Service difficulty report · Oven · Boeing 777222

Difficulty date
October 5, 2025
Submitted
October 8, 2025
Operation
Air carrier
Aircraft
N788UA
Make and model
Boeing 777222
Aircraft serial
26942
Aircraft time
113,643 hours, 14,896 cycles
Part
Oven
Part number
4323510026622
Part serial
N17090915AD0164
Condition
Smoke
Location
Zone 900
Part time
18,922 hours, 2,258 cycles
Stage of operation
CR
How discovered
O
Nature of condition
B
Precautionary procedure
O

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

What was found

OVEN 707 STARTS SMOKING WHEN TURNED ON CONFIRMED FOOD RESIDUE PRESENT BEHIND HEAT SHIELD AND FAN AREA. CREW CONFIRM NO ACRID SMELL BUT SMELL OF BURNT FOOD. NO TIME TO REPLACE OVEN, MEL APPLIED. REMOVED AND REPLACED OVEN 707. OPS CHECK GOOD IAW AMM 25-32-02-400-814-006.