Service difficulty report · Battery Pack · Boeing 7377BX
FAA SDR system
- Difficulty date
- March 13, 2020
- Submitted
- March 23, 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
- O
- 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