Service difficulty report · Bearing · Boeing 737990ER

Difficulty date
November 28, 2018
Submitted
November 30, 2018
Operation
Air carrier
Aircraft
N403AS
Make and model
Boeing 737990ER
Aircraft serial
41730
Aircraft time
24,233 hours, 7,975 cycles
Part
Bearing
Condition
Frozen
Location
Ram Air Inlet
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

RH PACK LIGHT ILLUMINATED IN CLIMB AND WOULD NOT RESET PER QRH PROCEDURES. GROUNDED - YES. TESTED THE RT RAM AIR INLET ACTUATOR AND DOOR MOVEMENT. FOUND FWD INLET DEFLECTOR DOOR STUCK IN OPEN POSITION. SHAFT BEARING ASSY'S FROZEN. REMOVED RT RAM AIR INLET DEFLECTOR DOOR SHAFT ASSY REF B737-900 AMM TASK 21-51-22-000-802. INSTALLED SERVICEABLE RT RAM AIR INLET DEFLECTOR DOOR SHAFT ASSY & SHAFT BEARINGS REF AMM 21-51-22-400-802. ACCOMPLISHED R/H RAM AIR INLET DEFLECTOR DOOR & MODULATION PANELS ADJUSTMENT REF AMM 21-51-22-400-803. ACCOMPLISHED FIM 21-53 TASK 802 NO FAULTS FOUND.