# SDR SWAA2020070192730

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 16, 2020
- Submitted: July 1, 2020
- Operation: Air carrier
- Aircraft: [N7737E](https://openairdocs.org/aircraft/N7737E), registered now
- Make and model: Boeing 737-7BD
- Registry model: [Boeing 737-7BD](https://openairdocs.org/model/boeing-737-7bd) (OpenAirDocs)
- Aircraft serial: 33929
- Aircraft time: 45,001 hours, 22,509 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Rib
- Condition: Cracked
- Location: Lt Horiz 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/SWAA2020070192730

## Discrepancy

LT HORIZONTAL STABLIZER RIB NR 5 STA 129.50 IS CRACKED AT FWD LWER END.  REPAIRED LT HORIZONTAL STABILIZER RIB NR 5 AT STA 129.5 AS PER REF RES NO 2016026-2 AND EA 20-155-00849 REV IR; THIS REPAIR HAS FIRST STAGE APPROVAL.  CONTACT STRUCTURE ENGINEERING FOR SECOND AND THIRD STAGE APPRVAL AT THRESHOLD OF 540 DAYS.

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