# SDR CALA2016042500247

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 23, 2016
- Submitted: April 25, 2016
- Operation: Air carrier
- Aircraft: [N26909](https://openairdocs.org/aircraft/N26909), registered now
- Make and model: Boeing 787-8
- Registry model: [Boeing 787-8](https://openairdocs.org/model/boeing-787-8) (OpenAirDocs)
- Aircraft serial: 34827
- Aircraft time: 10,599 hours, 1,241 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Oil System
- Condition: Low
- Location: Apu
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2016042500247

## Discrepancy

AT FL 400 ATTEMPTED TO START APU 10 HRS INTO FLIGHT.  APU WOULD NOT START.  APU HANGS BETWEEN 30-50%, 3 ATTEMPTS ALL FAIL.  APU MX MSG NR 49-10291 NOT ACTIVE.  PERFORMED ASSOCIATED  FIM TASK VISUALLY INSPECTION APU, NO LEAKS NOTED.  SERVICED APU WITH 1QT OIL. APU STARTS & OPERATES NORMAL ON GND.

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