# SDR UIEA2021121402452

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 17, 2021
- Submitted: December 21, 2021
- Operation: Air carrier
- Aircraft: [N640GT](https://openairdocs.org/aircraft/N640GT), registered now
- Make and model: Boeing 767-3S1
- Registry model: [Boeing 767-3S1](https://openairdocs.org/model/boeing-767-3s1) (OpenAirDocs)
- Aircraft serial: 25221
- Aircraft time: 94,493 hours, 20,169 cycles
- System (JASC): [3000 · Ice/Rain Protection System](https://openairdocs.org/jasc/3000)
- Part: Switch
- Part number: 21SN4184
- Part serial: N270
- Condition: None
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2021121402452

## Discrepancy

DUE  TO MULTIPLE REPEATS  OF RT  ENG  TAI    "  STATUS  MESSAGE " PLEASE TROUBLESHOOT SYSTEM AS REQUIRED VALVE OPS OK  & PRESS.  SW  REPLACED  SEE  ITEM 01 ( LP 1484840 ) .(<P>REMOVED AND REPLACED #2 ENGINE INLET THERMAL ANTI - ICE SWITCH IAW AMM 30-21-01.</P> / <P>PENDING OPS CHECK. OPS CHECK NORMAL PER AMM  30-21-01 & AMM 71-00-00</P>)

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