# SDR AALA202309137384

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 10, 2023
- Submitted: September 13, 2023
- Operation: Air carrier
- Aircraft: [N321TG](https://openairdocs.org/aircraft/N321TG), registered now
- Make and model: Boeing 737823
- Aircraft serial: 68101
- Aircraft time: 190 hours, 81 cycles
- System (JASC): [7532 · Compressor Bleed Valve](https://openairdocs.org/jasc/7532)
- Part: Shutoff Valve
- Part number: 632160643
- Part serial: 3553
- Condition: Faulted
- Location: Engine
- Part time: 190 hours, 81 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202309137384

## Discrepancy

AIRCRAFT WAS GROUNDED: AFTER BOTH ENGINE STARTED LEFT BLEED LIGHT ILLUMINATED ACCOMPANIED BY STRONG ODOR.REMOVED AND REPLACED PRESSURE REGULATING AND SHUT OFF VALVE (PRSOV) ON ENGINE NUMBER 1 PER AMM 36-11-04.

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