# SDR SWAA2021061470480

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 8, 2021
- Submitted: June 14, 2021
- Operation: Air carrier
- Aircraft: N7818L
- Make and model: Boeing 737-76N
- Registry model: [Boeing 737-76N](https://openairdocs.org/model/boeing-737-76n) (OpenAirDocs)
- Aircraft serial: 28609
- Aircraft time: 63,312 hours, 37,556 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/SWAA2021061470480

## Discrepancy

CRACK INSPAR RIB LOCATED STAB STA 120.30 AT 20 INCH FROM FRONT SPAR AT RT HORIZONTAL STABILIZER ; 2021-217186 / TOOL USED CALIPER P/N 700-113-10 S/N 0013356 DUE DATE 01-APR-22 RADIUS GAUGE P/N S167C S/N AE-28450 DUE DATE 17-JUN-21; PERFORMED REPAIRED INSPAR RIB LOCATED STAB STA 120.30 AT 20 INCH FROM FRONT SPAR AT RT HORIZONTAL STABILIZER I.A.W B737-700 SRM 55-10-09-2R-5 REPAIR 5 PART USED: KIT T-SECTION P/N:55100003-01.; COMPLETED

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