Service difficulty report · Stringer · Boeing 7377H4

Difficulty date
March 2, 2022
Submitted
March 31, 2022
Operation
Air carrier
Aircraft
N763SW
Make and model
Boeing 7377H4
Aircraft serial
27877
Aircraft time
74,817 hours, 44,183 cycles
Part
Stringer
Condition
Cracked
Location
Fwd Cargo
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

CRACK ON FWD CARGO BAY STRINGER AT BS 540 R/H STRINGER 25. / [01] EVALUATED CRACK ON FCB STR 25 R/H BS 536 ; STRINGER DAMAGE FOUND TO BE OUT LIMITS IAW SRM 53-00-03-1A-1 FIG 103;[08] RECEIVED NEW STRINGER SECTION (1 EA ) P/N: HFAB53-STR-011 ; LOT:1484566-1 ; PO/N:859325/1 ; U CHANNEL SECTION ( 1 EA ) P/N: HFAB53-UC-011 ; LOT: 1484347-1 ; PO/N: 859323/1 ; J SECTION ( 2 EA ) P/N: HFAB53-JC-011 ; LOT: 1484350-1 ; PO/N: 859324/1.;[09] VERFIED APPLICABILITY FOR STRINGER 25R ON SRM 53-00-03-2R-1 FIG 206.<BR><BR>LOCATED AND DRILLED REPAIR PARTS AT FCB BTW BS 500D+5' TO BS 536 ON STR 25 R/H IAW SRM 53-00-03-2R-1 PAR. 4 STEPS D -I AND EA NO: 22-153-00694 REV:A . REQUIRED OK TO PRIMER.;[10] VERIFIED CORRECTIVE ACTION 9.;[11] APPLIED PRIMER AT REPAIR PARTS AND REPAIR AREA IAW SOPM 20-41-02; REQ OK TO INSTAL REPAIR PARTS;[12] VERIFIED CORRECTIVE ACTION 11.;[13] UPDTED STEP 1 ND 2 ;OK TO INSTALL;[14] VERIFIED STEPS 1 AND 2. AND CORRECTIVE ACTION 13.;[15] VERIFIED PARTIAL STEPS 1 AND 2.;[16] ENTRY PARTIAL 1 - 2.;[17] INSTALLED REAPAIR PARTS ON FCB BTW BS 500D+5' TO BS 536 ON STR 25 R/H IAW SRM 53-00-03-2R-1 FIG 206 AND EA 22-153-00694 REV:A.;[18] INSTALLED REAPAIR PARTS ON FCB BTW BS 500D+5' TO BS 536 ON STR 25 R/H IAW SRM 53-00-03-2R-1 FIG 206 AND EA 22-153-00694 REV:A. AND DWG 143A3230 REV: ; DWG 143A0060 REV:A;[19] VERIFIED STEPS 1 AND 2 AND CORRECTIVE ACTIONS 17 AND 18.;[20] REPAIRED STR 25R/H BS 540 IAW EA 22-153-00694 REV A;[21] INSPECTION COMPLETE

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