What was found
STA 320-348, LEFT SIDE FWD ENTRY, INBOARD DOOR SILL SUPPORT ANGLE HAS CORROSION. REPLACED WITH NEW PART PER SRM 51-10-02, 51-40-02; CORR TASK C53-107-01; LEVEL 2, DEFECT SIZE: 6 INCHES.
- 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)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Support Angle
- Condition
- Corroded
- 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.