Service difficulty report · Battery · Boeing 7878

Difficulty date
May 7, 2025
Submitted
May 12, 2025
Operation
Air carrier
Aircraft
N26910
Make and model
Boeing 7878
Aircraft serial
34826
Aircraft time
46,616 hours, 5,654 cycles
Part
Battery
Part number
100260201
Part serial
ST24038602
Condition
Inoperative
Location
Zone 200
Part time
3,438 hours, 424 cycles
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 PATH LIGHT FROM ROW 43FED TO 53FED BOTH SIDE ARE NOT WORKING EMERG PATH LT AT 46D DISCONN , SECURED CONN LTS FOR 47-52D REPLACED BATTERYS AT WCU 27-29. ACCOMP SHORT TEST PASSED ALL LTS CHECK OK. REF FIM 33-50-F1-E9A-421A-A & MM33-51-00-00C-320A-A.

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