Service difficulty report · Stringer Clip · Boeing 7377H4

Difficulty date
April 11, 2023
Submitted
May 17, 2023
Operation
Air carrier
Aircraft
N958WN
Make and model
Boeing 7377H4
Aircraft serial
36673
Aircraft time
38,993 hours, 23,664 cycles
Part
Stringer Clip
Condition
Corroded
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

AFT OF CARGO COMPARTMENT - STRINGER CLIP HAS CORROSION BS 947 STR 26L<[01] VERIFIED APPLICABILITY FOR ALLOWABLE DAMAGE LIMITS AFT CARGO COMPARTMENT STRINGER CLIP BS 947 STR 26 IAW SRM 51-10-02;[02] NO ALLOWABLE DAMAGE LIMITS IN SRM REPAIR BY REPACEMENT IAW SRM 51-10-02-0G-0 PARAGRAPH # 9;[03] VERIFIED CORRECTIVE ACTIONS 1 AND 2.;[04] RECEIVED FROM TOOL ROOM NEW ANGLE P/N HFAB53-AN-011 HEAT TREATED TO T62 CONDITION; PO# 914699-SWA.<BR>LOCATED; DRILLED AND CHEMICAL CONVERSION COATED ANGLE PER SRM 51-40-05-0G; BOEING DWG# 147A1047 AND SOPM 20-43-03.<BR>OK TO APPLY PRIMER.;[05] CORRECTIVE ACTION FOR STEP 4; (COMPLETING INFORMATION) STRINGER CLIP FABRICATED IN ACCORDANCE WITH BOEING DWG# 147A7580; REFER TO ATS BUILD RECORD 914699-SWA.;[06] VERIFIED CORRECTIVE ACTIONS 4 AND 5. OK TO PRIME.;[07] APPLIED PRIMER TO NEW ANGLE PER SOPM 20-41-02. OK TO INSTALL NEW PART.;[08] VERIFIED CORRECTIVE ACTION 7; OK TO INSTALL;[09] INSTALLED STRINGER CLIP AT ACB BEHIND BS 947 STR 26L PER SRM 51-40-02-0G-0 AND BOEING DWG. 147A1047.;[10] VERIFIED CORRECTIVE ACTION #9<BR>VERIFIED MEASUREMENT TABLE; ITEM 20 IS INCORRECT;[11] EDITED MEASUREMENT TABLE;[12] MEASUREMENT TABLE VERIFIED<BR>TASK COMPLETE

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