# SDR DALA2018062804240

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 24, 2018
- Submitted: June 28, 2018
- Operation: Air carrier
- Aircraft: N921DN
- Make and model: Doug MD-90-30
- Registry model: [Doug MD-90-30](https://openairdocs.org/model/mcdonnell-douglas-md-90-30) (OpenAirDocs)
- Aircraft serial: 53583
- Aircraft time: 47,937 hours, 31,979 cycles
- System (JASC): [2720 · Rudder Control System](https://openairdocs.org/jasc/2720)
- Part: Rod
- Part number: NAS3544270
- Condition: Corroded
- Location: Rudder
- 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/DALA2018062804240

## Discrepancy

CORROSION ON ROD P/N NAS354-4-270 AND ROD-END P/N XREP3F4S181. ROD AND ROD-END 2EA WERE REPLACED PER AMM 27-26-01-420-801. ROD AND ROD-END 2EA WERE ADJUSTED PER AMM 27-26-01-820-801 FUNCTIONAL TEST OF THE RUDDER THROW LIMITER WAS PERFORMED PER MD90 AMM 27-26-01-720-801 TEST OK. (LP0616914)

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