As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
OFAR EMERGENCY LIGHT BATTERY PACK M33143(LH) FAIL TEST. P/N:D717 -01-100 AND S/N:426922 OFAR EMERGENCY LIGHT BATTERY PACK M33143(LH) REPLACED AND OPERAT ION TEST CARRIED OUT FOUND SATISFACTORY AMM 33-51-06. TASK ACCOM PLISHED BY V943525.