# SDR AALA202308115029

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 8, 2023
- Submitted: August 11, 2023
- Operation: Air carrier
- Aircraft: [N783AN](https://openairdocs.org/aircraft/N783AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30004
- Aircraft time: 91,088 hours, 11,272 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Acm
- Part number: 81020911
- Condition: Seized
- Location: Zone 100 - Fuse
- Stage of operation: AP
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202308115029

## Discrepancy

AIRCRAFT WAS GROUNDED: FLIGHT ATTENDANT REPORTED BURNING SMELL IN AFT CABIN DURING FINAL APPROACH. MAINTENANCE FOUND THE RIGHT AIR CYCLE MACHINE (ACM) SEIZED AND REPLACED IT PER AMM 21-52-02. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.

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