What was found
DURING C-4 CHECK, INSPECTION REPORTED FLOOR ANGLE CORRODED AT L1 ENTRY THRESHOLD, STA 312 TO 344. REMOVED L1 MOP SILL PER SRM 53-10-15. INSTALLED NEW MOP SILL PER SRM 51-40-02 AND 51-10-02.
- Difficulty date
- April 25, 2002
- Submitted
- April 25, 2002
- Operation
- Air carrier
- Aircraft
- N312FL
- Make and model
- Boeing 7373L9
- Aircraft serial
- 24569
- Aircraft time
- 31,269 hours, 25,360 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.