# SDR AALA2019102319048

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 20, 2019
- Submitted: October 23, 2019
- Operation: Air carrier
- Aircraft: N195AN
- Make and model: Boeing 757223
- Aircraft serial: 32389
- Aircraft time: 54,912 hours, 16,840 cycles
- Engine: Rroyce RB211535E4B3
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Switch
- Condition: Unreliable
- Location: Lt Engine
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA2019102319048

## Discrepancy

AIRCRAFT WAS GROUNDED: PILOT REPORTS UPON GATE ARRIVAL, LEFT ENG FUEL CTRL SWITCH DID NOT SHUT DOWN ENGINE. CYCLED TWICE. ENGINE SHUTDOWN WITH T-HANDLE. MAINTENACNE ACCOMPLISHED SYS OPS CHECK IAW AMM 71-00-00, FOUND L/H ENGINE HOUSING ASSEMBLY PRESSURE VALVE SWITCH NEEDS TO BE REPLACED. REMOVED AND REPLACED L/H ENGINE HOUSING ASSEMBLY PRESS VALVE SWITCH IAW AMM 73-21-21-15-40, L/H ENGINE OPS CHECK NORMAL AND SHUT DOWN NORMAL, OK FOR SVC.

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