Service difficulty report · Actuator · Boeing 737990ER

Difficulty date
September 11, 2019
Submitted
September 16, 2019
Operation
Air carrier
Aircraft
N413AS
Make and model
Boeing 737990ER
Aircraft serial
35205
Aircraft time
25,754 hours, 8,321 cycles
Part
Actuator
Part number
5416744
Part serial
12693
Condition
Failed
Location
Rt Ram Air
Part time
40,450 hours, 12,545 cycles
Stage of operation
NR
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

THE RIGHT PACK LIGHT ILLUMINATED WHEN PRESSING RECALL. ACCOMPLISHED QRH. LIGHT EXTINGUISHED WHEN RESETTING THE MASTER CAUTION. GROUNDED - YES. ACCOMPLISHED PACK TEMP CONTROL BITE PER FIM 21-62 TASK 801. TEST FAULT WITH RAM AIR ACTUATOR FAULT. RAM RAM DOOR STUCK IN FLIGHT POSITION. REMOVED AND REPLACED RAM AIR ACTUATOR PER AMM 21-51-21 OPS CHK GOOD.