# SDR SWAA2021021543169

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 9, 2021
- Submitted: February 15, 2021
- Operation: Air carrier
- Aircraft: N406WN
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 27894
- Aircraft time: 66,898 hours, 39,718 cycles
- System (JASC): [5340 · Fuselage Main, Attach Fittings](https://openairdocs.org/jasc/5340)
- Part: Stringer Clip
- Condition: Cracked
- Location: Pax Cabin
- 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/SWAA2021021543169

## Discrepancy

CRACK TIE CLIP LOCATED ON STA277 AND STR10R AT PASSENGER CABIN / EVALUATED ALLOWABLE DAMAGE LIMITS OF TIE CLIP LOCATED ON STA STA277 AND STR 10R AT PASSENGER CABIN AND NO FOUND ALLOWABLE FOR CRACK ON SRM MADE TIE CLIP FROM BAC/493-852 P/N 2016 557447 IAW DWG 141A1252 REV - AND REPLACED IAW B737-700 SRM 51-10-02 ITEM 9 AND DRAWING 141A8380 SHEET 2 REV AND DRAWING 141A1110 SHEET 6 REV B

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