# SDR CA990728059

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 8, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Make and model: Beech 1900D
- Registry model: [Beech 1900D](https://openairdocs.org/model/beech-1900d) (OpenAirDocs)
- Engine: Pwa PT6A67D
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Line Cover
- Part number: 11458035517
- Condition: Cracked
- Location: Nlg Ww
- Part time: 4,532 hours
- Stage of operation: CL
- Nature of condition: E
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA990728059

## Discrepancy

(CAN) AFTER TAKEOFF, A METALLIC BANGING OR RATTLING NOISE WAS HEARD IN COCKPIT AND CABIN.  UPON INSPECTION, IT WAS DISCOVERED THAT THE HYDRAULIC LINE COVER IN THE NOSE WHEELWELL WAS SEVERELY CRACKED.  THE CRACKS ALLOWED THE PART TO VIBRATE AND CAUSE THE NOISE.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.