Service difficulty report · Ground Wire · Boeing 7379

Difficulty date
June 5, 2026
Submitted
June 8, 2026
Operation
Air carrier
Aircraft
N17438
Make and model
Boeing 7379
Aircraft serial
67668
Aircraft time
897 hours, 338 cycles
Part
Ground Wire
Condition
Disconnected
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 ROW ISLE SEAT LIGHTS NOT ILLUMNATING CHECKED FUSES ON POWER SUPPLY M1694, FUSES SHOWS GOOD CONTINUITY. REF WDM 33-51-21-4. ADDITIONALLY CHECKED FUSES ON FOLLOWING POWER SUPPLIES; M1695, M2503 & M1670. ALL FUSES OK. TRIED SLAVING IN WORKING POWER SUPPLY INTO M1694 NO HELP CHECKED FUSES ON POWER SUPPLY M1694, FUSES SHOWS GOOD CONTINUITY. REF WDM 33-51-21-4. ADDITIONALLY CHECKED FUSES ON FOLLOWING POWER SUPPLIES; M1695, M2503 & M1670. ALL FUSES OK. TRIED SLAVING IN WORKING POWER SUPPLY INTO M1694 NO HELP RESISTANCE CHECK PIN 5 AND 2 ON CONNECTOR D12828, SHOWS WIRE OPEN, FURTHER INSPECTION FOUND GROUND RETURN WIRE PIN IS DISCONNECTED UNDER CARPETS. RECONNECTED WIRE FOR EMERGENCY LIGHTS, OPS CHECK GOOD. REF: WDM 33-51-21-4. AMM TASK 33-51-00-710-801.

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