# SDR UIEA2021020500233

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 5, 2021
- Submitted: February 8, 2021
- Operation: Air carrier
- Aircraft: [N1487A](https://openairdocs.org/aircraft/N1487A), registered now
- Make and model: Boeing 767-31K
- Registry model: [Boeing 767-31K](https://openairdocs.org/model/boeing-767-31k) (OpenAirDocs)
- Aircraft serial: 28865
- Aircraft time: 89,199 hours, 18,516 cycles
- Engine: Ge CF680C2B7F
- System (JASC): [7510 · Engine Anti-Icing System](https://openairdocs.org/jasc/7510)
- Part: Pressure Switch
- Part number: 21SN4184
- Part serial: T21042A
- Condition: Malfunctioned
- Location: Rt Eng Anti Ice
- Stage of operation: IN
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2021020500233

## Discrepancy

RIGHT ENG TAI EICAS MESSAGE.(<P>TRANSFERRED TO MEL 30-21-01-04-02, MDDR 141976, CAT "C". DUE DATE 15FEB21. T&I TJ: 21:42Z.</P><P>05JAN, RIV, LP 1246922, ITEM M3: REMOVED AND REPLACED RT ENGINE ANTI-ICE VALVE IAW AMM 30-21-03. OPS CHECK IS GOOD AT THIS TIME. IT DID NOT FIX THE PROBLEM. DMI REMAINS OPEN, REF TO ITEM M4 FOR CONTINUATION. P/N OFF: 2790583-108, S/N OFF: 4273F.</P><P>LP 1246923, ITEM M4: FOUND PIN 1 DAMAGED ON R/H ENG TAI PRESS SWITCH. REMOVED AND REPLACED R/H TAI PRESS SWITCH IAW AMM 30-21-01. OPS CHECK GOOD, NO DEFECTS NOTED AT THIS TIME. THIS CLEARS DMI# 141976. PLACARDS REMOVED, MCC NOTIFIED. HPSOV REACTIVATED IAW AMM 36-00-00-440. DISPATCH: SD @ 21:05Z.</P>)

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