# SDR ASAA2014110909628

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 9, 2014
- Submitted: November 12, 2014
- Operation: Air carrier
- Aircraft: [N588AS](https://openairdocs.org/aircraft/N588AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35685
- Aircraft time: 26,838 hours, 8,219 cycles
- System (JASC): [7920 · Engine Oil Distribution (Airframe Furnished)](https://openairdocs.org/jasc/7920)
- Part: Transmitter
- Part number: QA07656ISS1
- Condition: Failed
- Location: Nr 2 Engine Oil
- Stage of operation: TX
- How discovered: O
- Nature of condition: N
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2014110909628

## Discrepancy

AFTER ENGINE START RT ENGINE "OIL FILTER BYPASS" LIGHT ILLUMINATED. WE SHUTDOWN AND RETURNED TO GATE.  ACFT GROUNDED.  REPLACED FILTER IAW 79-21-06 AMM, SCAVENGE FILTER RT ENGINE AND REPLACED FILTER TRANSMITTER RT ENGINE IAW 79-21-07 AMM. FILTER EXTINGUISHED LIGHT & LEAK CKD GOOD.  FAULT 79-31122 OIL FILTER SIGNALS DISAGREE FAULT REMOVED AFTER EEC BITE CK GROUND TEST + ENG RUN NR 2 RT ENG.

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