# SDR ASAA2020021103144

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 10, 2020
- Submitted: February 12, 2020
- Operation: Air carrier
- Aircraft: N323AS
- Make and model: Boeing 737990
- Aircraft serial: 30021
- Aircraft time: 56,018 hours, 22,525 cycles
- System (JASC): [5610 · Flight Compartment Windows](https://openairdocs.org/jasc/5610)
- Part: Sliding Window
- Condition: Binding
- Location: R2
- Stage of operation: TX
- 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/ASAA2020021103144

## Discrepancy

UNABLE TO CLOSE FIRST OFFICERS R2 SLIDING WINDOW. GROUNDED - YES. AT FIRST OFFICER R2 WINDOW, FOUND LOWER ROLLER BEARING LOOSE. REMOVED R2 WINDOW, TIGHTENED LOWER ROLLER BEARING, THEN RE-INSTALLED R2 WINDOW. OPERATIONAL CHECKS GOOD, HEAT CHECK OF WINDOW HEAT GOOD. REF B737-900 AMM 56-12-11-300-802, 56-12-00-000-801/-400-801, AND 56-12-11-710-803.

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