What was found
FOUND OP1 5TH STAGE VALVE TO BE UNSERVICEABLE. REMOVED AND REPLACED L/H #1 ENG.T/R 5TH STAGE VALVE I.A.W. AMM 36-11-02 THIS ENTRY IS FOR FAILURE OF 5TH STAGE CHECK VALVE.
- Difficulty date
- July 7, 2025
- Submitted
- July 8, 2025
- Operation
- Air carrier
- Aircraft
- N78540
- Make and model
- Boeing 737824
- Aircraft serial
- 63646
- Aircraft time
- 25,027 hours, 9,193 cycles
- Engine
- Cfmint CFM567B26E
- System (JASC)
- 7532 · Compressor Bleed Valve
- Part
- Check Valve
- Part number
- 32022221
- Part serial
- 19712
- Condition
- Failed
- Location
- Nr 1 Engine
- Part time
- 24,900 hours, 9,134 cycles
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.