What was found
EMERGENCY LIGHTS AT SEATS 33DEF-37DEF INOPERATIVE. REPLACED THE M1672 BATTERY PACK, REPLACED M1672 FUSES, R & R M1672 POWER SUPPLY, NO FURTHER DEFECTS. ALL WORK PERFORMED IAW AMM 33-51. (9555734) AIRCRAFT IS GROUNDED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
EMERGENCY LIGHTS AT SEATS 33DEF-37DEF INOPERATIVE. REPLACED THE M1672 BATTERY PACK, REPLACED M1672 FUSES, R & R M1672 POWER SUPPLY, NO FURTHER DEFECTS. ALL WORK PERFORMED IAW AMM 33-51. (9555734) AIRCRAFT IS GROUNDED.