Service difficulty report · Skin · Boeing 737400

Difficulty date
April 15, 2016
Submitted
May 10, 2016
Operation
General aviation
Aircraft
N304AS
Make and model
Boeing 737400
Aircraft serial
25430
Part
Skin
Condition
Cracked
Location
Lt Wing
Part time
58,642 hours
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

DURING INSPECTION, FOUND LT WING L/E SKIN ABOVE OTBD KRUEGER FLAP CRACKED. REMOVED LEFT OTBD KRUEGER FLAP TO FACILITATE MAINTENANCE. CUT AND REMOVED DAMAGED SECTION OF THE SKIN IAW SRM 57-41-01, FIGURE 202, REPAIR 9, REV 91. ACCOMPLISHED HFEC OF DAMAGE AREA AND FASTENER HOLES IAW SRM 57-41-01, FIG 202, REPAIR 9, REV 91. ACCOMPLISHED HFEC OF SURROUNDING AREA IAW NDTM, PART 6, PROCEDURE 23, REV 117. NO CRACKS DETECTED. FABRICATED PREPPED AND INSTALLED REPAIR DOUBLER AND FILLER IAW SRM 57-41-01, REV 92. INSTALLED LT OTBD KRUEGER FLAP SUBSEQUENT TO REPAIRS.

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