Service difficulty report · Battery · Boeing 747446

Difficulty date
March 15, 2020
Submitted
March 17, 2020
Operation
Air carrier
Aircraft
N465MC
Make and model
Boeing 747446
Aircraft serial
24784
Aircraft time
101,504 hours, 19,637 cycles
Part
Battery
Part number
900835A
Part serial
C5876
Condition
Discharged
Location
Cabin
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

UPPER DECK EXIT EMERGENCY LIGHTS FOUND SEVERAL INOP.(<P>T/S W/D 33-51-23; REPAIRED U/D EMERGENCY LIGHT WIRING L3661, L3662 AND COVER LENS INSTALLED. OPS CHECK OK. REMOVED AND REPLACED M7038 BATTERY CARTRIDGE PER AMM 33-51-04 (OFF PART: PN <SPAN>9008-3-5A</SPAN><SPAN>, SN 141558</SPAN><SPAN>). REMOVED AND REPLACED M7040 BATTERY CARTRIDGE PER AMM 33-51-04. REMOVED AND REPLACED POWER SUPPLY FUSE (7050) PER AMM 33-51-04/900. EMERGENCY LIGHTS OPS TEST OK AMM 33-51-00/715.</SPAN></P>)