Service difficulty report · Power Supply · Boeing 7378EH

Difficulty date
August 22, 2026
Submitted
August 24, 2026
Operation
Air carrier
Aircraft
N807VL
Make and model
Boeing 7378EH
Aircraft serial
35830
Aircraft time
46,764 hours, 29,155 cycles
Part
Power Supply
Condition
Faulted
Location
Zone 200
Stage of operation
IN
How discovered
V
Nature of condition
O
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 ISLE LIGHT OUT BETWEEN ROWS 3 AND 15. IAW WDM 33-51-13 AND WDM 33-51-21 FOUND BAD POWER SUPPLY PACKS M2335, M1695, AND M1676. NOTED SHORTS FROM ISLE EMERGENCY LIGHTS. CORRECTED SORTS IAW WDM 33-51-13 AND WDM 33-51-21. R & R EMERGEMNCY ISLE HOUSING AT ROW 5 DEF IAW AMM 33-51-03-960-802. R & R POWER SUPPLY M2335 ROW 9 ABC FLOOR IAW AMM 33-51-06-960-806. INSTALLED BATTERY ON POWER SUPPLY M2335 ( 9 ABC FLOOR) IAW AMM 33-51-06-960-805. OPS CHKD OF LIGHTS ATTACHED TO THIS PACK GOOD. R & R POWER SUPPLY M1695 ROW 15 DEF FLOOR IAW AMM 33-51-06-960-806. INSTALLED NEW BATTERY ON POWER SUPPLY M1695 ( 15 DEF FLOOR) IAW AMM 33-51-06-960-805. R & R POWER SUPPLY M1676 9 DEF FLOOR IAW AMM 33-51-06-960-806. INSTALLED NEW BATTERY ON POWER SUPPLY M1676 ( 9 DEF FLOOR) IAW AMM 33-51-06-960-805. OPS CHECK OF LIGHTS ATTACHED TO THIS PACK GOOD.

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