Service difficulty report · Skin · Boeing 7377H4

Difficulty date
January 7, 2021
Submitted
June 4, 2021
Operation
Air carrier
Aircraft
N494WN
Make and model
Boeing 7377H4
Aircraft serial
33868
Aircraft time
55,108 hours, 32,809 cycles
Part
Skin
Part number
113A370021
Part serial
001625
Condition
Delaminated
Location
Lt Wing Te Flap
Stage of operation
IN
How discovered
9
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

DURING MAINTENANCE CHECK; FOUND LEFT WING OUTBOARD TRAILING EDGE AFT FLAP SKIN DELAMINATION/DISBOND. DAMAGE MEASURES 5' IN LENGHT FROM LOWER INBOARD EDGE OF SKIN SPANWISE AND 0.75' FROM LOWER AFT EDGE OF SKIN CHORDWISE. / DMA# 0258743 REMOVED AND REPLACED OUTBOARD AFT FLAP REF MM 27-51-22 CL# 65438 POS L/H AFT TAG 757346 P/N OFF/ON 113A3700-21 S/N OFF 001625 S/N ON 001550

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