Service difficulty report · Oven · Boeing 777222

Difficulty date
June 20, 2025
Submitted
June 23, 2025
Operation
Air carrier
Aircraft
N787UA
Make and model
Boeing 777222
Aircraft serial
26939
Aircraft time
110,743 hours, 14,790 cycles
Part
Oven
Condition
Dirty
Location
Zone 900
Stage of operation
CR
How discovered
O
Nature of condition
C, B
Precautionary procedure
O

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

What was found

GALLEY OVENS 705 AND 706 BREAKERS WERE PULLED BY FA DUE TO SUSPECTED SMOKE FROM BEGIND THEM. PER CONDITIONAL INSPECTION 05-51-58, SOURCE WAS ISOLATED TO BEHIND OVENS 705 AND 706. REMOVED OVENS 705 AND 706 IN REFERENCE TO AMM 25-32-02 AND INSPECTED BEHIND THEM FOR EVIDENCE OF SMOKE OR BURNING. NO EVIDENCE FOUND, ONLY FOUND OVEN 705 A LITTLE DIRTY, SO IT WAS CLEANED AND REINSTALLED. RESET CIRCUIT BREAKERS FOR OVENS 705 AND 706 PER AMM 20-60-01. RAN OPERATIONAL CHECK OF BOTH OVENS IN REFERENCE TO AMM 25-32-02. OPS CHECK GOOD AT THIS TIME. "SMOKE" ORIGIN WAS BURNT FOOD AND LIKELY EXCASERBATED BY STEAM. NO SMOKE CAME FROM FAILURE OF COMPONENTS.