As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHT BATTERY PACK INOP LOCATED BELOW THE 8TH WINDOW AFT OF THE AFT OVERWING ESCAPE HATCH REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK LOCATED BELOW THE 8TH WINDOW AFT OF THE AFT OVERWING ESCAPE HATCH REF 737-900 AMM 33-51-06 REV 75