# SDR 4AER20140916001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 16, 2014
- Submitted: September 16, 2014
- Operation: General aviation
- Filed by: [Aersale Inc, repair station 4AER685B](https://openairdocs.org/faa-repair-station/4AER685B/aersale-inc.md) (OpenAirDocs)
- Aircraft: [N134AS](https://openairdocs.org/aircraft/N134AS), registered now
- Make and model: Boeing 737-400
- Registry model: [Boeing 737-400](https://openairdocs.org/model/boeing-737-400) (OpenAirDocs)
- Aircraft serial: 25314
- Aircraft time: 58,640 hours, 36,434 cycles
- System (JASC): [5314 · Fuselage Main, Keel](https://openairdocs.org/jasc/5314)
- Part: Keelbeam
- Part number: 6543867
- Condition: Cracked
- Location: Zone 100
- Part time: 58,640 hours, 36,434 cycles
- 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/4AER20140916001

## Discrepancy

DURING MAINTENANCE CHECK, FOUND A CRACK ON THE LT KEELBEAM WEB BETWEEN BS 620 AND BS 630.  OPEN

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