# SDR ASAA2022080639401

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 6, 2022
- Submitted: August 8, 2022
- Operation: Air carrier
- Aircraft: [N926AK](https://openairdocs.org/aircraft/N926AK), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 43314
- Aircraft time: 1,944 hours, 576 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Modulating Valve
- Part number: 632920703
- Part serial: 1553
- Condition: Warning Light
- Location: #1 Engine
- Part time: 1,944 hours, 576 cycles
- Stage of operation: TX
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022080639401

## Discrepancy

'MAINT' AMBER LIGHT ON OVERHEAD PANEL ILLUMINATED AFTER LANDING. GROUNDED - YES. REMOVED AND REPLACED FAN AIR MODULATING VALVE (L/H) REF. B737-9 AMM 36-12-03/401.

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