What was found
FLT # 34 CDG -BOS (ETOPS) " PACK 2 REG FAULT P2 BYPASS VALVE (TURBINE BYPASS VALVES)." (SUPPLEMENTAL INFORMATION TO FOLLOW).
- Difficulty date
- December 20, 2025
- Submitted
- December 23, 2025
- Operation
- Air carrier
- Aircraft
- N4064J
- Make and model
- Airbus A321271NX
- Aircraft serial
- 10861
- Aircraft time
- 13,068 hours, 1,962 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Bypass Valve
- Condition
- Faulted
- Location
- Zone 100
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.