What was found
THE L/H LWR FWD TORQUE BOX PANEL HAS MULTIPLE DELAMINATIONS / DISBONDS (3EA TOTAL) NEAR THE TOP AND BOTTOM OF THE PANEL. ALL DAMAGE MARKED IN WHITE. INSTALLED NEW PART FWD TORQUE BOX LWR PANEL ASSEMBLY LH IAW SRM 51-40-02-0G-0.
- Difficulty date
- May 7, 2026
- Submitted
- June 12, 2026
- Operation
- Air carrier
- Aircraft
- N423UP
- Make and model
- Boeing 75724APF
- Aircraft serial
- 25325
- Aircraft time
- 36,345 hours, 23,701 cycles
- System (JASC)
- 5530 · Vertical Stabilizer
- Part
- Panel
- Part number
- 175N20013
- Part serial
- UP80008
- Condition
- Damaged
- Location
- Zone 300
- 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.