N174AL

ABZ INNOVATION KFT ABZ INNOVAT L30-V2 · Rotorcraft · 4 engines · 0 seats · Valid Registration

Registered owner: HUBER SJHON R, OR (owner ≠ operator)

Operators of this aircraft

Who operated this tail, and how firmly we know it.

No operator established for this aircraft.

Accident & incident history

No NTSB accidents or incidents on file for this aircraft.

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.

14 reports on file, 1995-03-30 – 2004-08-25.

WARNING INDICATION · 2004-08-25 Matched by certificate designator
ATA 6220

Part: ROTOR — OVERTORQUED (MAIN)

IN A HOVER, WAS AT A HOVER ABOUT TO TAKE OFF WHEN EVERYTHING STARTED SPEEDING UP, LOOKED AT THE TORQUE GAUGE AND SAW 120 PERCENT TORQUE, IMMEDIATELY LOWERED THE COLLECTIVE AND LANDED, AS LOWERED THE COLLECTIVE AND EVERYTHING RETURNED TO NORMAL. MAINTENANCE IS COMPLYING WITH A OVERTORQUE INSPECTION IAW MM.

Source: SDR ALG2004F00047
Earlier reports · 1995–1999 · 13 reports

1999

OTHER · 1999-02-09 Unresolved
ATA 6210

Part: BLADE — CORRODED (MAIN ROTOR)

DISCOVERED DURING DAILY INSPECTION, CORROSION AND SEPARATION AT TIP.

Source: SDR 99ZZZX1224
OTHER · 1999-02-09 Unresolved
ATA 6220

Part: TRUNNION — CORRODED (M/R HUB)

SPLINES BADLY CORRODED. TRUNNION SCRAPPED AT 1/2 LIFE.

Source: SDR 99ZZZX1683

1997

OTHER · 1997-08-12 Unresolved
ATA 6320

Part: CASE ASSEMBLY — CORRODED (M/R GEARBOX)

TRANSMISSION REMOVED AND SENT TO COMPONENT SHOP FOR 4,500 HOUR OVERHAUL. EXCESSIVE CORROSION WAS FOUND ON MAIN CASE UNDER INPUT QUILL FLANGE. ALSO, UNDER OIL JET. THIS IS THE FIRST TIME THESE AREAS HAVE BEEN DISASSEMBLED SINCE NEW AIRCRAFT WAS DELIVERED FROM B.H.T. CAUSE: MOISTURE PRESENT IN THE UNPROTECTED MAGNESIUM. RECOMMEND THESE AND OTHER AREAS BE PROTECTED BY PRIMER WHEN THE TRANSMISSION CASE IS NEW.

Source: SDR 97ZZZX4425

1996

OTHER · 1996-11-07 Unresolved
ATA 6230

Part: LEVER ASSY — WORN (PYLON)

DAILY INSPECTION FOUND BUSHINGS AND BEARINGS WORN BEYOND LIMITS. PARTS REQUIRING REPLACEMENT: 4 EACH 206-010-338-001 SPACERS, 4 EACH 206-010-337-001 BEARINGS, 2 EACH 206-010-338-003 BUSHINGS, 2 EACH NAS6605D64 BOLTS, 1 EACH 206-010-470-101 BEARING. NORMAL USE CAUSES PARTS TO WEAR OUT TOO SOON. WORN PARTS TT 341.1 HOURS.

Source: SDR 97ZZZX220
OTHER · 1996-11-07 Unresolved
ATA 6230

Part: LINK IDLER — WORN (PYLON)

DAILY INSPECTION FOUND BUSHINGS AND BEARINGS WORN BEYOND LIMITS. PARTS REQUIRING REPLACEMENT: 4 EACH 206-010-338-001 SPACERS, 4 EACH 206-010-337-001 BEARINGS, 2 EACH 206-010-338-003 BUSHINGS, 2 EACH NAS6605D64 BOLTS, 1 EACH 206-010-470-101 BEARING. NORMAL USE CAUSES PARTS TO WEAR OUT TOO SOON. WORN PARTS TT 341.1 HOURS.

Source: SDR 97ZZZX221
OTHER · 1996-08-28 Matched by certificate designator
ATA 6210

Part: BLADE — CORRODED (M/R)

DURING DAILY INSPECTION FOUND BLADE SKIN CORROSION AND DELAMINATION AT BLADE TIP.

