Service difficulty report · Attach Angle · Boeing 7377H4

Difficulty date
September 29, 2021
Submitted
October 27, 2021
Operation
Air carrier
Aircraft
N232WN
Make and model
Boeing 7377H4
Aircraft serial
32500
Aircraft time
53,002 hours, 31,465 cycles
Part
Attach Angle
Condition
Cracked
Location
Center 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

B.S. 663 LOWER COMPOSITE BULK HEAD UPPER ATTACH ANGLE IS CRACKED AT R.B.L. 42; W.L. 163. ; / [01] REMOVED EXISTING SPLICE AND DAMAGE ANGLE AT R/H VAPOR BARRIER BS 663 WL 163 BNETWEEN RBL 65 TO RBL 18 IAW SRM 51-10-02 0G-0; [02] REMOVED EXISTING REPAIR ANGLE AT R/H VAPOR BARRIER BS 663 WL163 RBL 18 TO RBL 6 IAW SRM 51-40-02-0G-0; [03] VERIFIED CORRECTIVE ACTION 1 AND 2.; [04] FORMED AND HEAT TREATED NEW ANGLE IAW 111A1322 REV:B ON CUSTOMER RO NO 840092-SWA JOB NUMBER 543500; [05] LOCATED AND DRILLED NEW ANGLE AT B/S 663 BTW RBL6 - RBL 65 WL 163 IAW SRM 51 40-05 AND DWG 111A1000 REV:AND DWG 111A1000 REV:-. FORMED AND HEAT TREATED NEW ANGLE IAW 111A1322 REV B.

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