# SDR CA190411008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 9, 2019
- Submitted: August 17, 2020
- Operation: General aviation
- Make and model: Agusta AW139
- Registry model: [Agusta AW139](https://openairdocs.org/model/agustawestland-philadelphia-aw139) (OpenAirDocs)
- Aircraft time: 4,116 hours
- Engine: Pwa PT6*
- System (JASC): [7300 · Engine Fuel and Control](https://openairdocs.org/jasc/7300)
- Part: Drain Valve
- Part number: 3G2810V00551
- Condition: Inoperative
- Location: Fuel System
- Stage of operation: IN
- How discovered: 9
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA190411008

## Discrepancy

(CAN) DEFECT: RH FUEL DRAIN DRIPPING FUEL WHEN SAMPLED. RECTIFICATION: FOUND DRAIN VALVE MISSING FROM ASSEMBLY. DRAIN ASSEMBLY REPLACED REF 39-A-28-11-05-00A-720-A-A. SAFETY REPORT SUBMITTED BY MAINTENANCE PERSONNEL: C-XXXX HAD FUEL LEAK FROM RH FUEL TANK DRAIN VALVE. REMOVED U/S VALVE AND DISCOVERED POPPET SPRING MISSING. REPLACED VALVE ASSEMBLY, FUEL LEAK STOPPED. MAINTENANCE MANUAL ONLY MENTIONS SPRING IN A NOTE AND DOESN`T SHOW PROPER BREAKDOWN OF THE ASSEMBLY IN NEITHER THE AMP NOT THE IPD. REFER TO DOCUMENTS ATTACHED. (TC# 20190411008)

---
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.