Service difficulty report · Battery Pack · Boeing 737924ER
FAA SDR system
- Difficulty date
- March 20, 2026
- Submitted
- March 23, 2026
- Operation
- Air carrier
- Make and model
- Boeing 737924ER
- Aircraft serial
- 33533
- Aircraft time
- 52,232 hours, 18,695 cycles
- Part
- Battery Pack
- Part number
- ADD71701100
- Condition
- Discharged
- 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
PASSENGER CABIN EMERGENCY LIGHTS BATTERY PACK M1673 FAILS CAPACITY CHECK. REMOVED AND INSTALLED NEW POWER SUPPLY BATTERY PACK (M1673) IAW AMM 33-51-06-960-805. 4.E.5, 33-51-06-960-805 STEP 4.E.6, OPS CHECK GOOD IAW AMM 33-51-06-960-805. STEP 4.E.7.