What was found
WHILE PERFORMING MCDP TEST 40, DISCOVERED RT AURAL WARNING SYSTEM INOPERATIVE T/S TO CARD M619. RT SIREN, OWL MODULE. R & R CARD, OPS CHECKED GOOD IAW AMM 31-51-04.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHILE PERFORMING MCDP TEST 40, DISCOVERED RT AURAL WARNING SYSTEM INOPERATIVE T/S TO CARD M619. RT SIREN, OWL MODULE. R & R CARD, OPS CHECKED GOOD IAW AMM 31-51-04.