# SDR AALA202608196762

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 18, 2026
- Submitted: August 19, 2026
- Operation: Air carrier
- Aircraft: [N865NN](https://openairdocs.org/aircraft/N865NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29554
- Aircraft time: 46,495 hours, 19,906 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Filter
- Condition: Contaminated
- Location: Zone 100
- Stage of operation: CL
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202608196762

## Discrepancy

AIRCRAFT WAS GROUNDED: AIRCRAFT RETURN TO PHX DUE TO ODOR SMELL. NO EMERGENCY DECLARED AND AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE C/W J/C 08L00021001 AND R&R'ED HEPA FILTERS PER MOC AND TSI.

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