What was found
DURING M-CHECK AND PRIOR TO SERVICE, FOUND CORROSION ON FLOORBEAM LOWER CHORD UPPER SURFACE BS 640, RBL 63 TO 83. REPAIRED PER EA 66-151340.
- Difficulty date
- July 22, 1997
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N642NW
- Make and model
- Boeing 747212B
- Aircraft serial
- 21942
- System (JASC)
- 5315 · Fuselage Main, Floor Beam
- Part
- Floorbeam
- Condition
- Corroded
- Location
- Bs 640
- 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.