# SDR AALA202601277565

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 25, 2026
- Submitted: January 27, 2026
- Operation: Air carrier
- Aircraft: [N776AN](https://openairdocs.org/aircraft/N776AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 29582
- Aircraft time: 103,429 hours, 12,985 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Acm
- Part number: 8102102
- Part serial: 9903220
- Condition: Odor
- Location: Zone 100
- Part time: 10,839 hours, 1,528 cycles
- Stage of operation: DE
- How discovered: O
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202601277565

## Discrepancy

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).

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