Service difficulty report · Fairing · Boeing 7377BD

Difficulty date
December 15, 2022
Submitted
January 26, 2023
Operation
Air carrier
Aircraft
N7713A
Make and model
Boeing 7377BD
Aircraft serial
33919
Aircraft time
57,380 hours, 30,141 cycles
Part
Fairing
Condition
Cracked
Location
Lt Flap Track
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

LT WING FLAP TRACK FAIRING 542BB HAS CRACK ON UPPER SURFACE OF LOWER SURFACE. DAMAGE IS OUT OF ALLOWABLE DAMAGE LIMITS IAW SRM 57-53-70-1A-1 FIGURE 101 AND 104; ZONE 1; PARA 4.A(4). ENGINEERING IS REQUIRED DUE TO MORE THAN 3 PLIES ARE DAMAGED PER SRM 57-53-70-2R-4 PARA 4.A(1); 4.B(1) & 4.C; FIGURE 204; ZONE 1; TABLE 201. VISUALLY EXAMINED EXTENT OF DAMAGE; TAP TESTED - DISBOND NOTED; REMOVED 1.2' X 1.3' OF DAMAGED SKIN AND PARTIAL DEPTH CORE ON INNER SURFACE; CLEANED REPAIR AREA IAW SRM 51-70-04-2R-2 PARA 4.A-B. ACCOMPLISHED UT INSPECTION IAW NDTM D6-37239 PART 4 51-00-02. NO DISBONDS.

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