A B737 ng captain manually activated the elevator trim and broke the first officer's hand as the tri...

Attributes
ACN	1205298
Time
Date	201409
Local Time Of Day	1801-2400
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Make Model Name	B737-700
Operating Under FAR Part	Part 121
Flight Phase	Initial Approach
Flight Plan	IFR
Component
Aircraft Component	Horizontal Stabilizer Control
Person 1
Function	Pilot Not Flying First Officer
Experience	Flight Crew Last 90 Days 250
Events
Anomaly	Aircraft Equipment Problem Less Severe Flight Deck / Cabin / Aircraft Event Illness

Narrative:

While on descent; passing 12;000' at night windshield shattered. Ran QRH in compliance with all company policies. While I was putting away the QRH under the trim wheel shortly thereafter; captain disengaged autopilot and instinctively activated trim while my hand was still near trim wheel. Result: fractured left hand of first officer.factors: I don't think he saw my hand down there. I had just said 'checklist complete;' and I can't remember if he said 'autopilot off' or not. Both of those statements could have triggered an extra level of caution; but honestly; it has never held that meaning for me before in this context. Fairly busy in approach stage of flight (radios; configuration; running checklists).

Original NASA ASRS Text

Title: A B737 NG Captain manually activated the elevator trim and broke the First Officer's hand as the trim wheel turned while he stowed the QRH checklist away under the wheel following its use for a shattered windshield.

Narrative: While on descent; passing 12;000' at night windshield shattered. Ran QRH in compliance with all Company policies. While I was putting away the QRH under the trim wheel shortly thereafter; Captain disengaged autopilot and instinctively activated trim while my hand was still near trim wheel. RESULT: Fractured left hand of First Officer.FACTORS: I don't think he saw my hand down there. I had just said 'checklist complete;' and I can't remember if he said 'autopilot off' or not. Both of those statements could have triggered an extra level of caution; but honestly; it has never held that meaning for me before in this context. Fairly busy in approach stage of flight (radios; configuration; running checklists).

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.

A B737 ng captain manually activated the elevator trim and broke the first officer's hand as the trim wheel turned while he stowed the QRH checklist away under the wheel following its use for a shattered windshield.