# SDR AALA201809039001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 31, 2018
- Submitted: September 4, 2018
- Operation: Air carrier
- Aircraft: [N992AN](https://openairdocs.org/aircraft/N992AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31071
- Aircraft time: 28,851 hours, 11,536 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Part number: 6454052
- Part serial: 7857
- Condition: Odor
- Location: Zone 100
- Stage of operation: NR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201809039001

## Discrepancy

IAD FLT 2625 EN-ROUTE MIA - IAD.  THE AIRCRAFT WAS GROUNDED.  F/A REPORTED SMELL OF PROPANE IN AFT PART OF CABIN, TURNED OFF RT RECIRC FAN, FA REPORTED SMELL DISSIPATED IMMEDIATELY.  MAINTENANCE REMOVED AND REPLACED RT /LT RECIRC FAN FILTERS PER AMM 21-25-01 AND RT RECIRC FAN PER AMM 21-25-02 OPS CK GOOD.

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