# SDR AALA202607145283

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 10, 2026
- Submitted: July 14, 2026
- Operation: Air carrier
- Aircraft: [N137AA](https://openairdocs.org/aircraft/N137AA), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6647
- Aircraft time: 33,364 hours, 13,205 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Lgciu
- Part number: 801780388013
- Condition: Faulted
- Location: Zone 100
- 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/AALA202607145283

## Discrepancy

AIRCRAFT WAS GROUNDED: DURING THE DESCEND THE FIRST OFFICER SENSED SMELL OF SOMETHING BURNING. MAINTENANCE ACCOMPLISHED JOB CARD 26L00021001 WITH NO FINDINGS. MAINTENANCE SUSPECTED THAT THE SOURCE OF THE BURNING ODOR WAS ASSOCIATED WITH THE #1 LGCIU ECAM FAULT / FAILURE. MAINTENANCE REPLACED THE #1 LGCIU PER AMM 32-31-71 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK WITH NO ISSUES OR ODORS NOTED.

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