What was found
RT RAM AIR LINLET AREA EMITTING A HUMMING SOUND. ACFT GROUNDED. REPLACED RT RAM AIR ACTUATOR IAW AMM 21-51-21.
- Difficulty date
- January 16, 2015
- Submitted
- January 20, 2015
- Operation
- Air carrier
- Aircraft
- N581AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35188
- Aircraft time
- 29,556 hours, 9,050 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Actuator
- Part number
- 5416744
- Part serial
- 12600
- Condition
- Malfunctioned
- Location
- Ram Air
- Part time
- 25,078 hours, 7,798 cycles
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.