# SDR ASAA2018112197029

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 19, 2018
- Submitted: November 21, 2018
- Operation: Air carrier
- Aircraft: [N487AS](https://openairdocs.org/aircraft/N487AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 44108
- Aircraft time: 12,446 hours, 4,073 cycles
- System (JASC): [5610 · Flight Compartment Windows](https://openairdocs.org/jasc/5610)
- Part: Bearing
- Part number: BACB10HH04
- Condition: Binding
- Location: Window Handle
- Stage of operation: TX
- 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/ASAA2018112197029

## Discrepancy

DURING PREFLIGHT F/O NOTICED R-2 WINDOW HANDLE WOULD NOT DISENGAGE LOCK AND WINDOW WAS DIFFICULT TO OPEN, AND THEN WOULD NOT FULLY CLOSE. GROUNDED - YES. REMOVED F/O'S SLIDING WINDOW IAW B737-900 AMM 56-12-11. REPLACED LOWER FWD BEARING AND BOLT, ORIGINAL SHIM STACK INSTALLED. REF AMM 56-12-11. REINSTALLED WINDOW REF AMM 56-12-11. NO ADJUSTMENTS MADE, ALL OPS CHECKS OK.

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