Service difficulty report · Battery Pack · Boeing 7377BX
FAA SDR system
- Difficulty date
- March 13, 2020
- Submitted
- March 16, 2020
- Operation
- Air carrier
- Aircraft
- N554WN
- Make and model
- Boeing 7377BX
- Aircraft serial
- 30746
- Aircraft time
- 60,338 hours, 34,073 cycles
- Part
- Battery Pack
- Condition
- Discharged
- Location
- Cabin
- 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 BATTERY PACKS M1675 AND M1673 INOP REMOVED AND REPLACED EMER BATT PACK M1673 AND EMER BATT PACK + POWER SUPPLY M1675 IAW AMM 33-51-06-960-805, AMM 33-51-06-960-806. PERFORMED EMERGENCY LIGHTS OPS CHECK FOR M1675 AND M1673, CHECKS GOOD IAW AMM 33-51-06-960-806 STEP 5.E.4 AND AMM 33-51-06-960-805 STEP 4.D.5