# SDR 99UAL900190

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 2, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N776UA](https://openairdocs.org/aircraft/N776UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26937
- Engine: Pwa PW4077
- System (JASC): [3020 · Air Intake Anti/De-Ice System](https://openairdocs.org/jasc/3020)
- Part: Hose
- Part number: 59T473
- Condition: Lose
- Location: Engine
- Stage of operation: TO
- Nature of condition: J
- Precautionary procedure: C, D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99UAL900190

## Discrepancy

EICAS ANTI-ICE R ON TAKEOFF ROLL WITH ENG ANTI-ICE SELECTED TO ON.  AIRCRAFT RETURNED TO BLOCKS.  *S/D*  MAINTENANCE FOUND EAI (ENGINE ANTI- ICE) VALVE MUSCLE LINE (59T473) B-NUT DISCONNECTED AT 6:00 POSITION.  SECURE SAME.  ALSO REPLACED PRESSURE SENSOR AS PRECAUTIONARY.  PERFORMED HIGH POWER ENGINE RUN CHECK.  ALL EAI VALVE INDICATIONS NOW NORMAL.

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