# SDR AALA201806079027

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 5, 2018
- Submitted: June 7, 2018
- Operation: Air carrier
- Aircraft: [N916AN](https://openairdocs.org/aircraft/N916AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29517
- Aircraft time: 56,383 hours, 22,761 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: O-Ring
- Condition: Leaking
- Location: Oil Cooler Line
- Stage of operation: CR
- How discovered: V
- Nature of condition: K, B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201806079027

## Discrepancy

AIR CON SYSTEM HAD LOW AIR FLOW ON THE GROUND AND IN FLIGHT.   DURING CRUISE, THERE WAS A STRONG  MOLDY SOCK ODOR FOR THE DURATION OF THE FLIGHT.  FOUND A LEAK ON THE OIL COOLER LINES.  REPLACED OIL COOLER LINE O-RINGS IAW AMM 49-91-41.

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