# SDR ASAA2022012237237

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 22, 2022
- Submitted: January 26, 2022
- Operation: Air carrier
- Aircraft: [N291BT](https://openairdocs.org/aircraft/N291BT), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 44088
- Aircraft time: 1,843 hours, 548 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Valve
- Part number: 632920703
- Part serial: 2226
- Condition: Faulty
- Location: #2 Engine
- Part time: 1,843 hours, 548 cycles
- Stage of operation: LD
- 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/ASAA2022012237237

## Discrepancy

OVHD MAINT LIGHT ON LANDING ROLL. GROUNDED - YES. #2 ENGINE MAINT MESSAGE ON INBOUND FLIGHT DECK EFFECTS. TSR711529 EXISTS FOR 36-12021 MAINT MESSAGE. PER TSR, REMOVED AND REPLACED REPLACE FAN AIR MODULATING VALVE REF B737-9 AMM 36-12-03/401

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