# SDR ASAA2014051607835

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 16, 2014
- Submitted: May 19, 2014
- Operation: Air carrier
- Aircraft: [N569AS](https://openairdocs.org/aircraft/N569AS), registered now
- Make and model: Boeing 737490
- Aircraft serial: 35184
- Aircraft time: 27,504 hours, 8,627 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Oil System
- Condition: Low
- Location: Apu
- Part time: 10,641 hours, 12,809 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2014051607835

## Discrepancy

BLUE MAINTENANCE LIGHT CAME ON DURING APU START.  APU DID START NORMALLY, GOOD VOLTS AND FREQUENCIES- STEADY BLUE APU BEN LIGHT.  ACFT GROUNDED.  ADDED 1.5 QTS TO APU.  FOUND FAULT CODE 49-91227 LOW OIL QTY OK FOR SERVICE IAW FIM 49-90 TASK 804 SEAM C.

---
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.