Service difficulty report · Sensor · Boeing 767322

Difficulty date
May 22, 2010
Submitted
May 26, 2010
Operation
Air carrier
Aircraft
N656UA
Make and model
Boeing 767322
Aircraft serial
25394
Aircraft time
73,598 hours, 11,906 cycles
Engine
Pwa PW4060
Part
Sensor
Part number
7732847
Part serial
9908055
Condition
Faulty
Location
Bleed Air Sys
Stage of operation
CL
How discovered
O
Nature of condition
N
Precautionary procedure
O

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

What was found

RH ENG BLEED OVERHEAT MSG. RESET BLEED SWITCH. NO FURTHER INDICATION. REPEAT GRIPE. SECURED RT ENG HIGH PRESS SHUTOFF VALUE PER MEL ITEM 3611R. BITE CHECKED BLEED COMPUTER FOUND RIGHT ENG FAV AND FAS FAULTING ON PREVIOUS FLT. FAS SENSOR PCN 481-9007. ALSO SCREWS STRIPPED ON ACCESS DOOR. APPLIED MEL 3612D DISCONNECTED TEMP CONT PRESS LINE FROM FAN AIR VALVE AND CAPPED THE PRESS LINE AND LOCKED TO FULL OPEN POSITION. REPLACED RT ENG FAN AIR TEMP SENSOR. REACTAVATED FAN AIR VALVE PRESS SENSE LINE PER MEL3621D.