# SDR V6NA20191230602

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 6, 2019
- Submitted: December 30, 2019
- Operation: Air carrier
- Aircraft: [N777QL](https://openairdocs.org/aircraft/N777QL), registered now
- Make and model: Lear 45LEAR
- Aircraft serial: 216
- Aircraft time: 6,498 hours, 4,745 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Part number: 45530030000
- Condition: Corroded
- Location: Bs 396
- Part time: 6,498 hours, 4,745 cycles
- 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/V6NA20191230602

## Discrepancy

AT SCHEDULED INSPECTION DISCOVERED CORROSION ON SKIN AFT OF LEFT MAIN LANDING GEAR WELL. REMOVED CORROSION AND DETERMINED REMAINING THICKNESS PER ULTRASONIC INSPECTION. REMAINING THICKNESS ACCEPTABLE PER FAA DER.

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