# SDR AALA202602020992

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 30, 2026
- Submitted: February 2, 2026
- Operation: Air carrier
- Aircraft: [N776AN](https://openairdocs.org/aircraft/N776AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 29582
- Aircraft time: 103,439 hours, 12,986 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Acm
- Part number: 8102092
- Condition: Seized
- Location: Left
- Stage of operation: AP
- How discovered: O
- Nature of condition: B, G
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202602020992

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: ON APPROACH AT AROUND 10,000 FT NOTED SMOKE ODOR AND HAZE IN COCKPIT FLIGHT ATTENDANT NOTED AS WELL. ACCOMPLISHED J/C 72L00021001 FOUND LEFT HAND ACM SEIZED. REMOVED AND REPLACED LEFT HAND ACM-AIR CYCLE MACHINE (AALA202602024265) AND LEFT HAND LOW LIMIT VALVE (AALA202602024117). PER AMM 21-52-02 21-52-30. OPS CHECK NORMAL.

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