# SDR ASAA2016092718140

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 27, 2016
- Submitted: September 29, 2016
- Operation: Air carrier
- Aircraft: [N468AS](https://openairdocs.org/aircraft/N468AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41735
- Aircraft time: 8,966 hours, 2,946 cycles
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: Warning Light
- Condition: False Activation
- Location: Apu
- Stage of operation: NR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2016092718140

## Discrepancy

APU FAILED TO START ON 1ST ATTEMPT. LOW OIL PRESSURE LIGHT NEVER WENT OUT, STARTED ON SECOND TRY.  ACFT GROUNDED. PERFORMED BITE TEST OF APU, NO FAULT NOTED, ALSO RUN APU, OPERATIONAL WAS NORMAL.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.