Service difficulty report · Sensor · Boeing 777222

Difficulty date
June 1, 2013
Submitted
July 12, 2013
Operation
Air carrier
Aircraft
N211UA
Make and model
Boeing 777222
Aircraft serial
30217
Aircraft time
47,269 hours, 10,220 cycles
Engine
Pwa PW4077
Part
Sensor
Part number
S210W1101018
Condition
Failed
Location
Shutoff Valve
Stage of operation
NR
How discovered
9
Nature of condition
J
Precautionary procedure
O

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

What was found

CHRONIC BLEED PRSOV RT STATUS MESSAGE. CHRONIC BLEED PRSOV R STATUS MSG WITH VALVE & CONTROLLER REPLACED. VALVE IS FAILING. CLOSED WITH MSG 36-10380. ACP FIM TASK 36-11 TASK 805 STARTING AT ITEM C AND C.6 MUST BE ACP'ED USING METHOD 36-10-00 PG.514. BE CERTAIN NO LEAKAGE AT FITTINGS DISTURBED DURING MAINTENANCE. RPLC'D IP SENSOR PER AMM CONFIG 1 AS INSTRUCTED PER CH6103. PERFORMED MAT AND ENGINE RUN TEST AS REQUIRED. ALL CHECKED NORMAL.