# SDR AWXA9900352

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 11, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N509DC](https://openairdocs.org/aircraft/N509DC), registered now
- Make and model: Boeing 737-33A
- Registry model: [Boeing 737-33A](https://openairdocs.org/model/boeing-737-33a) (OpenAirDocs)
- Aircraft serial: 23636
- System (JASC): [4950 · APU Bleed Air System](https://openairdocs.org/jasc/4950)
- Part: Apu
- Part number: 38042861
- Condition: Malfunctioned
- Location: Apu Comp
- Part time: 61,695 hours
- Stage of operation: UK
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AWXA9900352

## Discrepancy

FAINT BURNING SMELL IN COCKPIT.  T/S AIR CONDITIONING SYSTEM, DETERMINED TO BE APU BLEED.  PLACED ON MEL 49-01, CNTL NR 121373.

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