As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
737-900ER LH MID CABIN DOOR PLUG, DOOR FRAME STRUCTURE AND UPPER GUIDE FITTINGS - INSPECTION - LH MID CABIN DOOR PLUG, UPPER AFT GUIDE TRACK FITTING IS CRACKED. REMOVED AND REPLACED L/H MID CABIN DOOR PLUG UPPER AFT GUIDE OPENED L/H MID CABIN EXIT DOOR PLUG FOM IAW AMM OK TO CLOSE L/H MID CABIN EXIT DOOR PLUG RIQUIRED. CLOSED L/H MID CABIN EXIT DOOR PLUG IAW AMM 52-23-02-410-801. FITTING PER SRM 51-40-02. 52-23-02-010-801.