SDR IPXA2026090711902

Service difficulty report · Panel · Boeing 75724APF

Difficulty date: August 25, 2026
Submitted: September 14, 2026
Operation: Air carrier
Aircraft: N441UP
Make and model: Boeing 75724APF
Aircraft serial: 27386
Aircraft time: 33,003 hours, 21,322 cycles
System (JASC): 5530 · Vertical Stabilizer
Part: Panel
Part number: 175N20013
Condition: Debonded
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.

What was found

THE LT FWD TORQUE BOX PANEL HAS 2EA DELAMINATED, DISBONDED AREAS NEAR FSS 245.653 AND FSS 171.39. REMOVED ALL FASTENERS FROM LT FWD TORQUE BOX PANEL, EXCEPT MOST BOTTOM ROW, & BOTTOM AFT ROW, IAW SRM 51-40-02. INSTALLED NEW TORQUE BOX PANEL ON LT FWD IAW SRM 51-40-02.

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