Service difficulty report · Bleed Valve · Boeing 7378

Difficulty date
August 20, 2026
Submitted
August 25, 2026
Operation
Air carrier
Aircraft
N8773Q
Make and model
Boeing 7378
Aircraft serial
67514
Aircraft time
12,962 hours, 6,366 cycles
Part
Bleed Valve
Condition
Odor
Location
Apu
Stage of operation
TX
How discovered
O
Nature of condition
B, J
Precautionary procedure
O

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

What was found

WITH APU BLEED ON, FOUL ODOR PRESENT AND ERRATIC DUCT PRESSURE WITH APU BLEED ON. R & R APU BLEED AIR VALVE IAW AMM 49-52-11 EV E060454. OPS CHKD GOOD.

More about the Boeing 737-8