# SDR SWAA2022020754497

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 20, 2021
- Submitted: February 7, 2022
- Operation: Air carrier
- Aircraft: [N454WN](https://openairdocs.org/aircraft/N454WN), registered now
- Make and model: Boeing 737*
- Aircraft serial: 29851
- Aircraft time: 59,747 hours, 35,307 cycles
- System (JASC): [5314 · Fuselage Main, Keel](https://openairdocs.org/jasc/5314)
- Part: Angle
- Condition: Cracked
- Location: Fuselage
- Stage of operation: UK
- 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/SWAA2022020754497

## Discrepancy

KEEL BEAM AFT L/H CORNER ATTACHED ANGLE CRACKED AFT OF LT. W/W CUTOUT STA 727 MKD DOT 008 ; / [01] REMOVED ANGLE AT KEEL BEAM AFT LEFT CORNER OF LEFT W/W AS PER REF B737-700 SRM 51-40-02-0G-0; [02] FABRICATED ANGLE AT KEEL BEAM AFT LEFT CORNER OF LEFT W/W AS PER DWG 149A7692. MATERIAL USED 2024-O<BR>0.050' CLAD;[18] INSTALLED NEW ANGLE AND NEW T-CLIP AT KEEL BEAM AFT LEFT CORNER OF LEFT W/W CUTOUT STA 727 AS PER REF B737-700 SRM 51-40-02-0G-0. AND DWG # 149A7610; [19] VERIFIED STEP 18. OK TO INSTALL FAIRING REMOVED IN STEP 8.; [20] REINSTALLED FAIRING REMOVED IN STEP 8 AS PER REF B737-700 SRM 51-40-02-0G-0; [21] VERIFIED STEP 20.

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