Service difficulty report · Stub Frame · Boeing 7377H4

Difficulty date
June 4, 2023
Submitted
June 29, 2023
Operation
Air carrier
Aircraft
N295WN
Make and model
Boeing 7377H4
Aircraft serial
32541
Aircraft time
51,370 hours, 30,880 cycles
Part
Stub Frame
Part number
UNKNOWN
Condition
Cracked
Location
Zn 200 Fus Top
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

BS 294 STUB FRAME CRACKED AT RBL 65 WL 208 (MARKED)<TRIMMED DAMAGED PART OF THE STUB FRAME INNER CHORD I.A.W SRM 53-10-15-2R-7 REPAIR 7 PAR 4.D FIGURE 202;[05] REQUEST D.V.I I.A.W SRM 53-10-15-2R-7 REPAIR 7 PAR 4.G CRACK INDICATION NOTED WITHIN HOLE. MARKED LOCATION.<BR><BR>EQUIP USED:<BR>-NORTEC 600 ID: ATS1465 CAL DUE: 09/23;FABRICATED ITEM [1] CLIP MATERIAL USED BAC 1514-2833 7075-T6511 EXTRUSION AS GIVEN IN QQ-A-200/11 LOT:1485585-1 AND APPLIED CHEMICAL CONVERSION COATING TO THE PART IAW SRM 53-10-15-2R-7.OK TO INSTALL GIVEN.;[17] INSTALLED ITEM [1] CLIP IAW SRM 53-10-15-2R-7.;[18] INSTALLED CLIP IAW SRM 53-10-15-2R-7 ITEM [1].INSTALLED CLIP P/N 141A8374-2 IAW SRM 53-10-15-2R-7; DOCUMENT NUMBER 141A8370 DWG ID:0010 REV:D AND DOCUMENT NUMBER 141A8370 DWG ID:0001 REV:C.;[23] VERIFIED STEP 22.;[24] COMPLETED MEASUREMENT TABLE.;[25] THE DAMAGE WAS REPAIRED PER 737-700 SRM 53-10-15-2R-7 (REPAIR 7) AND EA 23-153-01862 WITH REPETITIVE INSPECTIONS DEFINED ON 23-153-01862-DTI.;[26] VERIFIED CORRECTIVE ACTION STEPS 24 AND 25.;[27] VERIFIED MEASUREMENT TABLE AND TASK CARD COMPLETE.

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