What was found
FWD SERVICE DOORWAY FRAME AT UPPER FWD STOP FITTING LOWER Q/B CORNER HAS CRACK. REMOVED DAMAGED FRAME & REPLACED WITH NEW PER DWG; 365-55878, SRM 51-10-02, DEFECT SIZE: .250 INCH.
- Difficulty date
- April 23, 2007
- Submitted
- April 23, 2007
- Operation
- Air carrier
- Aircraft
- N421US
- Make and model
- Boeing 737401
- Aircraft serial
- 23988
- Aircraft time
- 49,912 hours, 49,912 cycles
- System (JASC)
- 5310 · Fuselage Main, Structure
- Part
- Door Frame
- Condition
- Cracked
- Location
- Fuselage
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.