# SDR DALA2019111206612

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 12, 2019
- Submitted: November 13, 2019
- Operation: Air carrier
- Aircraft: [N821NW](https://openairdocs.org/aircraft/N821NW), registered now
- Make and model: Airbus A330-323
- Registry model: [Airbus A330-323](https://openairdocs.org/model/airbus-a330-323) (OpenAirDocs)
- Aircraft serial: 0865
- Aircraft time: 55,443 hours, 7,164 cycles
- System (JASC): [5343 · Fuselage, Landing Gear Attach Fittings](https://openairdocs.org/jasc/5343)
- Part: Lug
- Condition: Corroded
- Location: Mlg
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2019111206612

## Discrepancy

DURING M CHECK, WHEN PERFORMING EM 5753-01164 (A330 SB 57-3124 R3), CORROSION WAS FOUND AT BORE WALL AND BOTH SPOT FACES OF LH RIB 6 FWD LUG. CORROSION HAS BEEN REMOVED BY OVERSIZING AND SPOT FACING AS PER R575-58471 ISSUE D. THE BORE DIAMETER PRIOR TO THE FINISH CUT WAS 160.20MM WHICH EXCEEDS THE AIRBUS RI R575-58471 ISSUE D MAX BORE DIAMETER. FABRICATED FORWARD BUSH 'D' AND 'E' AND INSTALLED PER ER/A 582254-14AD. LP 1356201

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