N41128
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| PETROLIUM HELICOPTERS, INC | Operator | on 2003-08-13 | Operator named in NTSB report |
Accident & incident history
Operated by Petrolium Helicopters Inc. (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.
60 reports on file, 1996-01-25 – 2003-07-07.
Part: TRUNNION — MISINSTALLED (TAIL ROTOR HEAD) · airframe 12,458 hrs
TAIL ROTOR TRUNNION INCORRECTLY ASSEMBLED. THERE IS EXCESSIVE END PLAY IN TRUNNION. SHOP REPAIR.
Part: BLADE — LIGHTNING STRIKE (MAIN ROTOR) · airframe 12,456 hrs
MAIN ROTOR BLADE INVOLVED IN LIGHTNING STRIKE. FOUND SOME SMALL AREA ALONG THE SEAM THAT APPEARS TO BE FROM LIGHTNING.
Part: BEARING — UNSTAKED (PIVOT ASSY)
UPPER BEARING UNSTAKED. REPLACED BEARING 206301051101 DUE TO WORN. REPAIRED.
Part: CONTROL ROD — CORRODED (TAIL ROTOR) · airframe 12,214 hrs
CONTROL ROD HAS SURFACE DAMAGE UNDER SLEEVE. SCRAPPED TAIL ROTOR CONTROL ROD DUE TO CORROSION.
Part: BATTERY — DISCHARGED (MAIN) · airframe 12,120 hrs
MAIN BATTERY VOLTAGE DROPPED TO SEVEN VOLTS. SCRAPPED.
Part: BATTERY — WEAK (MAIN)
MAIN BATTERY WEAK.
Part: BLADE — DEBONDED (MAIN ROTOR) · airframe 12,055 hrs
MAIN ROTOR BLADE SKIN AT THE TIP ON THE UPPER SIDE IS UNBONDED AND CORRODED.
Earlier reports · 1996–2002 · 53 reports
2002
Part: COMPUTER — MALFUNCTIONED (ENGINE)
INTELLASTART PROCESSOR INTERNAL BATTERY FAULT.
2001
Part: TRANSCEIVER — FAILED (VHF COMMS) · airframe 11,389 hrs
UNIT FAILED ALTITUDE CERTIFICATION. UNIT TRANSMITS IMPROPER CODES BETWEEN 700 AND 900 PA. PERFORMED PRELIMINARY INSPECTION. ADJUSTED TUBE FOR PROPER FREQUENCY BAND WIDTH. BENCH CHECK GOOD.
Part: BULKHEAD — CORRODED (FUSELAGE) · airframe 11,033 hrs
SEVERE CORROSION AT LATCH AREA WHERE SHIM WAS BONDED WITH ADHESIVE. REPLACED WITH SERVICEABLE ASSY.
Part: LINK — DAMAGED (M/R DRIVE) · airframe 11,033 hrs
MECHANICAL DAMAGE BEYOND LIMITS.
Part: LINK — DETERIORATED (M/R DRIVE) · airframe 11,033 hrs
BEARINGS SEPARATED AND DETERIORATED BEYOND LIMITS.
Part: LINK — DETERIORATED (M/ROTOR DRIVE) · airframe 11,033 hrs
BEARINGS SEPARATED AND DETERIORATED BEYOND LIMITS.
Part: SKID — CORRODED (MLG) · airframe 11,033 hrs
LT SKID TUBE CORRODED BEYOND LIMITS. REPLACED WITH SERVICEABLE CROSSTUBE.
Part: CROSSTUBE — CORRODED (MLG) · airframe 11,033 hrs
FWD CROSSTUBE CORRODED BEYOND LIMITS. REPLACED WITH SERVICEABLE CROSSTUBE.
Part: CROSSTUBE — CORRODED (MLG) · airframe 11,033 hrs
AFT CROSSTUBE CORRODED BEYOND LIMITS. REPLACED WITH SERVICEABLE CROSSTUBE.
Part: PAD — UNBONDED (BELLCRANK) · airframe 11,034 hrs
BUFFER PADS NEAR BEARINGS UNBONDED. REPLACED WITH SERVICEABLE PART.
Part: HOSE — CRACKED (HEATER) · airframe 11,033 hrs
FERRULE CRACKED ON HOSE. SCRAPPED AND REPLACED WITH SERVICEABLE UNIT.
