SDR UIEA2019101315696

Service difficulty report · Skin · Boeing 7474KZF

Difficulty date: October 12, 2019
Submitted: October 14, 2019
Operation: Air carrier
Aircraft: N406KZ
Make and model: Boeing 7474KZF
Aircraft serial: 36133
Aircraft time: 38,239 hours, 7,758 cycles
System (JASC): 5751 · Ailerons
Part: Skin
Condition: Debonded
Location: Rt Aileron
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

OUTBOARD EDGE OF RT WING, INBD AILERON LOWER SKIN, WBL 515 SKIN DEBONDED. CUT OUT THE DAMAGED MATERIAL AND CLEANED. MEASURED THE DAMAGED AREA (L = 1", W = 0.3", D = 1 PLY). BOND REPAIR PLIES (L = 5", W = 5"), USED PREPREG LAYUP WITH FILM ADHESIVE. IAW SRM 57-60-01-2R-1, REPAIR 1 AND SRM 51-70-07-0G-0 REV. 86. CHECK CONDITION IS SATISFACTORY.

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