Service difficulty report · Wedge · Boeing 7377H4

Difficulty date
January 30, 2020
Submitted
August 12, 2021
Operation
Air carrier
Aircraft
N263WN
Make and model
Boeing 7377H4
Aircraft serial
32520
Aircraft time
45,510 hours, 27,131 cycles
Part
Wedge
Condition
Delaminated
Location
Lt Wing Te Flap
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

LEFT WING I\B MID FLAP O\B T\E WEDGE LOWER SURFACE DELAM APPROX 15'X9' AT THE AFT EDGE STARTS 9' I\B OF THE AFT END. / LEFT WING I\B MID FLAP O\B T\E WEDGE LOWER SURFACE DELAM APPROX 15'X9' AT THE AFT EDGE STARTS 9' I\B OF THE AFT END. COMPLIED WITH EA: 1-757-16816 BY DRYING AREA; CLEAN ING THE DAMAGED AREA; DO A DETAILED INSPECTION OF THE DAMAGED AREA; ACCOMPLISH A TAP TEST OF ADJACENT AREA; ACCOMPLISH BOND TEST OF ADJACENT AREA; DRILL 0.125' DIAMETER HOLES ON 0.5' SPACING THROUGH OUT THE DISBOND AREA; INJECT BMS 5-141 ADHESIVE OR EAUIVALENT; AND APPLY TWO LAYERS OF ALUMINUM FOIL TAPE (SPEED TAPE) TO THE AREA. REPETITIVE INSPECTION ACTION: SPEC LIMIT START: 01/30/2020; INSPECTION THRESHOLD: 8DAYS; REPEAT INSPECTION INT: 8 DAYS. ACTION REQUIRED: PERFORM VISUAL INSPECTION TO ENSURE DAMAGE HAS NOT GROWN OR CHANGED. IF ADDITIONAL DAMAGE IS FOUND CONTACT ENGINEERING BEFORE FURTHER FLIGHT. REPLACE SPEED TAPE IF DEGRADED. PERMANENT REPAIR LIMIT: SPEC LIMIT START: 01/30/2020; PERM REPAIR REQMNT: 118

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