As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ALL EMERGENCY LIGHT BATTERY PACKS FAIL CAPACITY CHECK. REF TO PEMCO NR 13146.0021 AND LP 3513069 REMOVED AND REPLACED EMERGENCY BATTERY PACK FOR SCEPTRE TRACKIN ONLY. REF TO LOG PAGE 3513069, WORK PERFORMED BY V927939, ENTERED BY V927860 MFG NO. AD-D717-01-100, S/N 176411.