What was found
AIRCRAFT WAS GROUNDED: OPERATIONS CHECKS FAILED CEILING LIGHT 23D AFT. MAINTENANCE REPLACED EMERGENCY LIGHT BATTERY PACK ASSEMBLY PER AMM 33-53-00 AND PERFORMED SATISFACTORY OPERATIONAL CHECK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS GROUNDED: OPERATIONS CHECKS FAILED CEILING LIGHT 23D AFT. MAINTENANCE REPLACED EMERGENCY LIGHT BATTERY PACK ASSEMBLY PER AMM 33-53-00 AND PERFORMED SATISFACTORY OPERATIONAL CHECK.