# SDR ASAA2019030728514

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 7, 2019
- Submitted: March 8, 2019
- Operation: Air carrier
- Aircraft: [N516AS](https://openairdocs.org/aircraft/N516AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 39044
- Aircraft time: 38,826 hours, 11,739 cycles
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Apu
- Part number: 38007021
- Part serial: P7073
- Condition: Contaminated
- Location: Apu Bay
- Part time: 13,764 hours, 23,926 cycles
- Stage of operation: IN
- How discovered: O
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2019030728514

## Discrepancy

REPORT OF DIRTY SOCK SMELL IN CABIN. GROUNDED - YES. ACCOMPLISHED CABIN ODOR TROUBLESHOOTING & FOUND OIL CONTAMINATION IN APU LOAD COMPRESSOR CASE REF FIM 05-51 TASK 814. REMOVED AND REPLACED APU REF AMM 49-11-00/401. ACCOMPLISHED APU INSTALLATION TEST REF AMM 49-11-00-400-803 NO SMELLS NOTED.

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