Service difficulty report · Battery Pack · Boeing 737790
FAA SDR system
- Difficulty date
- May 17, 2026
- Submitted
- May 20, 2026
- Operation
- Air carrier
- Make and model
- Boeing 737790
- Aircraft serial
- 30793
- Aircraft time
- 73,980 hours, 39,611 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
WHILE ACCOMPLISHING TC78233001 FOUND INTERIOR OVERHEAD EMERGENCY EXIT LIGHT INOP AND L1 EMERGENCY EXIT EXTERIOR LIGHT INOP. GROUNDED - YES. REMOVED AND REPLACED BATTERY PACKS M1674 AND M1675 I/A/W IAI M/M 33-51-06EMERGENCY INTERIOR AND EXTERIOR LIGHTS OPS CHECK GOOD.