What was found
HIGH STAGE REGULATOR LEAK CHECK BAD. GROUNDED - YES. REMOVED AND REPLACED HIGH STAGE REGULATOR IAW B737-900 AMM 36-11-07. LEAK CHECK GOOD.
- Difficulty date
- November 21, 2022
- Submitted
- November 23, 2022
- Operation
- Air carrier
- Aircraft
- N442AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 43293
- Aircraft time
- 33,673 hours, 10,658 cycles
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Regulator
- Part number
- 1074847
- Part serial
- 11114
- Condition
- Leaking
- Location
- Nr 2 Eng
- Part time
- 43,430 hours, 17,440 cycles
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.