What was found
Q4 CHECK - RIGHT OUTBOARD TRAILING EDGE MID-FLAP HAS MULTIPLE (3) AREAS OF CORROSION; 1"X1"X.002"; 1.5"X1"X.005"; 1.5"X1.5"X.006" ON UPPER LEADING EDGE SURFACE FROM WBL 262 TO WBL 400. REMOVED AND REPLACED MID-FLAP ASSEMBLY.
- Difficulty date
- May 31, 2012
- Submitted
- July 2, 2012
- Operation
- Air carrier
- Aircraft
- N424US
- Make and model
- Boeing 737401
- Aircraft serial
- 23991
- Aircraft time
- 62,000 hours, 40,830 cycles
- System (JASC)
- 5753 · Trailing Edge Flaps
- Part
- Skin
- Part number
- 65C2632012
- Part serial
- BN974
- Condition
- Corroded
- Location
- Te Flap
- 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.