What was found
SEVERAL; AREAS, BS 312 - 354, S-17: Z-CHORD ANGLE AT FWD, ENTRY DOOR SILL HAS CORROSION. INSTALLED NEW ANGLE PER SRM 51-10-02, 51-20-00; CORR TASK C53-107-01, CORR LEVEL 2, DEFECT SIZE: 1 X 1 INCH.
- Difficulty date
- June 7, 2007
- Submitted
- June 7, 2007
- Operation
- Air carrier
- Aircraft
- N420US
- Make and model
- Boeing 737401
- Aircraft serial
- 23987
- Aircraft time
- 50,436 hours, 50,436 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Sill
- Part number
- 6517688U165
- Condition
- Corroded
- Location
- Bs 312-354
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.