Service difficulty report · Power Supply · Boeing 757251

Difficulty date
March 8, 2025
Submitted
March 10, 2025
Operation
Air carrier
Aircraft
N554NW
Make and model
Boeing 757251
Aircraft serial
26501
Aircraft time
62,482 hours, 28,358 cycles
Part
Power Supply
Condition
Inoperative
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

SHIP 5654 DURING TRANSIT CHECK FOUND ROW 23-26 AND EXIT SIGN L9728 LIGHTS INOP FOR EMERG. CORRECTIVE ACTION: T/S PER B757 SSM 33-51. DURING T/S ROWS 27-32 SEAT LIGHTS STOPPED WORKING. DISCOVERED EMER LTS PWR SPLY M10567 & M10568 BOTH WITH BLOWN FUSE. REPLACED M10567 & M10568 PWR SPLY PER B757 AMM 33-51. ROWS 23 OPS CHK GOOD. ROWS 23-26 AND EXIT SIGN LIGHTS STILL INOP. FOUND GROUND FOR D6856. NO VOLTAGE FOUND FOR D6854. PWR SPLY BATTERY VOLTAGE GOOD. FURTHER TS RQD (316390) FOUND SHORT AT SEAT 24 DEF. REPAIRED PER WDM 20. SYSTEM CKS NORMAL. (6655082)