# SDR WP012001B2839

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 22, 2001
- Submitted: July 18, 2001
- Operation: Air carrier
- Aircraft: [N181W](https://openairdocs.org/aircraft/N181W), registered now
- Make and model: Bell 212
- Registry model: [Bell 212](https://openairdocs.org/model/bell-212) (OpenAirDocs)
- Aircraft serial: 35058
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Screw
- Part number: NAS1351332P
- Condition: Corroded
- Location: Hyd Pump
- Part time: 3,764 hours
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/WP012001B2839

## Discrepancy

RECEIVED HYDRAULIC PUMP PN 212-076-011-101, SN 253750 FOR OVERHAUL WITH THE FOUR SCREWS HOLDING THE PORT CAP THE HEADS WERE MISSING PN NAS1351-3-32P.  THE SCREW SHANK SHOW SIGNS OF HYDROGEN EMBRITTLEMENT AND RUST.

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