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 S25r
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-25R CRACKED IN DISTRIBUTION BAY AT BS 536 (MARKED) ; / [01] EVALUATED CRACK MEASUREMENTS ON FCB STRINGER 25R BS 536. STRINGER DAMAGE FOUND TO BE OUT OF LIMITS I.A.W SRM 53-00-03-1A-1 FIGURE 103; DETAIL A; [02] VERIFIED; EVALUATED CRACK MEASUREMENTS ON FCB STRINGER 25R BS 536. STRINGER DAMAGE FOUND TO BE OUT OF LIMITS I.A.W SRM 53-00-03-1A-1 FIGURE 103; DETAIL A; [03] REMOVED FASTENERS COMMON TO STRINGER REPAIR AREA BETWEEN BS 500D - 540; STR 25R PER SRM 51-40-02.; [04] REMOVED STRINGER CLIP (FOM) PN 143A1010-84 BS 520; STR- 25R PER SRM 51-40-02.; [05] CUT AND REMOVED DAMAGED STRINGER SECTION BETWEEN BS 500D+12' TO BS 536; STR 25R. PER SRM 51-10-02.;

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