As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND 41DEF OVERHEAD EMERGENCY LIGHT INOP. R/R HOUSING ASSY PER B757 AMM 32-51. UPON LOCATING BATT PACK M736 & M737 FOUND CONNECTORS INSTALLED INVERSELY. SWAPPED CONNECTORS TO CORRECT CONFIG. FAULT NOW LOCATED AC LEFT SIDE @ SEATS 40 ABC TO AFT. 41DEF NML. RR M736 BATT AND CHARGER IAW AMM 33-51. ALL EMERG LIGHT TEST GOOD. (7774124)