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
Fuselage
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

DAMAGE ON FWD CARGO BAY STRINGER AT BS 540 R/H STRINGER 22. / [01] EVALUATED CRACK ON FCB STR 22 R/H BS 536 ; STRINGER DAMAGE FOUND TO BE OUT LIMITS IAW SRM 53-00-03-1A-1 FIG 103;[12] FABRICATED AND LOCATED AND DRILLED NEW REPAIR PARTS AT FCB BTW BS 500D+6' TO BS 536 ON STR 22R/H A ; APPLIED CHEMICAL CONVERSION COATING ON REPAIR PARTS AND BARE SURFACES OF THE INITIAL PARTS IAW SRM 53-00-03-2R-1 PAR. 4 STEP D-I FIG . 206. AND EA NO: 22-153-00737 REV:A. REQUEST OK TO PRIMER.;[13] RECEIVED NEW STRINGER SECTION P/N: HFAB53-STS-011 ;PO/N: 860979/1.<BR><BR>FABRICATED AND LOCATED AND DRILLED NEW REPAIR PARTS AT FCB BTW BS 500D+6' TO BS 536 ON STR 22R/H ; APPLIED CHEMICAL CONVERSION COATING ON REPAIR PARTS AND BARE SURFACES OF THE INITIAL PARTS IAW SRM 53-00-03-2R-1 PAR. 4 STEP D-I FIG . 206. AND EA NO: 22-153-00737 REV:A. REQUEST OK TO PRIMER.;[14] VERIFIED CORRECTIVE ACTION #13;[15] APPLIED PRIMER ON REPAIR PARTS AND BARE SURFACES OF THE INITIAL PARTS IAW SRM 53-00-03-2R-1 PAR. 4 STEP J FIG . 206. AND EA NO: 22-153-00737 REV:A. REQUES OK TO INSTALL REPAIR PARTS.;[16] ENTRY PARTIAL STEP 1-3;[17] VERIFIED CORRECTIVE ACTION #15;[18] VERIFIED STEPS 1 AND 3.;[19] PARTIAL ENTRY STEPS 4-5.;[20] ENTRY PARTIAL STEPS 1;3;6.;[21] COMPLETED STEP1; 4; 5; 6 ; PARTIAL UPDATE TO STEP 2;[22] REPAIR PARTS INSTALLED WITH TTG8Q00BE6K0.<BR>ENTRY PARTIAL STEP.1;[23] STEP 2 COMPLETE;[24] ALLL STEPS COMPLETED;[25] VERIFIED ALL STEPS COMPLETE.

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