SDR ABXA20200803197

Service difficulty report · Bleed Valve · Boeing 767338

Difficulty date: October 16, 2020
Submitted: October 16, 2020
Operation: Air carrier
Aircraft: N372CM
Make and model: Boeing 767338
Aircraft serial: 25575
Aircraft time: 89,587 hours, 30,168 cycles
Engine: Ge CF680C2B6
System (JASC): 7532 · Compressor Bleed Valve
Part: Bleed Valve
Condition: Malfunctioned
Location: Lt Engine
Stage of operation: TX
How discovered: O
Nature of condition: J
Precautionary procedure: D

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

What was found

COULD NOT START LT ENGINE DUE TO RIGHT ENGINE BLEED VALVE CLOSED. AIRCRAFT RETURNED TO GATE. AIRCRAFT WAS GROUNDED WHILE MAINTENANCE INVESTIGATED PROBLEM. CYCLED APU BLEED VALVE AND ALSO ENGINE BLEED VALVE. PERFORMED ENGINE START, BOTH ENGINES OPERATIONS CHECK NORMAL. APU BLEED VALVE MUST REMAIN OFF, IAW AMM 36-00-00. CYCLED APU BLEED VALVE AND ALSO ENGINE BLEED VALVE. PERFORMED ENGINE START BOTH ENGINES OPERATIONS CHECK NORMAL. APU BLEED VALVE MUST REMAIN OFF, IAW AMM 36-00-00. AIRCRAFT RELEASED FOR FLIGHT.