# SDR ASAA2020102733420

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 27, 2020
- Submitted: October 28, 2020
- Operation: Air carrier
- Aircraft: [N408AS](https://openairdocs.org/aircraft/N408AS), registered now
- Make and model: Boeing 737-900ER
- Registry model: [Boeing 737-900ER](https://openairdocs.org/model/boeing-737-900er) (OpenAirDocs)
- Aircraft serial: 41732
- Aircraft time: 29,234 hours, 9,389 cycles
- Engine: Cfmint CFM567B27E
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Filter
- Part number: QA06422
- Condition: Contaminated
- Location: Scavange Pump
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2020102733420

## Discrepancy

WHILE PERFORMING TC 78472040 NR 2 ENGINE AGB/TGB CHIP DETECTOR CONTAMINATED WITH DEBRIS.  GROUNDED-YES.  INSPECTED DEBRIS, PER B737-900 AMM TASK 79-00-00-200-804-F00.  DEBRIS DETERMINED TO BE WITHIN ACCEPTABLE LIMITS.  NO STARTER MAGNETIC PLUG CONTAMINATION.  REPLACED SCAVENGE OIL FILTER ELEMENT, PER AMM 79-21-06.

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