# SDR SWAA2021021741580

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 12, 2021
- Submitted: February 17, 2021
- Operation: Air carrier
- Aircraft: [N566WN](https://openairdocs.org/aircraft/N566WN), registered now
- Make and model: Boeing 737-7CT
- Registry model: [Boeing 737-7CT](https://openairdocs.org/model/boeing-737-7ct) (OpenAirDocs)
- Aircraft serial: 32753
- Aircraft time: 61,404 hours, 31,141 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Rib
- Condition: Cracked
- Location: Horizontal Stab
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2021021741580

## Discrepancy

CRACK INSPAR RIB 120.30 AT 36 INCH OF FRONT SPAR AT RT HORIZONTAL STABILIZER.  PERFORMED PERMANENT REPAIR ON INSPAR RIB 120.30 AT 36 INCH OF FRONT SPAR AT RT HORIZONTAL STABILIZER IAW B737-700 SRM 55-10-09-2R-5 REPAIR 5 FIGURE 204 MATERIAL USED SHEETS PN 7075-T6 0.010 PO 2019 552973 7075-T6 0.050 PO 2012 503669 7075T6-020 PO 2020 203308 ANGLE PN BAC1490-2738 PO 2019 527035 AND T SECTION KIT PN 55100003-01 BATCH SW 2020 002208.

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