What was found
SUPPLEMENTAL INFORMATION (CHANGING SEQUENCE NUMBER FROM 0121 TO 0122): FLT 1391, BOS-TPA. AFT EMER LIGHT WON'T TEST; R & R AFT EMER LIGHT BATTERY (13WL) OPS CHK GOOD IAW AMM 33-51-38.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
SUPPLEMENTAL INFORMATION (CHANGING SEQUENCE NUMBER FROM 0121 TO 0122): FLT 1391, BOS-TPA. AFT EMER LIGHT WON'T TEST; R & R AFT EMER LIGHT BATTERY (13WL) OPS CHK GOOD IAW AMM 33-51-38.