Service difficulty report · Check Valve · Boeing 767332

Difficulty date
June 8, 2026
Submitted
June 13, 2026
Operation
Air carrier
Aircraft
N180DN
Make and model
Boeing 767332
Aircraft serial
25985
Aircraft time
145,807 hours, 21,960 cycles
Part
Check Valve
Condition
Faulted
Location
Recirc Fan
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

DURING PUSH GALLEYS LOST POWER UPON RESET OF UTIITY BUSES A BRIEF ELECTRICAL ODOR WAS NOTED IN THE COCKIT AND FWD GALLEY. R & R LT RECIRC FAN CHK VALVE IAW AMM 21-25 OPS CHKD NORMAL (8859032) (AIRCRAFT GROUNDED)