Service difficulty report · Wedge · Boeing 73776N

Difficulty date
January 2, 2025
Submitted
February 20, 2025
Operation
Air carrier
Aircraft
N7723E
Make and model
Boeing 73776N
Aircraft serial
32670
Aircraft time
58,504 hours, 30,432 cycles
Part
Wedge
Condition
Cracked
Location
Zone 600 Slat
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

R/H WING # 5 SLAT LOWER CENTER WEDGE HAS CRACK ON EDGE OF WEDGE. REMOVED R/H WING # 5 SLAT LOWER CENTER WEDGE IAW SRM 51-40-02-0G-0. UT IAW B737 NDT PART 4; 51-00-01. NO ADDITIONAL DEFECTS NOTED. TOOL#31896; DUE 29APR25. EVALUATED AND FOUND SMALL CRACK AT CENTER OF FLEX SKIN AS MARKED. FOUND TO BE REPAIRABLE FOR 250 DEGREE PRE-PREG LAY UP IAW SRM 57-42-01-2R-13 AND SRM 51-70-05-2R-0 REPAIR GENERAL.REMOVED DAMAGE & TAPER SANDED IAW SRM 57-42-01-2R-13 STEP 4 E-H. VERIFIED MATERIAL IAW SRM 57-42-01-2R-13 STEP 4 I-J. BONDED REPAIR IAW SRM 57-42-01-2R-13 STEP 4 J-U AND SRM 51-70-05-2R-0 REPAIR GENERAL LWR AND UPPER SURFACE AT 250 DEGREES FOR 90 MINUTES EACH SIDE (OVEN B0-06 EXP 4-25-25). UT IAW B737 NDT PART 4; 51-00-01. NO DEFECTS NOTED. SEALED TOOL SIDE AROUND REPAIR IAW SRM 57-42-01-2R-13 STEP 4 (X)(1-2). EC3501 (B108904). APPLIED ANTI-STATIC IAW SRM 57-42-01-2R-13 STEP 4(X)(3) AND SOPM 20-10-06. APPLIED PRIMER BMS 10-103 (A275086) IAW SRM 57-42-01-2R-13 STEP 4 (X)(4). APPLIED DECORATIVE FINISH IAW SRM 57-42-01-2R-13 STEP 4 (X)(5). PAINT. APPLIED TOPCOAT PAINT IAW SRM 57-42-01-2R-13 AND AMM 51-21-99-701.

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