What was found
AIRCRAFT GROUNDED FOR SHORT TERM STORAGE: R4 DOOR EMERGENCY LIGHT BATTERY PACK M33409 DISCHARGED. REPLACED R4 EMERGENCY LIGHT BATTERY PACK PER 33-51-06
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT GROUNDED FOR SHORT TERM STORAGE: R4 DOOR EMERGENCY LIGHT BATTERY PACK M33409 DISCHARGED. REPLACED R4 EMERGENCY LIGHT BATTERY PACK PER 33-51-06