SDR AALA2019102319048

Service difficulty report · Switch · Boeing 757223

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
Part: Switch
Condition: Unreliable
Location: Lt Engine
Stage of operation: TX
How discovered: O
Nature of condition: O
Precautionary procedure: O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

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.