What was found
AIRCRAFT RETURNED TO FIELD DUE TO RMU NR 1 REVERTING TO PREVIOUSLY ENTERED FREQUENCY IN STANDBY MODE AND RMU NR 2 FREEZING DURING CLIMBOUT. MAINTENANCE REPLACED THE NR 2 RMU WITH NO FURTHER DEFECTS NOTED.
- Difficulty date
- March 9, 2010
- Submitted
- March 11, 2010
- Operation
- Air carrier
- Aircraft
- N291SK
- Make and model
- Emb EMB145LR
- Aircraft serial
- 145486
- Aircraft time
- 21,346 hours, 17,321 cycles
- Engine
- Allsn AE3007A
- Engine time
- 17,059 hours, 14,218 cycles
- System (JASC)
- 2312 · VHF Communications System
- Part
- Rmu
- Part number
- 7013270965
- Part serial
- 00082299
- Condition
- Frozen
- Location
- Nr 2
- Part time
- 5,517 hours, 5,288 cycles
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.