Source: SDR 97ZZZX234
OTHER · 1996-05-01 Unresolved
ATA 3213

Part: FITTING — CRACKED (FWD CROSSTUBE)

DURING SERVICE CHECK, NOTED FORWARD CROSSTUBE FITTING WAS CRACKED. FITTING WAS FOUND CRACKED IN THE SAME AREA AS REPORTED ON MDR SUBMITTED ON 2-7-94. THE FITTING WAS MANUFACTURED IN OCTOBER, 1992, WHICH IS DIFFERENT FROM THE PREVIOUSLY REPORTED CRACKED FITTINGS.

Source: SDR 96ZZZX3412
OTHER · 1996-01-10 Unresolved
ATA 6230

Part: LINK IDLER — WORN (PYLON)

DAILY INSPECTION FOUND BUSHINGS AND BEARINGS WORN BEYOND LIMITS. PARTS REQUIRING REPLACEMENT: 4 EACH 206-010-338-001 SPACERS, 4 EACH 206-010-337-001 BEARINGS, 2 EACH 206-010-338-003 BUSHINGS, 2 EACH NAS6605D64 BOLTS, AND 1 EACH 206-010-470-101 BEARING. SUSPECT NORMAL USE CAUSES PARTS TO WEAR OUT TOO SOON. WORN PARTS TT, 283.4 HOURS.

Source: SDR 96ZZZX2342
OTHER · 1996-01-10 Unresolved
ATA 6230

Part: LEVER ASSY — WORN (PYLON)

DAILY INSPECTION FOUND BUSHINGS AND BEARINGS WORN BEYOND LIMITS. PARTS REQUIRING REPLACEMENT: 4 EACH 206-010-338-001 SPACERS, 4 EACH 206-010-337-001 BEARINGS, 2 EACH 206-010-338-003 BUSHINGS, 2 EACH NAS6605D64 BOLTS, AND 1 EACH 206-010-470-101 BEARING. SUSPECT NORMAL USE CAUSES PARTS TO WEAR OUT TOO SOON. WORN PARTS TT, 283.4 HOURS.

Source: SDR 96ZZZX2341

1995

OTHER · 1995-08-30 Unresolved
ATA 6230

Part: LEVER ASSY — WORN (PYLON)

DAILY INSPECTION FOUND BUSHINGS AND BEARINGS WORN BEYOND LIMITS. PARTS REQUIRING REPLACEMENT: 4 EACH 206-010-338-001 SPACERS, 4 EACH 206-010-337-001 BEARINGS, 2 EACH, 206-010-338-003 BUSHINGS, 2 EACH NAS6605D64 BOLTS, 1 EACH 206-010-470-101 BEARING. WORN PARTS TT, 585.2.

Source: SDR 95ZZZX5461
OTHER · 1995-08-30 Unresolved
ATA 6230

Part: LINK IDLER — WORN (PYLON)

DAILY INSPECTION FOUND BUSHINGS AND BEARINGS WORN BEYOND LIMITS. PARTS REQUIRING REPLACEMENT: 4 EACH 206-010-338-001 SPACERS, 4 EACH 206-010-337-001 BEARINGS, 2 EACH, 206-010-338-003 BUSHINGS, 2 EACH NAS6605D64 BOLTS, 1 EACH 206-010-470-101 BEARING. WORN PARTS TT, 585.2.

Source: SDR 95ZZZX5462
OTHER · 1995-03-30 Unresolved
ATA 6230

Part: LEVER ASSY — WORN (PYLON)

DAILY INSPECTION FOUND BUSHINGS AND BEARINGS WORN BEYOND LIMITS. PARTS REQUIRING REPLACEMENT: 4 EACH 206-010-338-001 SPACERS, 4 EACH 206-010-337-001 BEARINGS, 2 EACH 206-010-338-003 BUSHINGS, 2 EACH NAS 6605D64 BOLTS, 1 EACH 206-010-470-101 BEARING. NORMAL WEAR CAUSES PARTS TO WEAR OUT TOO SOON. SPACERS, BUSHINGS, AND BEARINGS, TT 559.7.

Source: SDR 95ZZZX2229
OTHER · 1995-03-30 Unresolved
ATA 6230

Part: LINK IDLER — WORN (PYLON)

DAILY INSPECTION FOUND BUSHINGS AND BEARINGS WORN BEYOND LIMITS. PARTS REQUIRING REPLACEMENT: 4 EACH 206-010-338-001 SPACERS, 4 EACH 206-010-337-001 BEARINGS, 2 EACH 206-010-338-003 BUSHINGS, 2 EACH NAS 6605D64 BOLTS, 1 EACH 206-010-470-101 BEARING. NORMAL WEAR CAUSES PARTS TO WEAR OUT TOO SOON. SPACERS, BUSHINGS, AND BEARINGS, TT 559.7.

Source: SDR 95ZZZX2230