What was found
AFT CARGO COMPARTMENT FLOOR STRINGER UPPER FLANGE HAS EVIDENCE OF CORROSION APPROX BTW BS 1460 AND BS 1480, LBL 7.55 AND RBL 7.55, INSTALLED NEW REPLACEMANT STRINGER AT BTW BS 1445 AND BS 1497.5, LBL 7.55 IAW SRM 51-40-02-0G-0.
- Difficulty date
- April 8, 2026
- Submitted
- May 1, 2026
- Operation
- Air carrier
- Aircraft
- N454UP
- Make and model
- Boeing 75724APF
- Aircraft serial
- 25475
- Aircraft time
- 43,406 hours, 22,422 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Floor Support
- Part number
- 146N544713
- Condition
- Corroded
- Location
- Zone 100
- 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.