# SDR MTNA112011220001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 25, 2012
- Submitted: November 29, 2012
- Operation: Air carrier
- Aircraft: [N916FX](https://openairdocs.org/aircraft/N916FX), registered now
- Make and model: Aerosp ATR 42-300
- Registry model: [Aerosp ATR 42-300](https://openairdocs.org/model/aerospatiale-aeritalia-atr-42-300) (OpenAirDocs)
- Aircraft serial: 314
- Aircraft time: 24,443 hours, 27,173 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Line
- Condition: Damaged
- Location: Brake System
- Stage of operation: LD
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MTNA112011220001

## Discrepancy

INSPECTED LEFT HYDRAULIC LINE FROM PILOTS MASTER CYLINDER TO THE BRAKE METERING VALVE.  FOUND AREAS OF SUSPECTED PIN HOLD CORROSION IN AREA OF CARGO DOOR.  REPLACED 5 FT SECTION OF LINE BY CARGO DOOR IAW ATR42 JIC 20-23-13 BIED LINE IAW ATR42 JIC 32-42-00-BLD 10000.  OPS CHECK GOOD IAW ATR42 JIC 32-42-00 OPT 10000.  THE AIRCRAFT WAS RETURNED TO SERVICE.

---
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.