Part: VALVE — CORRODED (CABIN HEAT) · airframe 11,034 hrs
CORRODED BALL BEARING AND SPRING. SCRAPPED AND REPLACED WITH SERVICEABLE UNIT.
Part: DISC PACK — CORRODED (T/R DRIVE SHAFT) · airframe 11,033 hrs
PITTED BEYOND LIMITS. REPLACED WITH NEW PARTS.
Part: DISC PACK — CORRODED (T/R DRIVE SHAFT) · airframe 11,033 hrs
PITTED BEYOND LIMITS. REPLACED WITH SERVICEABLE PART.
1999
Part: COLLECTOR — CRACKED (EXHAUST)
CRACKED EXHAUST COLLECTOR. REMOVED IN COMPLIANCE WITH CEBA72-3217 R-2. SERIAL NUMBERS REMOVED ARE MP03890 AND MP03914. REPLACED WITH SERIAL NUMBERS JJ02242 AND JJ02236.
Part: COLLECTOR — CRACKED (EXHAUST)
CRACKED EXHAUST COLLECTOR. REMOVED IN COMPLIANCE WITH CEBA72-3217 R-2.
Part: CARBON SEAL — LEAKING (COMPRESSOR)
INSTALLED NEW CARBON SEAL ASSY P/N 23004513, PRESSURE CHECKED NR 1 BEARING AREA, LEAKED. INSTALLED SECOND CARBON SEAL ASSY AND PRESSURE CHECKED.
Part: GPS — MALFUNCTIONED (COCKPIT)
GPS 150 LOSES WAY POINTS.
Part: FLOAT — FAILED TEST (MLG)
FLOAT BAG FAILED 6 MONTH FLOAT INSPECTION. PRESSURE CHECK. LEAKING FROM FORWARD LOWER RIGHT END.
Part: POWER SUPPLY — DEFECTIVE (STROBE)
FLASH SEQUENCE IS NOT NORMAL ON POWER SUPPLY.
Part: POWER SUPPLY — DEFECTIVE (STROBE)
FLASH SEQUENCE ON POWER SUPPLY IS NOT NORMAL.
Part: BATTERY — FAILED (DC SYSTEM)
BATTERY HAD NUMEROUS BURNT CELLS.
Part: COVER — TORN (FLOAT)
FLOAT COVER WORN AND TORN.
Part: INDICATOR — STICKS (TOT)
TOT INDICATOR HAS NO INDICATION DURING LIGHT-OFF, STICKS AND OSCILLATES THROUGHOUT.
Part: BUSHING — WORN (SWASHPLATE)
SWASHPLATE WORN. REPLACED BUSHINGS AND RETURNED SWASHPLATE ASSY TO SERVICE.
Part: BUSHING — WORN (SWASHPLATE)
SWASHPLATE WORN. REPLACED BUSHINGS AND RETURNED SWASHPLATE ASSY TO SERVICE.
Part: BUSHING — WORN (SWASHPLATE)
SWASHPLATE WORN. REPLACED BUSHINGS AND RETURNED SWASHPLATE ASSY TO SERVICE.
1998
Part: GPS — MALFUNCTIONED (COCKPIT)
TAKES EXCESSIVE TIME TO INITIATE SATELLITES.
Part: INDICATOR — FAILED (ENG OIL)
INDICATOR WAS REMOVED FROM BOWL AND CLEANED. INSTALLED INDICATOR BACK ON BOWL, TESTED AND INDICATOR STILL DIDN'T WORK.
Part: TRANSCEIVER — FAILED (COCKPIT)
INOPERATIVE. PERFORMED PRELIMINARY INSPECTION. FOUND UNIT NOT RECEIVING. REPLACED V101 CAVITY TUBE. REPAIRED, BUT FOUND UNIT OFF FREQUENCY. ADJUSTED V101 CAVITY TUBE, NO HELP. REPLACED V101 AGAIN, NO HELP. SWAPPED OUT HALVES OF UNIT, FOUND PROBLEM ON PRESELECTOR SIDE.
1997
Part: STOP ASSY — WORN (M/R XMSN)
STOP ASSY ELASTOMER WORN.
Part: GPS 150 — DEFECTIVE (COCKPIT GPS)
GPS WILL NOT SCROLL WAYPOINTS.
