# SDR SWAA2021101115445

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 8, 2021
- Submitted: October 11, 2021
- Operation: Air carrier
- Aircraft: N760SW
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 27874
- Aircraft time: 73,521 hours, 43,731 cycles
- System (JASC): [5720 · Wing Miscellaneous Structure](https://openairdocs.org/jasc/5720)
- Part: Panel
- Part number: 561CB
- Condition: Cracked
- Location: Lh Wing
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2021101115445

## Discrepancy

CRACK ACCESS PANEL 561CB AROUND HOLES AT LT WING ; 2021-417654 / [01] EVALUATED ACCESS PANEL 561CB AT LT WING AND FOUND WITHIN LIMITS TO REPAIR AS PER B737-700 SRM 57-41-01-2R-1 REPAIR 1 PARA 2.B ITEM (2) AND SRM 51-70-04-2R-9 REPAIR 9 DAMAGE FASTENER HOLE 1) L=0.36 IN W=0.25 IN; 2) L=0.44 IN W=0.28 IN; 3) L=0.34 IN W=0.26 IN; 4) L=0.48 IN W=0.34 IN; 5) L=0.42 IN W=0.3 IN; 6) L=0.45 IN W=0.29 IN; 7) L=0.44 IN W=0.33 IN; 8) L=0.42 IN W=0.34 IN; 9) L=0.43 IN W=0.37 IN TOOL USED CALIPER P/N: 500-197-30 S/N: 15121550 DUE DATE 03-AUG-22; [02] STEP 1 COMPLETED; [03] REMOVED DAMAGE AND PREPARED THE REPAIR AREA AS PER B737-700 SRM 51-70-04-2R-9 REPAIR 9 PARA.4.A TO C AND B737-700 SRM 51-70-04-2R-0 REPAIR GENERAL PARA.4

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