As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTNS BETWEEN ROWS 22 AND 31 LEFT SIDE FAILED TO TEST. NOT ILLUMINATING WHEN P-5 SWITCH OR AFT FLIGHT ATTEN DANT TEST SWITCH IS ENERGIZED. REPLACED POWER SUPPLY LOCATED AT BS 727C+13, LEFT SIDE IAW MM 33-51-06-960-805, OPS NORMAL.