Service difficulty report · Bleed Valve · Boeing 767375

Difficulty date
July 24, 2017
Submitted
July 25, 2017
Operation
Air carrier
Aircraft
N1709A
Make and model
Boeing 767375
Aircraft serial
24086
Aircraft time
89,760 hours, 20,433 cycles
Engine
Ge CF680C2B6F
Part
Bleed Valve
Condition
Malfunctioned
Location
Lt Engine
Stage of operation
TX
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 ENGINE START, THE LT ENGINE BLEED OFF ADVISORY MESSAGE DISPLAYED. ASSOCIATED OFF LIGHT IN LT ENGINE BLEED SWITCH WAS NOT ILLUMINATED, AND LEFT ENG BLEED VALVE WAS VERIFIED TO BE OPEN. COMPLIED WITH FIM. ACCOMPLISHED A PRSOV TEST IAW AMM 36-11-09. OPS CHECKED GOOD.