What was found
AIRCRAFT WAS GROUNDED: SOF EVENT AT 5000 FEET. REMOVED AND REPLACED LEFT HAND ACM (AALA202601277565) AND RIGHT HAND ACM (AALA202601300720). PER 21-52-02. ALSO, REMOVED AND REPLACED AIR FILTERS (AALA202601307454).
- Difficulty date
- January 25, 2026
- Submitted
- January 30, 2026
- Operation
- Air carrier
- Aircraft
- N776AN
- Make and model
- Boeing 777223
- Aircraft serial
- 29582
- Aircraft time
- 103,429 hours, 12,985 cycles
- System (JASC)
- 2120 · Air Distribution System
- Part
- Air Filter
- Part number
- CD00944F2
- Condition
- Contaminated
- Location
- Zone 100
- Stage of operation
- DE
- How discovered
- O
- Nature of condition
- B
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.