N241CH
Registered owner: TTX 2 LLC, NV (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| Columbia Helicopters Peru, S.A.C. | Operator | on 2013-01-07 | Operator named in NTSB report |
Accident & incident history
Operated by Columbia Helicopters Peru, S.A.C. (per NTSB report)
Maintenance disclosures
Service Difficulty Reports filed with the FAA for this airframe. Filing is largely voluntary — the number of reports is not a measure of reliability. To verify a report, search its control number at the FAA SDRS site.
3 reports on file, 1997-09-30 – 1998-06-13.
Part: PUMP — WORN (NR 2 ENGINE)
DURING TAKEOFF CHECK, PILOT NOTICED NR 2 FUEL PRESS 12 PSI LOWER THAN NR 1. THIS IS LOWER THAN IT NORMALLY OPERATES WITH ENG AT FLY AND BOTH FUEL TANK BOOST PUMPS ON. PILOT VERIFIED FUEL TANK BOOST PUMPS OPERATIONAL. VERIFIED FUEL PRESS IND READING PROPERLY. WHEN BOTH NR 2 FUEL TANK BOOST PUMPS WERE TURNED OFF, NR 2 FUEL PRESS WENT INTO YELLOW. REMOVED NR 2 ENG DRIVEN FUEL PUMP AND FND INPUT SHAFT COULD BE TURNED WITH NO MOVEMENT OF PUMP IMPELLER. REMOVED AND REPLACED FUEL PUMP. SHAFT SPLINES WORN ALLOWING IT TO DISENGAGE. MALE SPLINES OF THE SHAFT HAD SMALL AREA OF WEAR. LENGTH OF FEMALE SPLINES OF THE PUMP ARE SMALLER THAN LENGTH OF MALE SPLINES CAUSING WEAR TO BE CONCENTRATED ON A SMALL AREA. (X)
Part: SHOULDER BOLT — FAILED (ROTOR HEAD)
AFT ROTOR HEAD SHOULDER BOLT FAILED. SUBMITTER STATED 114R22012 IS THE IMPROVED BOLT THAT IS SUPPOSED TO PREVENT THIS TYPE OF FAILURE.
Part: ACTUATOR — MALFUNCTION (STICK BOOST)
ON START-UP, PILOT WAS DOING CONTROL CHECK AND NOTICED HE COULD NOT GET THE FULL TRAVEL AFT THAT IS NORMAL WHILE DOING THE CONTROL CHECKS. TROUBLESHOOTING REVEALED THAT IF ONLY ONE HYDRAULIC SYSTEM WAS SELECTED, THE ACTUATOR WOULD START BINDING AND NOT PERMIT FULL TRAVEL OF THE CYCLIC STICK FORWARD OR AFT. IF BOTH HYDRAULIC SYSTEMS WERE SELECTED, THERE WAS NO BINDING IN THE ACTUATOR. THERE WAS NO INDICATION OF A JAMMED ACTUATOR ACCORDING TO THE JAM INDICATOR BUTTONS. REPLACED ACTUATOR, CONTROL AND TRAVEL CHECKS WERE GOOD.