What was found
DURING HEAVY MAINTENANCE, FOUND EMERGENCY LIGHTS FAIL EPSU BATTERY FWD LT. R & R 10WL EPSU BATTERY. OPS CHECK NORMAL REF AMM 33-51-38 PB 401.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING HEAVY MAINTENANCE, FOUND EMERGENCY LIGHTS FAIL EPSU BATTERY FWD LT. R & R 10WL EPSU BATTERY. OPS CHECK NORMAL REF AMM 33-51-38 PB 401.