What was found
ATB - DUE TO NR 1 ENGINE BLEED FAULT AND AIR ABNORMAL BLEED CONFIG MSG. REPLACED NR 1 ENGINE PRV. (9507409) AIRCRAFT WAS GROUNDED.
- Difficulty date
- September 18, 2026
- Submitted
- September 18, 2026
- Operation
- Air carrier
- Aircraft
- N859NW
- Make and model
- Airbus A330223
- Aircraft serial
- 0722
- Aircraft time
- 84,160 hours, 10,583 cycles
- Engine
- Pwa PW4168A
- Engine time
- 39,639 hours, 8,772 cycles
- System (JASC)
- 7532 · Compressor Bleed Valve
- Part
- Bleed Valve
- Part number
- 6764B040000
- Part serial
- 676402357
- Condition
- Faulted
- Location
- Nr 1 Engine
- Part time
- 21,781 hours, 2,854 cycles
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.