What was found
NP AND TQ FLUCTUATE IN CLIMB AND ON APPROACH ON ENGINE NR 1. TQ 2 PERCENT, NP 0.8 PERCENT. INSTALLED SERVICEABLE LEFT PCU IAW MM 61-21-00. OPS CHECK GOOD. NO TORQUE FLUCTUATIONS OR LEAKS NOTED.
- Difficulty date
- February 28, 2002
- Submitted
- March 14, 2002
- Operation
- Air carrier
- Aircraft
- N393SW
- Make and model
- Emb EMB120ER
- Aircraft serial
- 120330
- Aircraft time
- 12,448 hours, 18,123 cycles
- System (JASC)
- 6120 · Propeller Controlling System
- Part
- Pcu
- Part number
- 78249046
- Part serial
- 910985
- Condition
- Malfunctioned
- Location
- Lt Prop
- Part time
- 3,737 hours, 5,304 cycles
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.