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Aero Precision provides OEM part support for military aircraft operators across more than 20 aircraft


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Everything posted by Shola

  1. GTCP85-180L starts and run well. However, no bleed air from the APU. Load control valve replaced with new one but no change. In addition, APU doesn't shut down normally unless by the pull of fire handle. Any help please?
  2. New primary servo motor for elevators and ailerons installed. System undergoing test. Outcome would be made known.
  3. C130 autopilot engages but doesn't couple. Coupler/controller, amplifier and servo motor replaced but discrepancy persists. Anyone with any idea to solve this problem? Thanks.
  4. Ok, we will do that. However, will the venting pass through the normal vent or can leak as shown in the video?
  5. The fuel leak stopped during landing. The crew said the fuel blown off during landing was suspected to be from the residual fuel accumulation during the leak in flight.
  6. Thank you very much. We will follow your recommendations.
  7. Has anybody experienced fuel leak that occurs only in flight but not on ground. Our C130H recently leaked fuel from the No2 Main Tank, trailing edge of the wing. I attached a video showing the leak. VID-20190410-WA0008.mp4
  8. We jacked up the aircraft and flexed the left wing, simulating flight mode. Yet, we couldn't replicate the leak on ground. Gentlemen, any suggestions on how to locate the leaking point?
  9. Gentlemen, regarding the APU that quits after 8 to 20 minutes, a new centrifugal switch was installed and the APU has been operating properly now.
  10. Please replace the centrifugal switch with a new one and try running the APU again.
  11. C130 experts,..i have a problem on C130H...my aircraft got visible fuel leak on port aft wing...which is visible in flight above 6000 ft in flight....we have rectified plumbings in dry bay, flap area, drain system, yet fuel leak still persists in flight. The leak happens only in flight...we have replaced o rings at fuel pipeline at flap area..fuel leak still persist...any suggestion guys.. I have attached a video of the latest leak. VID-20190411-WA0033.mp4
  12. Our GTC85-180L stopped at 20 minutes with bleed air valve closed. What is the likely cause please?
  13. Correction please. Model is GTCP85-180L
  14. Thanks buddy. We will try this suggestion and let you know the outcome.
  15. Model of the APU is GTCP80-180L. Part Number of the APU is 381116-1-7. Thanks a lot.
  16. It is more than the required 2000 pounds minimum.
  17. Hello experts. We also have an APU that quits after running for about 8 minutes. Any idea what could be responsible for this discrepancy?
  18. We replaced both the aux start relay and the fuel holding relay. We also replaced the centrifugal speed switch (110% overspeed switch). We heard the ignite firing. We even saw the spark before installing it back into the combustion chamber. During one of the attempts, the APU rpm rose to 32% and got stagnated. The combustion chamber was also hot indicating some combustion. However, the APU couldn't self sustain its operations. We have replaced virtually every component from FCU to oil pump to atomizer. We are however not sure of the integrity of the ignite as we do not have a new one in store. We have placed order for new ignitors for further troubleshooting. Thank you all for your contribution. I think we all can learn one or two things from this experience after we might have succeeded. Meanwhile, kindly keep your suggestions coming.
  19. Thank you very much. We replaced the atomizer. We will replace the auxiliary start relay.
  20. Hello guys. GTCP85-180L does not fire. It does not go beyond 20% rpm and there is no combustion. We have replaced FCU, oil pressure switch, oil sequencing switch, centrifugal switch, igniter plug, exciter yet no combustion. It just rolls but never achieves combustion. Any help please.
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