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 23. / [01] EVALUATED CRACK ON FCB STR 23 R/H BS 536 ; STRINGER DAMAGE FOUND TO BE OUT LIMITS IAW SRM 53-00-03-1A-1 FIG 103[17] INSTALLED NEW STRINGER SECTION AND HAT SECTION REPAIR BTW B/S 500D-540 STR 23R/H IAW SRM 53-00-03-2R-1 REPAIR 1 AND DWG 143A3250 REV:C AND 143A0060 REV:A;[18] UPDATE STPE 2 PARTIAL;[19] VERIFIED STEPS 2 AND 3 AND CORRECTIVE ACTION 17.;[20] UP DATED STEP 4 ; REQ. OK TO INSTALL RETACTABLE LANDING LIGHT R/H.;[21] VERIFIED STEP 4 PARTIAL; OK TO INSTALL.;[22] UPDATE STEP 4 PARTIAL;[23] VERIFIED STEP 4 PARTIAL.;[24] STATUS COMPLETED STEP 4.;[25] ENTRY PARTIAL STEP 1.;[26] COMPLETED STEP 1

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