Service difficulty report · Attach Angle · Boeing 73773V

Difficulty date
July 17, 2023
Submitted
August 15, 2023
Operation
Air carrier
Aircraft
N7839A
Make and model
Boeing 73773V
Aircraft serial
30243
Aircraft time
63,332 hours, 39,016 cycles
Part
Attach Angle
Part number
UNKNOWN
Condition
Cracked
Location
Zn 100 Fus Lower
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

B.S. 663 LOWER COMPOSITE BULKHEAD UPPER ATTACH ANGLE IS CRACKED AT R.B.L. 10; W.L. 164.< CRACKED ON LOWER COMPOSITE BULKHEAD UPPER ATTACH ANGLE AT R.B.L. 10; W.L. 164 BS 663 WITH NEXT DIMENSION L= 0.800' TOOL USED CALIPER ID: ATS2883<BR>DUE:04/2024<BR>DATE:04/2023<BR>FOUND TO BE OUT LIMITS I.A.W SRM 57-10-10-1A-2 FOR ALLOWABLE DAMAGE AND SRM 51-10-10-0L-2 FOR IDENTIFICATION IT WILL BE REPAIRABLE BY SRM 57-10-10-2R-5.;[03] VERIFIED CORRECTION ACTION ITEM 2;;[04] COMPLETED STEP 2;[05] FABRICATED; LOCATED AND DRILLED DOUBLER CUSTOMER RO NO ATSHFAB-101-355 AND FILLER CUSTOMER RO NO ATSHFAB-101-354 IAW SRM 51-40-05-0G-0 AND SRM 57-10-10-2R-5 REPAIR-5 INSTALLED FASTENERS COMMON TO THE FUEL TANK DOUBLER AND FILLER AT RBL 5 TO RBL 17; W.L. 164.IAW 737-700 SRM 51-40-02-0G-0 AND SRM 57-10-10-2R-5 REPAIR-5.-;[10] COMPLETED STEP 5.<BR>VERIFIED COMPLETION OF CORRECTIVE ACTIONS 9.;[11] INSTALLED FASTENERS COMMON TO THE VAPOR BARRIER DOUBLER AND FILLER AT RBL 5 TO RBL 17; W.L. 164.IAW 737-700 SRM 51-40-02-0G-0 AND SRM 57-10-10-2R-5 REPAIR-5.-;[12] UPDATE CORRECTIVE ACTION # 10 SHOULD BE RII ITEM :<BR>COMPLETED STEP 5.<BR>VERIFIED COMPLETION OF CORRECTIVE ACTIONS 9.;[13] VERIFIED CORRECTIVE ACTION 11 COMPLETE.;[14] TASK CARD COMPLETE.

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