What was found
DURING MAINTENANCE: "EMERG BATT 10WL FAILED TEST; REMOVED NAD REPLACED 10WL EMERG BATT IAW AMM 33-51-00 OPS CHK GOOD. A/C OK CONT SVC."
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING MAINTENANCE: "EMERG BATT 10WL FAILED TEST; REMOVED NAD REPLACED 10WL EMERG BATT IAW AMM 33-51-00 OPS CHK GOOD. A/C OK CONT SVC."