Service difficulty report · Shutoff Valve · Boeing 757231

Difficulty date
December 14, 2008
Submitted
December 22, 2008
Operation
Air carrier
Aircraft
N723TW
Make and model
Boeing 757231
Aircraft serial
29378
Aircraft time
25,249 hours, 9,035 cycles
Engine
Pwa PW2037
Part
Shutoff Valve
Condition
Malfunctioned
Location
Bleed Air Sys
Stage of operation
TO
How discovered
O
Nature of condition
O
Precautionary procedure
D

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

What was found

36-11-01 RIGHT ENG BLEED INOP. FLT CREW PLAC PER MEL 36-11-01 MTC NOTIFIED 1530Z MTC COORD. FOUND PRSOV WOULD NOT FULLY CLOSE WHEN MANUALLY OPENED PER FIM. REPLACED SAME ENGINE, RUN CKS GOOD. MCO/PLACARD REMOVED.