What was found
DUCT PRESSURE INDICATES 60-L 35-R ON CLIMB AT 340 CRUISE 43-L 35-R. GROUNDED - YES. REMOVED & REPLACED #2 ENG BLEED AIR REGULATOR (PRSOV) PER B737-900 AMM 36-11-03-400-801 OPS & LEAK CHECK GOOD. OK FOR SERVICE.
- Difficulty date
- April 13, 2022
- Submitted
- April 26, 2022
- Operation
- Air carrier
- Aircraft
- N428AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36353
- Aircraft time
- 22,393 hours, 7,067 cycles
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Unknown
- Part number
- 32145526
- Part serial
- 400C
- Condition
- Degraded
- Location
- #2 Engine
- Part time
- 55,027 hours, 20,258 cycles
- Stage of operation
- CL
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.