What was found
R4 DOOR EMER EXIT IDENTIFIER SIGN INOPERATIVE. REPLACED R4 DOOR EMER EXIT IDENTIFIER SIGN LAMPS IAW MM 33-51-01. SYS CHECKED NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
R4 DOOR EMER EXIT IDENTIFIER SIGN INOPERATIVE. REPLACED R4 DOOR EMER EXIT IDENTIFIER SIGN LAMPS IAW MM 33-51-01. SYS CHECKED NORMAL.