# SDR QMLA2018052118061

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 21, 2018
- Submitted: May 23, 2018
- Operation: Air carrier
- Aircraft: N511SL
- Make and model: Agusta A119
- Registry model: [Agusta A119](https://openairdocs.org/model/agusta-a119) (OpenAirDocs)
- Aircraft serial: 14028
- Aircraft time: 3,163 hours, 12,780 cycles
- Engine: Pwa PT6*
- Engine time: 2,237 hours, 6,303 cycles
- System (JASC): [6520 · Tail Rotor Gearbox](https://openairdocs.org/jasc/6520)
- Part: Case
- Part number: 109044006105
- Part serial: H52454
- Condition: Damaged
- Location: T/R Gear Box
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QMLA2018052118061

## Discrepancy

ON REMOVING THE TAIL ROTOR GEARBOX COWLING TO PERFORM AN INSPECTION,  NOTED DAMAGE TO THE GEARBOX CASE CAUSED BY IMPROPER HARDWARE LOCATION. DAMAGE WAS NOTED TO BE 3.34MM DEEP.

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