What was found
MAIN DECK BALL MAT 231BM3 UNDER SIDE SKIN HAS CORROSION AT ALL BALL CUTOUTS. OUT OF SEQUENCE STEP 6 INSPECTED FABRICATIN OF NEW SKIN FOR BALLMAT 231BM3 IAW B757 GMM09-08-01-04 SREO 11648-RQ002.
- Difficulty date
- April 8, 2026
- Submitted
- April 23, 2026
- Operation
- Air carrier
- Aircraft
- N421UP
- Make and model
- Boeing 75724APF
- Aircraft serial
- 25281
- Aircraft time
- 35,922 hours, 23,455 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Ball Mat
- Part number
- 8054518
- Condition
- Corroded
- Location
- Zone 200
- 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.