What was found
DURING HEALTH CHECK, FOUND DISCREPANCY WITH L ENG HS PILOT VALVE PER AMM 36-00-22. REPLACED L ENG HS PILOT VALVE PER AMM 36-11-19. OPS AND LEAK CHK GOOD.
- Difficulty date
- September 9, 2021
- Submitted
- October 1, 2021
- Operation
- Air carrier
- Aircraft
- N757QM
- Make and model
- Boeing 75729J
- Aircraft serial
- 27203
- Aircraft time
- 62,890 hours, 33,359 cycles
- System (JASC)
- 3600 · Pneumatic System
- Part
- Valve
- Part number
- 33990047
- Part serial
- 752C
- Condition
- Faulty
- Location
- L Eng
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- S
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.