As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED. DOOR R-4 EXIT SIGN INOPERABLE. EXIT SIGN OPERATES WITH EMERGENCY LIGHTS SWITCH ON, DOES NOT OPERATE IN NORMAL MODE WITH NO SMOKING AND NO PERSONAL ELECTRONIC DEVICES SWITCH ON. REPLACED R-4 DOOR BROKEN EMERGENCY EXIT SIGN 44WL PER AMM 33-51-16 AND CONNECTED WIRES TO CORRECT LIGHT ASSEMBLIES PER WDM 33-51-03 AND WDM 3351-021. ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK.