# SDR UIEA2014031100101

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 10, 2014
- Submitted: March 11, 2014
- 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: 73,863 hours, 15,560 cycles
- System (JASC): [4970 · APU Indicating System](https://openairdocs.org/jasc/4970)
- Part: Thermocouple
- Part number: 38760274
- Part serial: 1115027701662
- Condition: Faulty
- Location: Apu
- Stage of operation: IN
- How discovered: C
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2014031100101

## Discrepancy

EICAS MX MSG, APU BITE, LRU FAULTED NR 2 EGT CIRCUIT.  PERFORMED APU BITE IAW 49-11 FAULT TREE 958 MINI FLAG 12, FAULTED LRU NR 2 EGT CIRCUIT.  R & R RT SIDE THERMOCOUPLES POSITION TS7 UPPER & TS7 LOWER IAW AMM 49-71-01-401.  SN OFF UPPER 1115027701662, SN ON UPPER 08-20219-04976, SN OFF LWR 11150277-01630 & SN ON LOWER 052021901452.

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