Part: LINK ASSY — BEARING WORN (XMSN MOUNT)
LINK ASSY BEARING WORN.
1996
Part: FITTING — MISLOCATED (TAILBOOM RT)
TAILBOOM FITTING MISLOCATED. FACE OF FITTING NOT PARALLEL WITH TAILBOOM FRAME. REPLACED WITH SERVICEABLE PART.
Part: ELEVATOR — CHAFED (ELEV LE OUTBD)
ELEVATOR LEADING EDGE CHAFED BEYOND LIMITS AT OUTBOARD END. REPLACED WITH SERVICEABLE PART.
Part: LINK ASSY — BEARING SEPARATE (XMSN MOUNT)
LOWER ELASTOMERIC BEARING SEPARATED BEYOND LIMITS. REPLACED WITH SERVICEABLE PART.
Part: FRAME — CRACKED (TAILBOOM)
FRAME CRACKED DUE TO MISLOCATED TAILBOOM FITTINGS. REPLACED WITH SERVICEABLE PART.
Part: ANGLE — MIS LOCATED (TAILBOOM)
ANGLE MISLOCATED. SEVERE GAP BETWEEN ANGLE AND TAILBOOM FITTING. REPLACED WITH SERVICEABLE PART.
Part: PANEL ASSY — MIS MFG (TAILBOOM)
RIVET PATTERN ON PANEL DOES NOT ALLOW PROPER EDGE DISTANCE FOR RIVETS ON CHANNEL. REPLACED WITH SERVICEABLE PART.
Part: ANGLE — HOLES ELONGATED (TAILBOOM)
RIVET HOLES FOR FITTING IN ANGLE ELONGATED. REPLACED WITH SERVICEABLE PART.
Part: FITTING — MIS LOCATED (TAILBOOM LT)
TAILBOOM FITTING MISLOCATED. FACE OF FITTING NOT PARALLEL WITH TAILBOOM FRAME. REPLACED WITH SERVICEABLE PART.
Part: ANGLE — MIS LOCATED (TAILBOOM)
ANGLE MISLOCATED. SEVERE GAP BETWEEN ANGLE AND TAILBOOM FITTING. REPLACED WITH SERVICEABLE PART.
Part: STOP ASSY — UNBONDED (XMSN MOUNT)
RUBBER BUMPER ON TOP OF STOP ASSY UNBONDED. REPLACED WITH SERVICEABLE PART.
Part: SUPPORT ASSY — CRACKED (OIL TANK)
OIL TANK SUPPORT ASSY CRACKED AND MISSING NUTPLATES. REPLACED WITH SERVICEABLE PART.
Part: SHAFT ASSY — BEARING ROUGH (T/R DRIVE)
DURING INSPECTION FOUND BEARINGS ROUGH. REPLACED WITH SERVICEABLE PART.
Part: ALTIMETER — ERRORS (COCKPIT)
ALTITUDE INDICATES 1300 FEET AT GROUND LEVEL.
Part: BEARING — CRACKED (T/R BLADE)
DISASSEMBLED T/R HUB AND BLADE ASSEMBLY FOR OVERHAUL. FOUND INBOARD BEARINGS CRACKED ON BLADE S/N CS4037 AND BLADE S/N CS4316. ALSO REPLACED 4 EACH SLEEVES P/N 206-010-733-003 AND 8 EACH SPACERS P/N 206-011-742-101.
Part: DISC SET — CORRODED (T/R DRIVE)
DISC SETS ARE CORRODED BEYOND LIMITS. REPLACED WITH SERVICEABLE DISC SETS.
Part: PUMP — WORN EXCESS (FUEL SYS)
FUEL PUMP IS WORN EXCESSIVELY. (WORN INTERNAL SPLINES)
Part: LATCH — MIS MFG (M/R)
BEVEL FOR LATCH BOLT NUT MACHINED WRONG (TOO SHALLOW)
Part: CHANNEL — MIS MFG (FUSELAGE)
CHANNEL FORWARD UPPER FLANGE HAS NO EDGE DISTANCE FOR RIVET INSTALLATION.
Part: FUEL PUMP — WORN (ENG)
FUEL PUMP WORN INTERNAL SPLINES.
Part: CHANNEL — MIS MFG (FUSELAGE)
FWD UPPER FLANGE HAS NO EDGE DISTANCE FOR RIVET INSTALLATION.