Service difficulty report · Switch · Airbus A300*

Difficulty date
May 13, 2022
Submitted
May 16, 2022
Operation
Air carrier
Aircraft
N537UW
Make and model
Airbus A300*
Aircraft serial
4041
Aircraft time
38,911 hours, 15,247 cycles
Part
Switch
Part number
E0062B1A4AD0A
Condition
Defective
Location
Zone 200 - Fuse
Stage of operation
CR
How discovered
V
Nature of condition
O
Precautionary procedure
O

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

What was found

AIRCRAFT WAS NOT GROUNDED: DURING CRUISE WITH EMERGENCY EXIT LIGHT SWITCH IN ARM POSITION, FLIGHT ATTENDANTS REPORTED EXIT SIGN LIGHTS ON. EMERGENCY LIGHT SWITCH ON FLIGHT ATTENDANT PANEL DID NOT TURN LIGHTS OFF. SELECTED EMERGENCY EXT LIGHT SWITCH OFF AND EXIT SIGNS EXTINGUISHED. MAINTENANCE REPLACED SWITCH 4WL (AALA202205160062) AND RELAY 8WL (AALA202205169091) PER TSM 33-51-00-810-819A AND 33-51-00-810-881A. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.