SDR IPXA2026091095169

Service difficulty report · Panel · Boeing 75724APF

Difficulty date: August 24, 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: 175N20014
Condition: Delaminated
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

MAJOR REPAIR, THE RT LWR FWD TORQUE BOX PANEL HAS 1EA DELAMINATED & DISBONDED AREA NEAR FSS 137.467. ACCOMPLISH REPAIR IAW SRM REV 125, 51-70-10-2R-2, 250 DEG F CURE USING SRM 51-70-10-2R-0. DAMAGE WAS REMOVED IAW SRM 51-70-10-2R. BONDED REPAIR PARTS IAW SRM 51-70-10-2R. DOUBLER WAS SEALED AND ALODINE WAS APPLIED IAW SRM 51-70-10-2R.

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