Service difficulty report · Battery Pack · Boeing 737824

Difficulty date
May 16, 2026
Submitted
May 18, 2026
Operation
Air carrier
Aircraft
N77539
Make and model
Boeing 737824
Aircraft serial
63642
Aircraft time
27,038 hours, 10,220 cycles
Part
Battery Pack
Part number
ADD71701100
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

EMERGENCY ESCAPE LIGHTS FROM ROW 7ABC TO 14ABC, RH OVERWING EXTERIOR LIGHT BETWEEN THE ESCAPE HATCHES AND OVERHEAD AISLE EMERGENCY EXIT SIGN BETWEEN OVERWING ESCAPE HATCHES ARE ALL INOP. THE OVERWING EMERGENCY LIGHT BETWEEN THE TWO ESCAPE HATCHES THAT IS INOP IS ON THE LH SIDE NOTHE THE RH R/R BATTERY PACK FOR EMERGENCY LIGHTING POWER SUPPLY IRW AMM TASK 33-51-06-960-805. OPS CHK NORMAL