What was found
#2 ENG. PRECOOLER CONTROL VALVE INOP. GROUNDED - YES. REPLACED #2 ENG. PRECOOLER CONTROL VALVE. LEAK/OPS CHECK OK. REF. B737-900 AMM 36-12-02-400-801.
- Difficulty date
- January 4, 2023
- Submitted
- January 5, 2023
- Operation
- Air carrier
- Aircraft
- N461AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36363
- Aircraft time
- 32,903 hours, 10,299 cycles
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Control Valve
- Part number
- 632921461
- Part serial
- 7656
- Condition
- Inoperative
- Location
- #2 Engine
- Part time
- 11,569 hours, 3,389 cycles
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.