Service difficulty report · Shutoff Valve · Boeing 757232

Difficulty date
August 23, 2011
Submitted
August 24, 2011
Operation
Air carrier
Aircraft
N655DL
Make and model
Boeing 757232
Aircraft serial
24395
Aircraft time
74,389 hours, 31,107 cycles
Part
Shutoff Valve
Part number
32144887
Condition
Seized
Location
Rt Engine
Stage of operation
CR
How discovered
O
Nature of condition
S
Precautionary procedure
G

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

What was found

FLIGHT DIVERTED TO SJU DUE TO A LOSS OF PRESSURIZATION. CABIN O2 MASKS WERE DEPLOYED. MAINTENANCE REPLACED LEFT ENGINE FAN AIR TEMP SENSOR AND RIGHT ENGINE PRSOV. ENGINE RUN-UP RESULTED IN NORMAL TEMPERATURES AND PRESSURES.