Service difficulty report · Elec Connector · Boeing 7378

Difficulty date
November 20, 2025
Submitted
November 25, 2025
Operation
Air carrier
Aircraft
N8744B
Make and model
Boeing 7378
Aircraft serial
61865
Aircraft time
14,553 hours, 6,825 cycles
Part
Elec Connector
Condition
Misinstalled
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

RIGHT AFT OVERWING SLIDE EMERGENCY LIGHT INOPERATIVE. THE RIGHT AFT OVERWING SLIDE EMERGENCY LIGHT WAS CHECKED IAW WDM 33-51-14 & 33-51-22 AND THE BATTERY PACK M1671 FUSE ASSOCIATED WITH LIGHTS L7 OVERWING ESCAPE LIGHT AND L1358 EXIT INDICATOR LIGHT WAS TO BE OPEN. IT WAS REPLACED AND A FUNCTIONAL TEST WAS PERFOMED AND LIGHTS L7 AND L1358 DID NOT ILLUMINATE. PERFORMED CONTINUITY CHECK AND FOUND CONNECTORS D12430 AND D12432 WERE INCORRECTLY CONNECTED. THE CONNECTORS WERE CONNECTED IAW WDM 33-51-22 AND REPLACED ASSOCIATED FUSE AGAIN IAW WDM 33-51-22 AND 33-51-14 AND PERFORMED GOOD TEST OF EMERGENCY LIGHT L7 AND L1358 IAW AMM 33-51-00-720-801 AND FOUND THE AISLE EMERGENCY LIGHT NEXT TO ROW 23 CBA NOT TURN ON WILL BE FIXED ON CARD TTG8Q018ZW1S.

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