Service difficulty report · Skin · Boeing 7377H4

Difficulty date
September 25, 2022
Submitted
October 25, 2022
Operation
Air carrier
Aircraft
N266WN
Make and model
Boeing 7377H4
Aircraft serial
32523
Aircraft time
52,718 hours, 31,500 cycles
Part
Skin
Condition
Cracked
Location
L/H Wing
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

#2 SLAT NOSE SKIN HAS POSSIBLE CRACK AT FASTENER AT ACTUATOR ATTACH RIB. MARKED / [01] REQUIRE NDT FOR #2 SLAT NOSE SKIN HAS POSSIBLE CRACK.;[02] CERTIFIED;[03] HFEC INSPECTED SUSPECTED CRACKED AREA IAW 737 NDTM PART 6 51-00-00 PROCEDURE 23.<BR>.1' CRACK NOTED. MARKED ENDS OF CRACK.<BR><BR>HFEC INSPECTED OPEN HOLE IAW 737 NDTM PART 6 51-00-00 PROCEDURE 16. <BR>CRACK NOTED.<BR><BR>HFEC INSPECTED COUNTERSINK IAW 737 NDTM PART 6 53-30-00 PROCEDURE 3. <BR>CRACK NOTED.<BR><BR>EQUIP USED:<BR>-NORTEC 600 ID: ATS2353 CAL DUE: 01/23<BR>-MINIMITE ID: ATS1411 CAL DUE: 07/23;[20] FABRICATE REPAIR PARTS; LOCATED AND DRILLED NEW PART PER737-700 SRM 57-42-01-2R-8 REPAIR 8 TABLE 203 FIG 202 STEP 3 TO 7. OK TO TREAT AND PRIME NEW REPAIR PARTS.;[21] VERIFIED;[22] INSTALLED COUNTERSINK REPAIR WASHERS PER SRM B737-700 SRM 57-42-012R-8 FROM STEP 3.(G).;[23] TREATED AND PRIMED REPAIR PARTS AND REPAIR AREA PER B737-700 SRM 57-42-01-2R-8 FROM STEP 8 AND 9. OK TO INSTALL REPAIR PARTS.;[24] VERIFIED CORRECTIVE ACTIONS #22 AND #23<BR> OK TO INSTALL REPAIR PART GIVEN;[25] VERIFIED CORRECTIVE ACTION #20<BR>OK TO TREAT AND PRIME NEW REPAIR PARTS GIVEN;[26] INSTALLED REPAIR PARTS DOUBLER AND FILLER IAW SRM 57-42-01-2R-8 REPAIR 8

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