# SDR ASAA2018070825305

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 8, 2018
- Submitted: July 9, 2018
- Operation: Air carrier
- Aircraft: [N569AS](https://openairdocs.org/aircraft/N569AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35184
- Aircraft time: 43,309 hours, 13,259 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Lubrication Unit
- Part number: 41310203
- Part serial: 4441
- Condition: Defective
- Location: Apu
- Part time: 11,367 hours, 16,403 cycles
- Stage of operation: IN
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2018070825305

## Discrepancy

POP IT EXTENDED ON APU LUBE MODULE. TECH SERVICES REQUESTS REMOVE AND REPLACE. GROUNDED - YES. REMOVED AND REPLACED LUBE MODULE. NO LEAKS FOUND. OP CHECK GOOD. APU BITE TEST GOOD REF AMM 49-91-11.

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