# SDR CALA2014021090354

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 7, 2014
- Submitted: February 10, 2014
- Operation: Air carrier
- Aircraft: N104UA
- Make and model: Boeing 747422
- Aircraft serial: 26902
- Aircraft time: 66,033 hours, 7,633 cycles
- Engine: Pwa PW4056
- System (JASC): [3497 · Navigation System Wiring](https://openairdocs.org/jasc/3497)
- Part: Connector
- Condition: Dirty
- Location: Cockpit
- 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/CALA2014021090354

## Discrepancy

CAPTAIN & FIRST OFFICER`S PFD RADIO ALTITUDE READING OUT OF LIMITS.  CAPTAIN`S READS 2 &, FIRST OFFICER`S READS 2.  CLEANED LT TRANSMIT ANTENNA CONNECTOR & CLEANED RT TRANSMIT & RECEIVE ANTENNA CONNECTORS, NOW WITHIN TOLERANCE, GND TEST PASSED.

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