# SDR ASAA2015122014360

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 20, 2015
- Submitted: December 22, 2015
- Operation: Air carrier
- Aircraft: [N487AS](https://openairdocs.org/aircraft/N487AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 44108
- Aircraft time: 508 hours, 157 cycles
- Engine: Cfmint CFM567B27E
- System (JASC): [7930 · Engine Oil Indicating System](https://openairdocs.org/jasc/7930)
- Part: Transmitter
- Part number: QA07656ISSP3
- Condition: Failed
- Location: Oil Clog
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2015122014360

## Discrepancy

NR 2 ENGINE OIL FILTER BYPASS INDICATION INOPERATIVE.  ACFT GROUNDED.  R & R NR 2 ENGINE SCAVENGE OIL FILTER CLOGGING TRANSMITTER REF AMM TASK 79-21-07-000-801-F00 AND 79-21-07-400-801-F00.  LEAK AND OPS CK OK REF AMM TASK 73-21-00-700-804-F00 AND 71-00--00-700-801-F00.

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