SDR UIEA2022041700309

Service difficulty report · None · Boeing 747

Difficulty date: April 17, 2022
Submitted: April 20, 2022
Operation: Air carrier
Aircraft: N445MC
Make and model: Boeing 747
Aircraft serial: 33515
Aircraft time: 79,681 hours, 13,450 cycles
System (JASC): 3000 · Ice/Rain Protection System
Part: None
Condition: None
Stage of operation: DE
How discovered: O
Nature of condition: B
Precautionary procedure: K

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

What was found

ON DESCENT, LOUD ELECTRICAL BUZZ BEHIND CAPTAIN LEFT SIDE FOLLOWED BY STRONG ELECTRICAL SMELL. POWER 2L WINDOW HEAT CIRCUIT BREAKER POPPED.(REMOVED #2L WINDOW LINING. NO BURNING WIRES FOUND. FOUND MAINTENANCE MESSAGE 30120. FOLLOWED FIM 30-41 T818. RESET CB ON GROUND. ALL NORMAL AGAIN. PER FIM, OVERHEAT CAN BE POSSIBLE WITH INSTALLED. P/N 10-1468. ALSO PERFORMED SMOKE, FUME, ELECTRICAL INSPECTION PER AMM 05-51-56. NO FINDINGS. / )