# SDR ASAA12511375

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 9, 2012
- Submitted: April 11, 2012
- Operation: Air carrier
- Aircraft: [N559AS](https://openairdocs.org/aircraft/N559AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35178
- Aircraft time: 21,124 hours, 6,410 cycles
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Nut
- Part number: MS21044N08
- Condition: Loose
- Location: R1 Wiper Blade
- 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/ASAA12511375

## Discrepancy

F/O WIPER BLADE FAILED MID WINDOW POSITION AFTER TAKE OFF.  RETURNED TO DEPARTURE.   FOUND WINDSHIELD WIPER BLADE LOOSE ON ARM.  RETORQUED WIPER BLADE NUT PER AMM 30-42-11-400-801, OPS CHECKED OK.

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