# SDR ASAA2023092545302

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 25, 2023
- Submitted: September 26, 2023
- Operation: Air carrier
- Aircraft: [N956AK](https://openairdocs.org/aircraft/N956AK), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 43360
- Aircraft time: 2,726 hours, 761 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: IN
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023092545302

## Discrepancy

WHILE PERF TC # 31-005-00 FOUND #1 ENG FAMV LEFT SIGNAL OUT OF RANGE MX MSG 36-12030. GROUNDED - YES. PERF LRU TEST FOR MX MSG 36-12030 IAW B737-9 AMM 36-00-00-710-801, REQ TEST PASSED, LATCHED FAULT REMOVED.

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