Service difficulty report · Stringer · Boeing 7377H4

Difficulty date
June 27, 2021
Submitted
August 5, 2021
Operation
Air carrier
Aircraft
N750SA
Make and model
Boeing 7377H4
Aircraft serial
29802
Aircraft time
75,691 hours, 44,551 cycles
Part
Stringer
Condition
Cracked
Location
Bs 536 S26l
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

FCB STR-26L CRACKED IN DISTRIBUTION BAY AT BS 536 (MARKED) ; / [01] EVALUATED CRACK MEASUREMENTS ON FCB STRINGER 26L BS 536. STRINGER DAMAGE FOUND TO BE OUT OF LIMITS I.A.W SRM 53-00-03-1A-1 FIGURE 103; DETAIL A. [06] CUT AND REMOVED DAMAGED STRINGER SECTION BETWEEN BS 500D+10' TO BS 536; STR 26L. PER SRM 51-10-02; SRM 51-40-02; [07] VERIFIED CUT AND REMOVED DAMAGED STRINGER SECTION BETWEEN BS 500D+10' TO BS 536; STR 26L. PER SRM 51-10-02; SRM 51-40-02; [09] RECEIVED STRINGER SECTION P/N: HFAB53-STR-011; PO NUMBER: 829215 AND HAT SECTION P/N: HFAB53-HS-011; PO NUMBER: 829216. FABRICATED STRINGER SECTION FROM 7075-T62#0.045 CLAD LOT 1462866-1 AND HAT SECTION FROM 7075-T62#0.050 CLAD LOT: 1462648-1 IAW SRM 53-00-03-2R-1; [10] VERIFIED STRINGER AND REPAIR FABRICATION; [11] VERIFIED RECEIVING OF STRINGER SECTION P/N: HFAB53-STR-011; PO NUMBER: 829215 AND HAT SECTION P/N: HFAB53-HS-011; PO NUMBER: 829216<BR>VERIFIED FABRICATION OF STRINGER SECTION FROM 7075-T62#0.045 CLAD LOT 1462866-1 AND HAT SECTION FROM 7075-T62#0.050 CLAD LOT: 1462648-1 IAW SRM 53-00-03-2R-1; [12] OK TO CONVERSION COATING AND PRIME TO STRINGER SECTION AND HAT SECTION; [13] OK TO APPLY CHEMICAL CONVERSION COATING AND PRIMER TO STRINGER SECTION AND HAT SECTION

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