SDR CALA2015042093620

Service difficulty report · Wire · Boeing 747422

Difficulty date: April 17, 2015
Submitted: April 20, 2015
Operation: Air carrier
Aircraft: N199UA
Make and model: Boeing 747422
Aircraft serial: 28717
Aircraft time: 70,838 hours, 8,112 cycles
Engine: Pwa PW4056
System (JASC): 3397 · Light System Wiring
Part: Wire
Condition: Misinstalled
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

RIGHT FUSELAGE NR 3 & 4 EMER LIGHT FOUND INOPERATIVE. WIRING CHECK CARRIED OUT & FOUND NR 4 EMER LIGHT POWER TERMINAL & GND TERMINAL CROSS INSTALLED, TERMINAL REINSTALLED, WIRING RE-CHECKED & FOUND NORMAL. BATTERY CHARGER FUSE REPLACED, LIGHT LAMP REPLACED, EMER LIGHT TEST CARRIED OUT & FOUND NORMAL IAW AMM 33-51-04 REV 173, AMM 33-51-03 REV 173, AMM 33-51-00 & WDM 33-51-41 REV 124.