# SDR ASAA2022102340410

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 23, 2022
- Submitted: October 24, 2022
- Operation: Air carrier
- Aircraft: [N978AK](https://openairdocs.org/aircraft/N978AK), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 43348
- Aircraft time: 1,020 hours, 305 cycles
- System (JASC): [2211 · Autopilot Computer](https://openairdocs.org/jasc/2211)
- Part: Trim System
- Part number: UNKNOWN
- Condition: Fault Message
- Location: Unknown
- Stage of operation: NR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022102340410

## Discrepancy

ON RECALL SPEED TRIM FAIL LIGHT ILLUMINATED LIGHT WENT OUT WHEN MASTER CAUTION WAS RESET. GROUNDED - YES. FOUND NO DFCS CURRENT STATUS RELATED FAULTS FOR CH A OR B. PERFORMED " SPEED STAB TRIM " TEST # 60.32. CH A AND B- NO FAULTS ALL TEST PASS. REF B737-9 IFIM 22-11-00-810-D71. NO FAULT LIGHT AFTER TESTS.

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