# SDR AALA202007139012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 10, 2020
- Submitted: July 13, 2020
- Operation: Air carrier
- Aircraft: [N139AN](https://openairdocs.org/aircraft/N139AN), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6687
- Aircraft time: 15,541 hours, 5,886 cycles
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Computer
- Part number: 73390311
- Part serial: 733903IN04309
- Condition: Defective
- Location: Window Heat
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202007139012

## Discrepancy

AIRCRAFT WAS GROUNDED: CLIMBING THRU 15000 FIRST OFFICERS WINDSHIELD SHATTERED DUE TO A BIRD STRIKE. AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO SFO WHERE IT LANDED SAFELY WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND NO EVIDENCE OF A BIRD STRIKE, SUSPECTED WINDOW HEAT ISSUE. THE WINDSHIELD (AALA202007139002) AND WINDOW HEAT COMPUTER (AALA202007139012) WERE REPLACED WITH A SATISFACTORY OPERATIONAL CHECK PER TASK CARD 56-94-01 AND AMM 30-42-34.

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