# SDR QMLA2014121614140

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 16, 2014
- Submitted: December 18, 2014
- Operation: Air carrier
- Aircraft: [N407TX](https://openairdocs.org/aircraft/N407TX), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53892
- Aircraft time: 3,035 hours, 10,056 cycles
- Engine: Allsn 250C47B
- Engine time: 3,686 hours, 7,384 cycles
- System (JASC): [6210 · Main Rotor Blades](https://openairdocs.org/jasc/6210)
- Part: Blade
- Part number: 407015001137
- Part serial: A4396A4368
- Condition: Cracked
- Location: Main Rotor
- 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/QMLA2014121614140

## Discrepancy

DURING BLADE REMOVAL FOR A5451 INSPECTION, FOUND CRACKS IN EROSION TAPE ON LE OF TWO BLADES.  DETERMINED CRACKS WERE OUT OF LIMITS IAW MM.

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