What was found
STL - FLT 227 - DURING LANDING GEAR EXTENSION, LEFT MAIN GEAR DOWN INDICATION DID NOT ILLUMINATE. REMOVED AND REPLACED LIGHT BULB, MFG P/N 387. OPERATIONAL CHECK NORMAL. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
STL - FLT 227 - DURING LANDING GEAR EXTENSION, LEFT MAIN GEAR DOWN INDICATION DID NOT ILLUMINATE. REMOVED AND REPLACED LIGHT BULB, MFG P/N 387. OPERATIONAL CHECK NORMAL. (M)