# SDR QMLRMD7081

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 16, 2010
- Submitted: December 17, 2010
- Operation: Air carrier
- Filed by: [Air Methods LLC, repair station QMLR253U](https://openairdocs.org/faa-repair-station/QMLR253U/air-methods-llc.md) (OpenAirDocs)
- Aircraft: N407LL
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53561
- Aircraft time: 3,452 hours, 9,753 cycles
- Engine: Allsn 250C47B
- Engine time: 3,232 hours, 7,725 cycles
- System (JASC): [2510 · Flight Compartment Equipment](https://openairdocs.org/jasc/2510)
- Part: Seat Frame
- Condition: Chafed
- Location: Cockpit
- 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/QMLRMD7081

## Discrepancy

THE 3 CREW SEAT BACK FRAMES EACH HAVE 2 CROSS TUBES EACH OF WHICH THE TUBE WALL THICKNESS HAS BEEN REDUCED BY ABRAISON AGAINST MATING ACFT STRUCTURE.  EACH AREA OF ABRASION VAIRIES IN WIDTH FROM APPROX 2 TO 3 INCHES WIDE.

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