SDR IPXA2026040158907

Service difficulty report · Skin · Boeing 76734AF

Difficulty date: March 31, 2026
Submitted: April 2, 2026
Operation: Air carrier
Aircraft: N349UP
Make and model: Boeing 76734AF
Aircraft serial: 37947
Aircraft time: 32,836 hours, 12,284 cycles
System (JASC): 5753 · Trailing Edge Flaps
Part: Skin
Condition: Debonded
Location: Zone 500 Flap
Component: Flap
Component part number: 113T23017A
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

DEBONDED SKIN , LOWER FACE OF L/H WING T/E INBD AFT FLAP LOWER SKIN , REMOVE THE DISBOND MATERIALS AND CLEAN. BOND THE REPAIR PLIES WITH RESIN CURED AT 150Â°F FOR 180 MINUTES WITH MINIMUM VACUUM OF 22 IN/HG. I.A.W AMM 51-21-10-307-020 REV.147, REPAINT REWORK AREA.WBL 137.

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