# SDR ASAA2023062343711

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 23, 2023
- Submitted: June 27, 2023
- Operation: Air carrier
- Aircraft: [N963AK](https://openairdocs.org/aircraft/N963AK), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 44069
- Aircraft time: 690 hours, 214 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Modulating Valve
- Part number: 632920704
- Part serial: 3380
- Condition: Out Of Limits
- Location: #1 Engine
- Part time: 701 hours, 221 cycles
- 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/ASAA2023062343711

## Discrepancy

TECH SERVICES REQUEST FOR FOLLOW-UP TO SMT FAULT(LEFT FAMV FAULT 36-12030 RVDT SIGNAL IS OUT OF RANGE)----(#PRI2)----ETOPS SIGNIFICANT SYSTEM----. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE F.A.M.U. REF AMM 36-12-03.

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