# SDR CA190801001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 29, 2019
- Submitted: August 17, 2020
- Operation: General aviation
- Make and model: Dhav DHC8311
- Aircraft time: 62,034 hours
- Engine: Pwa PW123
- Propeller: Hamstd 14SF15
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Hose
- Part number: DSC252B40124
- Condition: Leaking
- Location: Nlg
- Stage of operation: CL
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA190801001

## Discrepancy

(CAN) ON GEAR RETRACTION CREW REPORTED A BANG FROM NOSE AREA AND THEN THE ISO VALVE LIGHT CAME ON, #2 HYDRAULIC QUANTITY WENT DOWN, MAIN GEAR WENT UP NOSE DID NOT. CREW SELECTED GEAR DOWN NOSE WENT GREEN IMMEDIATELY AND MAINS CAME DOWN, AS PER QRH ALTERNATE EXTENSION COMPLETED. #2 HYDRAULIC SYSTEM HAD 1 QT. REMAINING. MAINTENANCE FOUND NOSE LANDING GEAR DRAG STRUT ACTUATOR HYDRAULIC LINE WITH A LARGE HOLE. HYDRAULIC LINE REPLACED AS PER 20-06-03 AMM AND LEAK CHECKS COMPLETED AS PER AMM 32-30-36. AIRCRAFT RETURNED TO SERVICE. HYDRAULIC LINE PN: DSC252B4-0124. AIRCRAFT HOURS:63469, AIRCRAFT CYCLES:81976. (TC# 20190801001)

---
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.