Service difficulty report · Relay · Boeing 737824

Difficulty date
July 24, 2025
Submitted
July 28, 2025
Operation
Air carrier
Aircraft
N27246
Make and model
Boeing 737824
Aircraft serial
28956
Aircraft time
74,322 hours, 28,427 cycles
Part
Relay
Condition
Faulted
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

EMERGENCY EXIT LIGHTS PANEL " NOT ARMED " LIGHT DOES NOT TEST WITH PTT OR MASTER TEST SWITCH REF LP 5658985. REF SSM 33-18-37-101 IT SHOULD LOCKED TO ENSURE COMPLIANCE GOOD FIX REMOVED AND REPLACED R33 RELAY AS PER SSM 33-18-37-101, OPS CHECK FAILED, DROPPED P5 PANNEL DOWN TO GAINED ACCESS TO THE "NOT ARMED" LIGHT ASSY, REMOVED AND REPLACED "NOT ARMED" LIGH ASSY AS PER IPC 33-11-50-02C, OPERATIONAL CHECK SATISFACTORY AS PER AMM 33-18-00-710-802.PARTS USED: 29-3110-3-0013,QTY :1 29-3318-3-0002,QTY :1