# SDR ALG2003F00022

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 16, 2003
- Submitted: February 13, 2003
- Operation: Air carrier
- Aircraft: [N607AL](https://openairdocs.org/aircraft/N607AL), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53264
- Engine: Allsn 250C47B
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Line
- Part number: 407076011101
- Condition: Leaking
- Location: Hyd System
- Part time: 4,224 hours
- Stage of operation: IN
- How discovered: V
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ALG2003F00022

## Discrepancy

DURING POST FLIGHT.  DURING POST FLIGHT PILOT NOTICED EXCESSIVE AMOUNT OF RESIDUAL OIL ON THE LEFT SIDE OF THE FUSELAGE, THE MECHANIC FOUND THE T/R HYDRAULIC RETURN LINE (B) NUT WAS CRACKED, HE REMOVED AND REPLACED THE LINE.  AIRCRAFT WAS LEAK CHECKED AND RETURNED TO SERVICE.

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