# SDR USAA990891

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 19, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N820US](https://openairdocs.org/aircraft/N820US), registered now
- Make and model: Doug DC-9-82
- Registry model: [Doug DC-9-82](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82) (OpenAirDocs)
- Aircraft serial: 49119
- System (JASC): [5280 · Landing Gear Doors](https://openairdocs.org/jasc/5280)
- Part: Rib
- Part number: 5930583186
- Condition: Cracked
- Location: Rt Mlg Door
- Part time: 47,144 hours
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA990891

## Discrepancy

PIT - DURING C2 CHECK, FOUND 3.5 CRACK IN RT MLG DOOR OUTER SKIN AT GROUND SKID RIB FRAME 4/5, NR 4 RIB CRACKED.  INSTALLED TYPICAL REPAIR TO FRAME RIB NR 4 PER EA 52695.  (M)

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