Service difficulty report · None · Boeing 737

Difficulty date
March 2, 2022
Submitted
March 31, 2022
Operation
Air carrier
Aircraft
N763SW
Make and model
Boeing 737
Aircraft serial
27877
Aircraft time
74,817 hours, 44,183 cycles
Part
None
Condition
Cracked
Location
Fwd Cargo Bay
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 L/H STRINGER 26. / CRACK ON FCB STR 26 L/H BS 536 ; STRINGER DAMAGE FOUND TO BE OUT LIMITS IAW SRM 53-00-03-1A-1 FIG 103;[02] INSPECTED & VERIFIED CORRECTIVE ACTION ITEM 1.;[03] VERIFIED APPLICABILITY FOR STR 26 L/H IAW SRM 53-00-03-2R-1 FIG 205.;[04] REMOVED DAMAGE BY TRIMMING OUT STRINGER SECTION AT BS 500D+11' TO 536 STR 26L. IAW SRM 53-00-03-2R-1 PAR. 4. STEP A -B.;[05] VERIFIED CORRECTIVE ACTION 3 AND 4.;[06] HFEC INSPECTED OPEN HOLES IAW 737 NDTM PART 6 51-00-00 PROCEDURE 16; NO CRACKS NOTED. <BR>EQUIP USED: NORTEC 600 ID: ATS1465 EQUIP USED: MINIMITE ID: ATS240;[07] CORRECTION : HFEC INSPECTED CUT EDGE IAW 737 NDTM PART 6 51-00-00 PROCEDURE 23; NO CRACKS NOTED. EQUIP USED: NORTEC 600 ID: ATS1465;[08] RECEIVED; AND VERIFIED FOR STRINGER SECTION HFAB53-STS-011 FORMED; HEAT TREATED AND DRY PEN INSPECTED ; LOCATED BTW B/S 500D+10'-540 STR 26 L/H ON CUSTOMER RO NO :859020-SWA PO: 859020/1 AND HAT SECTION :HFAB53-HS-011 LOCATED BTW B/S 500D-520 CUSTOMER RO NO :859021-SWA RECEIPT #1484330<BR>LOCATED AND DRILLED IAW SRM 53-00-03-2R-1 REPAIR 1 AND DWG 143A3230 REV:;[09] VERIFIED CORRECTIVE ACTION 8. OK TO TREAT AND PRIME.;[10] APPLIED CHEMICAL CONVERSION COATING AND PRIMER ON REPAIR PARTS IAW SRM 53-00-03-2R-1 INSTALLED REPAIR PARTS AT FCB BS 500D+5' TO BS 536 STR 26 L/H IAW SRM 53-00-03-2R-1 FIG 205.