# SDR CALA2013092391340

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 21, 2013
- Submitted: September 27, 2013
- Operation: Air carrier
- Aircraft: [N780UA](https://openairdocs.org/aircraft/N780UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26944
- Aircraft time: 70,337 hours, 12,268 cycles
- Engine: Pwa PW4077
- System (JASC): [7722 · Engine EGT/TIT Indicating System](https://openairdocs.org/jasc/7722)
- Part: Nut
- Condition: Loose
- Location: Egt Probe
- Stage of operation: NR
- 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/CALA2013092391340

## Discrepancy

EGT PROBES RT ENGINE CH A SIGNAL IS OUT OF RANGE.  TIGHTEN LOOSE NUTS ON EGT PROBE IWA 77-21-01.  ACCOMPLISHED ENGINE RUN NO OTHER DISCREPANCIES OR ACTIVE FAULTS INDICATED.

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