# SDR AALA202603100296

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 7, 2026
- Submitted: March 10, 2026
- Operation: Air carrier
- Aircraft: [N936AN](https://openairdocs.org/aircraft/N936AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29532
- Aircraft time: 69,680 hours, 29,511 cycles
- System (JASC): [5100 · Standard Practices/Structures](https://openairdocs.org/jasc/5100)
- Part: Insulation
- Condition: Contaminated
- Location: Zone 100
- Stage of operation: NR
- How discovered: O
- Nature of condition: C, B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202603100296

## Discrepancy

AIRCRAFT WAS GROUNDED: VOMIT SMELL COMING FROM AIRCRAFT AIR CONDITIONING SYSTEM. WHILE ACCOMPLISHING TROUBLE SHOOTING OF SOF EVENT FOUND RECIRCULATION FAN FILTERS TO BE DIRTY AND FOUND RECIRCULATION FAN INSULATION BLANKETS COVERED IN UNKNOWN LIQUID. REMOVED AND REPLACED RECIRCULATION AIR FILTERS (AALA202603109798), PER AMM 21-35-01. ALSO, RMOVED AND REPLACED INSULATION BLANKET (AALA202603100296) ON FORWARD CARGO AFT BULKHEAD, PER AARD 25-80-00-3. OPS CHECK FOR LEAK ON FORWARD GALLEY AND NO LEAK FOUND.

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