What was found
DURING HEAVY MAINTENANCE: DURING EPSU BITE, FOUND 11WL BAT FAULT; REMOVED AND REPLACED EPSU BATTERY 11WL IAW AMM 33-51-38-100-200-A/400-200A-A. BITE TEST OK. REF STS NR WO 3329 N0414.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING HEAVY MAINTENANCE: DURING EPSU BITE, FOUND 11WL BAT FAULT; REMOVED AND REPLACED EPSU BATTERY 11WL IAW AMM 33-51-38-100-200-A/400-200A-A. BITE TEST OK. REF STS NR WO 3329 N0414.