What was found
CLT - DURING Q-4 CHECK VISUAL INSPECTION, FOUND CORROSION IN NUT PLATE HOLES BL 0 TO RBL 56, 12 EACH 1 INCH BY 1 INCH FLOORBEAM. CORROSINLEVEL 2. REPLACED T-CAP PER SRM 53-10-51. (M)
- Difficulty date
- November 30, 1999
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N421US
- Make and model
- Boeing 737401
- Aircraft serial
- 23988
- System (JASC)
- 5315 · Fuselage Main, Floor Beam
- Part
- Floorbeam
- Condition
- Corroded
- Location
- Cabin
- Part time
- 31,054 hours
- Stage of operation
- IN
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.