# SDR DALA2022081705593

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 16, 2022
- Submitted: August 17, 2022
- Operation: Air carrier
- Aircraft: [N377DA](https://openairdocs.org/aircraft/N377DA), registered now
- Make and model: Boeing 737832
- Aircraft serial: 29625
- Aircraft time: 71,206 hours, 28,461 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: None
- Condition: None
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2022081705593

## Discrepancy

(LOG 9271896) ON SVC FOUND BURNING SMELL IN FLT DECK WITH APU BLEED ON. FOUND DEBRI IN PLENUM. R/R RECIRC FAN FILTERS IAW B737 AMM 21-25. RAN ENGINES WITH PACKS AND NO ODOR WAS DETECTED. AIR CONDITIONING OPS CHECK GOOD IAW B737 AMM 21-00.

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