Service difficulty report · Sign · Airbus A320232

Difficulty date
January 8, 2026
Submitted
January 9, 2026
Operation
Air carrier
Aircraft
N442UA
Make and model
Airbus A320232
Aircraft serial
780
Aircraft time
80,900 hours, 34,129 cycles
Part
Sign
Part number
1013101
Condition
Inoperative
Location
Zone 200
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

MULTIPLE EMERGENCY EXIT SIGNS AT 1L AND 1R, 2L AND 2R INOP. FOUND DOOR 2L OVERHEAD INOP, ALL OTHER EMERGENCY LIGHTS WORK NORMAL. REPLACED EXIT SIGN 45WL AT DOOR 2L, NO HELP. NOTICED, WHEN EMERGENCY LIGHTS SWITCH IS SELECTED TO ON POSITION, ALL EMERGENCY LIGHTS ILLUMINATE. WHEN EMERGENCY SWICH IS SELECTED TO ARM OR OFF POSITION AND NO SMOKING SWITCH IS SELECTED TO AUTO POSITION, ALL EXIT SIGNS EXCEPT AT DOOR 2L ADD EMP:U104327 ILLUMINATES. SLAVED A NEW EMERGENCY POWER SUPPLY AND A BATTERY AT DOOR 2L LOCATION (13WL). NO HELP. RETURNED TO ORIGINAL. SLAVED A NEW DEU-B AT 300RH-5 POSITION (DOOR 2L). NO HELP. RETURNED TO ORIGINAL. CHECKED PINS A, B, AND -D TO GROUND AT CONNECTOR 13WL (EMERGENCY POWER SUPPLY AT 2L) WHEN EMERGENCY LIGHTS SWITCH IS AT DIFFERENT POSITIONS. WHEN SELECTED TO OFF, PIN -D READS 108.4 OHMS, PINS A AND B READ OPEN. WHEN SELECTED TO ARM, PIN B READS 108.4 OHMS, ADD EMP:U104327 PINS A AND -D READ OPEN. WHEN SELECTED TO ON, PIN A READS 113.0 OHMS, PINS B AND -D READ OPEN. REF WDM 33-51-03 AND 33-51-01. FOUND CONNECTOR 7245VC PINS C AND E MISWIRED. CORRECTED WIRING REF AWM 33-51-03 PAGE 8 AND 33-51-03 PAGE 8. OPS TEST GOOD

More about the Airbus A320-232