# SDR ASAA12511386

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 11, 2012
- Submitted: April 13, 2012
- Operation: Air carrier
- Aircraft: [N579AS](https://openairdocs.org/aircraft/N579AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35187
- Aircraft time: 19,577 hours, 5,897 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Oil System
- Condition: Leaking
- Location: Apu
- Component: Apu
- Component part number: 38007021
- Stage of operation: IN
- How discovered: 9
- Nature of condition: K, B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA12511386

## Discrepancy

AIRCRAFT HAS A HISTORY OF DIRTY SOCK ODOR.  FOUND OIL ON DRAIN LINE FITTING & DRAIN CAVITY ON APU LOAD COMPRESSOR.  REPLACED APU PER T/C 78349010.  ACCOMPLISHED APU PNEUMATIC DUCT SYSTEM BURN OUT IN REF TO AMM 21-00- 01-100-801, NO ODOR NOTED AT THIS TIME.

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