As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 6701 EMERGENCY LIGHTS OUT AT ROW 27-32 DEF. CORRECTIVE ACTION: REPLACED POWER SUPPLY M10568 NO HELP. T/S PER WDM 33-51-22. ALL WIRES CHECK GOOD. FOUND NO POWER TO PIN 1 D9723J. SLAVED IN 2ND POWER SUPPLY NO HELP. INSTALLED 3RD NEW POWER SUPPLY NOW OPS CHECK GOOD. REF AMM 33-51. (5909400)