# SDR UALA2012011700363

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 16, 2012
- Submitted: January 20, 2012
- Operation: Air carrier
- Aircraft: [N826UA](https://openairdocs.org/aircraft/N826UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 989
- Aircraft time: 43,072 hours, 17,443 cycles
- Engine: Iae V2522A5
- System (JASC): [3457 · Global Positioning System](https://openairdocs.org/jasc/3457)
- Part: Sealant
- Condition: Deteriorated
- Location: Gps Antenna
- Stage of operation: IN
- 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/UALA2012011700363

## Discrepancy

IN CRUISE LOUD HUMMING DEVELOPED IN CEILING ABOVE DOOR 1R.  VIEWED ABOVE DUCTS AND FOUND NO OBSTRUCTIONS OR DETERIORATED DUCTING.  RE-ATTACHED DUCTS.  ACCMP'D CH2296, NOTHING FOUND.  SEALANT ON UPPER GPS ANTENNAS DETERIORATED.  REPLACED ANTENNAS AND RESEALED.

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