Service difficulty report · Control Valve · Boeing 767324

Difficulty date
July 24, 2019
Submitted
July 26, 2019
Operation
Air carrier
Aircraft
N739DH
Make and model
Boeing 767324
Aircraft serial
27392
Aircraft time
88,608 hours, 16,764 cycles
Part
Control Valve
Condition
Malfunctioned
Location
Apu
Stage of operation
CR
How discovered
O
Nature of condition
O
Precautionary procedure
B

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

What was found

AT 1800 FT ON FINAL APPROACH INTO CVG, WHEN SELECTING FLAPS 30, THE LEFT AL BUS FAILED. REMOVED AND REPLACED APU SURGE CONTROL VALVE IAW AMM 49-53-01 ALL CHECKS GOOD.