SDR DALA2018050803147

Service difficulty report · Power Supply · Boeing 777232

Difficulty date: May 7, 2018
Submitted: May 17, 2018
Operation: Air carrier
Aircraft: N864DA
Make and model: Boeing 777232
Aircraft serial: 29736
Aircraft time: 79,488 hours, 9,540 cycles
System (JASC): 3350 · Emergency Lighting
Part: Power Supply
Condition: Faulty
Location: Cabin
Stage of operation: IN
How discovered: C
Nature of condition: L
Precautionary procedure: K

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

What was found

EMERGENCY LIGHT BULBS OUT 3C, ROW 10 THRU 12 EMERGENCY LIGHTS OUT. TROUBLESHOOTING PERFORMED IAW FIM 33-51-00-810-803, FOUND POWER SUPPLY M33098 FAULTY. R&R POWER SUPPLY IAW AMM 33-51-06-960-803, R&R BATTERY PACK IAW AMM 33-51-06-960-802. FOUND POWER SUPPLY FROM DL STOCK BFS. FOUND FUSE INOP, NEW FUSE INSTALLED. BATTERY PACK LOAN PART FROM AF. BATTERY PACK CHANGED POS 33097 PRECAUTIONARY. NEW FUSE INSTALLED ON POS. 33097. TEST SATISFACTORY. A/C OK FOR SERVICE.