Service difficulty report · Wire · Boeing 737890

Difficulty date
June 28, 2024
Submitted
July 3, 2024
Operation
Air carrier
Aircraft
N513AS
Make and model
Boeing 737890
Aircraft serial
35192
Aircraft time
55,769 hours, 16,946 cycles
Part
Wire
Part number
UNKNOWN
Condition
Disconnected
Location
Emergency Lights
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

WHILE PERFORMING TC #78233008 EMERGENCY LIGHTS OPS CHECK FOUND RH FWD OVERWING EXIT LIGHT INOP. SUSPECT BATTERY PACK/CHARGER IS FAULTY. GROUNDED - YES. REMOVED AND REPLACED THE RH MID CABIN POWER SUPPLY, OPS CK FAILED. REINSTALLED THE ORIGINAL BATTERY PACK PER AMM 33-51-06-960-806. RELAMPED ALL BULBS IN R/H FWD OVERWING EXIT SIGN PER AMM 33-51-01-960-801. NO HELP. REMOVED THE EMERGENCY EXIT LIGHT FIXTURE AND FOUND BOTH WIRES NOT CONNECTED. CONNECTED BOTH WIRES AND REINSTALLED PER 33-51-01-960-802. FWD R/H EMERGENCY EXIT SIGN OPS CK GOOD.