Service difficulty report · Power Supply · Boeing 777FS2

Difficulty date
March 22, 2025
Submitted
March 24, 2025
Operation
Air carrier
Aircraft
N857FD
Make and model
Boeing 777FS2
Aircraft serial
37728
Aircraft time
56,868 hours, 9,112 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

DURING SERVICE CHECK, FOUND L/H SLIDE LIGHT INOP. PART 22MAR25 14:16 MC1 IDENTIFIED PARTS EMERGENCY LIGHTS. RELAMPED L/H SLIDE LIGHT PER AMM 33-51-04-2. NO HELP. REMOVED AND REPLACED L1 EMER LIGHTS POWER SUPPLY PER AMM 33-51-06-2, BUT PART BFS. SEE WRI 33-50/4783 FOR PART TRANSACTION. REINSTALLED ORIGINAL PART. NEED MORE TROUBLESHOOTING. REMOVED AND REPLACED LEFT EMER PWR SUPPLY M33093.

More about the Boeing 777-FS2