Service difficulty report · Sensor · Boeing 757232

Difficulty date
May 24, 2017
Submitted
May 26, 2017
Operation
Air carrier
Aircraft
N693DL
Make and model
Boeing 757232
Aircraft serial
29725
Aircraft time
62,794 hours, 24,107 cycles
Engine
Pwa PW2037
Engine time
71,522 hours, 24,269 cycles
Part
Sensor
Condition
Malfunctioned
Location
Bleed Air
Stage of operation
NR
How discovered
O
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

AFTER SELECTING ENGINE ANTI-ICE, LEFT ENGINE BLEED OFF EICAS MESSAGE. WITH OFF LIGHT, FOLLOWED QRH AND IT REOCCURRED WITH FUMES THROUGHOUT CABIN. TURNED ENGINE ANTI-ICE OFF AND RESET WORKED. R & R 450 DEG TEMP SENSOR, AND THE FAN AIR TEMP SENSOR, ALSO THE FAN AIR MODULATION VALVE. THE HP VALVE CONTROLLER AND THE HP VALVE ALL IAW AMM 36-11, RAN ENG WITH PACKS AND ANTI-ICE ON. NO BLEED TRIP OR ODOR, NO CURRENT FAULTS OR MESSAGES. OK FOR SERVICE.