Service difficulty report · Battery Pack · Boeing 737790

Difficulty date
August 2, 2025
Submitted
August 6, 2025
Operation
Air carrier
Aircraft
N615AS
Make and model
Boeing 737790
Aircraft serial
30344
Aircraft time
75,040 hours, 39,844 cycles
Part
Battery Pack
Part number
D71702001
Condition
No Test
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

EMERGENCY LIGHTS AT LT OVERWING EXIT INSIDE AND OUTSIDE AND ROW 7 ABC DID NOT PASS 15 MINS CAPACITY CHECKS. GROUNDED - YES. REPLACED M1668 EMERG EXIT LIGHT BATT PACK POWER SUPPLY FOR LH OVERWING EXIT INSIDE AND OUTSIDE LIGHTS AND ROW 7 ABC LIGHTS, OPS NML REF MM 33-51-06-960-805 AND REF WDM 33-51-13.