Service difficulty report · Sensor · Boeing 777222

Difficulty date
February 8, 2012
Submitted
February 20, 2012
Operation
Air carrier
Aircraft
N214UA
Make and model
Boeing 777222
Aircraft serial
30220
Aircraft time
41,194 hours, 8,895 cycles
Engine
Pwa PW4077
Part
Sensor
Part number
11510722
Condition
Faulty
Location
Nr 2 Engine
Stage of operation
TX
How discovered
O
Nature of condition
N
Precautionary procedure
D

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

What was found

AFTER ENGINE START CREW HAD BLEED OFF ENG RT ADVISORY (EICAS) MSG. CYC BLEED BUT CAME BACK. SAMC TEXT: BLEED PRSOV-R STATUS MSG DISPLAYED. DEACTIVATED RT ENG PRSOV PER MEL 3611G. BOEING AHM DOWNLINKED MMSG 36-10470 'RIGHT IP SENSOR FAILED' WHICH CAN DRIVE THIS MSG. IP SENSOR (M36212) PCN 566-0600. PARTS: 566-0600 1151072-2 (SENSOR). REPLACED NR 2 ENG INTERMED PRESSURE SENSOR PER AMM, PASSED MAT TEST. RETURNED PRSOV VALVE TO NORMAL REF MEL 36040. RAN ENG PER JRH ALL OPS & IND NORMAL.