# SDR HEEA979089

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 11, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N9213P
- Make and model: Doug MD 900
- Registry model: [Doug MD 900](https://openairdocs.org/model/mcdonnell-douglas-helicopter-md-900) (OpenAirDocs)
- Aircraft serial: 90000013
- System (JASC): [5302 · Rotorcraft Tail Boom](https://openairdocs.org/jasc/5302)
- Part: Tailboom
- Condition: Ice
- Location: Thruster Assy
- 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/HEEA979089

## Discrepancy

FOR INFORMATION ABOUT POSSIBLE ICE ACCUMULATION IN TAILBOOM.  DURING COMPLIANCE OF SB900-023, REMOVED THRUSTER ASSY FROM THE TAILBOOM AND FOUND A SECTION OF ICE IN TAILBOOM AT THRUSTER ASSY BREAKLINE APPROXIMATELY TWO FEET LONG, 8 INCHES WIDE ANDAPPROXIMATELY 1/2 - 3/4" THICK.  CHECKED DRAIN HOLE IN TAILBOOM IN THAT AREA AND FOUND TO BE CLEAR.  APPROXIMATELY TIME OF DAY AT FINDINGS 9:30 AM.  NIGHT BEFORE TEMPERATURE WAS IN LOW 20S.  INFORMATION ONLY TO MCDONNELL DOUGLAS.

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