What was found
DURING C 4 CHECK, CORROSION WAS FOUND ON THE R1 DOOR MOP SILL. INSPECTION, IAW SRM 53-10-15 FOUND THE SILL OUT OF TOLERANCE. NEW SILL WAS INSTALLED IAW SRM 53-10-15 AND SRM 51-40-02.
- Difficulty date
- October 21, 2002
- Submitted
- October 22, 2002
- Operation
- Air carrier
- Aircraft
- N578US
- Make and model
- Boeing 737301
- Aircraft serial
- 23257
- Aircraft time
- 55,067 hours, 31,976 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Sill
- 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.