# SDR HAIHEEA9850

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 13, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N9214U
- Make and model: Doug MD 900
- Registry model: [Doug MD 900](https://openairdocs.org/model/mcdonnell-douglas-helicopter-md-900) (OpenAirDocs)
- Aircraft serial: 90000014
- System (JASC): [6230 · Main Rotor Mast/Swashplate](https://openairdocs.org/jasc/6230)
- Part: Static Mast
- Part number: 900F2401021101
- Condition: Defective
- Location: M/R
- Part time: 426 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/HAIHEEA9850

## Discrepancy

ROUTINE INSPECTION.  FOUND NUMEROUS SMALL BUBBLES IN SILVER PLATING ON STATIC MAST.  BUBBLES OR BUMPS ARE 1/32" DIAMETER.

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