# SDR AALA202602028455

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 1, 2026
- Submitted: February 2, 2026
- Operation: Air carrier
- Aircraft: [N965AN](https://openairdocs.org/aircraft/N965AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29544
- Aircraft time: 70,904 hours, 29,943 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Air Filter
- Condition: Contaminated
- Location: Zone 100
- Stage of operation: CR
- 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/AALA202602028455

## Discrepancy

AIRCRAFT WAS GROUNDED: DURING SERVICE AT ROWS 16 AND 17 THERE WAS A STRONG SMELL OF ELECTRICAL BURNING. REMOVED AND REPLACED LEFT (AALA202602021121) AND RIGHT (AALA202602028455) RECIRCULATION FANS HEPA FILTERS. PER JOB CARDS 08L00021001 AND 08C12221001.

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