What was found
NR 2 ENGINE 5TH STAGE CHECK VALVE IS WORN. REMOVED AND REPLACED #2 ENGINE 5TH STAGE CHECK IAW B737 AMM 36- 11-02. LEAK CHECK GOOD. (1737142) AIRCRAFT WAS GROUNDED.
- Difficulty date
- August 3, 2026
- Submitted
- August 5, 2026
- Operation
- Air carrier
- Aircraft
- N955DZ
- Make and model
- Boeing 7379GPER
- Aircraft serial
- 38743
- Aircraft time
- 30,168 hours, 17,316 cycles
- Engine
- Cfmint CFM567B27
- Engine time
- 32,410 hours, 15,767 cycles
- System (JASC)
- 7532 · Compressor Bleed Valve
- Part
- Check Valve
- Part number
- 32022221
- Part serial
- 16864
- Condition
- Worn
- Location
- Nr 2 Engine
- Part time
- 32,410 hours, 15,767 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.