# SDR AC2R2016021801

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 18, 2016
- Submitted: February 18, 2016
- Operation: General aviation
- Filed by: [Chevron USA, Production Company Aviation Maintenan, repair station AC2R685K](https://openairdocs.org/faa-repair-station/AC2R685K/chevron-usa-production-company-aviation-maintenan.md) (OpenAirDocs)
- Aircraft: [N639NA](https://openairdocs.org/aircraft/N639NA), registered now
- Make and model: Agusta AW139
- Registry model: [Agusta AW139](https://openairdocs.org/model/agustawestland-philadelphia-aw139) (OpenAirDocs)
- Aircraft serial: 41326
- Aircraft time: 2,369 hours
- System (JASC): [2520 · Passenger Compartment Equipment](https://openairdocs.org/jasc/2520)
- Part: Seat
- Part number: 3G2520V00131
- Condition: Corroded
- Location: Cabin
- 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/AC2R2016021801

## Discrepancy

SEAT, PN: 3G2520V00131 HAS CORROSION WHERE SEAT BACK CUSHION, PN: 3G2520L00251 CONTACTS THE METAL WEBBING ATTACHED TO THE FRAME.  AFTER FURTHER INVESTIGATION IT HAS BEEN FOUND THAT OTHER SEAT BACK CUSHIONS ARE MFG WITH A DIFFERENT MATERIAL THAT CONTACTS THE WEBBING HAS NOT HAD THIS ISSUE.  10 OF THE 12 SEAT FRAMES ARE CORRODED ON THE WEBBING.

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