# SDR ASAA1057962

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 16, 2010
- Submitted: June 21, 2010
- Operation: Air carrier
- Aircraft: [N559AS](https://openairdocs.org/aircraft/N559AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35178
- Aircraft time: 14,176 hours, 4,242 cycles
- System (JASC): [7720 · Engine Temperature Indicating System](https://openairdocs.org/jasc/7720)
- Part: Unknown
- Condition: Malfunctioned
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA1057962

## Discrepancy

WHILE ACCOMPLISHING FMC CDU T/C FOUND CODE 77 10842 THE TOP RIGHT EGT SIGNAL 9T495 S1) IS OUT OF RANGE FOR NR 2 ENGINE AND 77 10852 THE BOTTOM RIGHT EGT (T49552) IS OUT OF RANGE FOR NR 2 ENG.  FAULT CODES 77 10842 AND 77 10852 LOGGED IN FLIGHT LEG 1 ONLY.  FOLLOWED FIM 77 21 TASK 801 IN INITIAL EVALUATION FOUND CODE 73 10122 FOLLOWED FIM 73 21 TASK 801.  ACCOMPLISHED EEC TEST, NO FAULTS.  GROUND VERIFICATION TEST PASSED.

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