N6682D

Part: SUPPORT FITTING — CORRODED (BS 410) · airframe 76,448 hrs

DURING THE NIGHT'S RAMP INSPECTION, FOUND INTERGRANULAR CORROSION ON THE STATION 410 R/H SUPPORT FITTING.

Part: WIRE — CHAFED (FIRE WARNING) · airframe 72,725 hrs

#1 ENGINE F I RE WARNING LIGHT ILLUMINATED, BUT NO F I RE WAS PRESENT. AC RET U RNED T O BASE AT BAF. CHANGED #1 AFT L OWER F I RE EYE FOR C HAFED WI RE .SUPPLEMENTAL INFORMATION; THE DETECTORS IN THIS A/C HAVE BEEN REPLACED WITH P/N 477223 FLAME DETECTORS IAW COLUMBIA HELICOPTERS, INC. SERVICE BULLETIN NUMBER 107-26-S0004. DETAILS ARE ON FILE WITH OPERATOR CHIA823C. THIS SUPPLEMENTAL INFORMATION WILL BE REPEATED ON THE FOLLOWING SDR’S; CHIR20160608001, CHIR20161003001, CHIR20140217001, CHIR20140214001, CHIR20161006001. CHIR20161007001, CHIR20161008001, CHIR20161009001, CHIR20161121001, CHIR2879, CHIR3001092917, CHIR2957090717, CHIA201803163196, CHIA201810083560, CHIA201810063561, CHIA201907214031, & CHIA201907234035

Part: WIRE — NICKED (ZONE 400) · airframe 71,224 hrs

FIRE DETECTION WARNING LIGHT ILLUMINATED DURING FLIGHT. FAULTY PORTION OF THE NR 1 FIRE DETECTION SYSTEM WAS REPLACED FOR MULTIPLE NICKS IN THE WIRE SHIELDING AND SUSPECTED FAULTY SPLICES. NO FURTHER REOCCURRENCES HAVE BEEN REPORTED. FAULTY PORTIONS OF THE NR 1 FIRE DETECTION SYSTEM WAS REPLACED FOR MULTIPLE NICKS IN THE WIRE SHIELDING AND SUSPECTED FAULTY SPLICES. NO FURTHER REOCCURRENCES HAVE BEEN REPORTED. SUPPLEMENTAL INFORMATION; THE DETECTORS IN THIS A/C HAVE BEEN REPLACED WITH P/N 477223 FLAME DETECTORS IAW COLUMBIA HELICOPTERS, INC. SERVICE BULLETIN NUMBER 107-26-S0004. DETAILS ARE ON FILE WITH OPERATOR CHIA823C.

Part: WIRE — NICKED (ZONE 400) · airframe 71,222 hrs

NR 1 ENGINE FIRE LIGHT ILLUMINATED IN FLIGHT (FALSE ACTIVATION). INSPECTED SYSTEM. NO FAULTS FOUND. REPLACED FWD UPPER & LOWER DETECTORS FOR TROUBLESHOOTING. AIRCRAFT RETURNED TO SERVICE. FAULTY PORTION OF THE NR 1 FIRE DETECTION SYSTEM WAS REPLACED FOR MULTIPLE NICKS IN THE WIRE SHIELDING AND SUSPECTED FAULTY SPLICES. NO FURTHER REOCCURRENCES HAVE BEEN REPORTED. SUPPLEMENTAL INFORMATION; THE DETECTORS IN THIS A/C HAVE BEEN REPLACED WITH P/N 477223 FLAME DETECTORS IAW COLUMBIA HELICOPTERS, INC. SERVICE BULLETIN NUMBER 107-26-S0004. DETAILS ARE ON FILE WITH OPERATOR CHIA823C.

Part: WIRE — NICKED (FIRE DETECTION) · airframe 71,218 hrs

NR 1 ENGING FIRE DETECTION LIGHT ILLUMINATED DURING FLIGHT. INSPECTED SYSTEM. NO FAULTS FOUND. REPLACED BOTH AFT UPPER & LOWER FIRE DETECTORS. SYSTEM TESTED. AIRCRAFT RETURNED TO SERVICE. FAULTY PORTION OF THE NR 1 FIRE DETECTION SYSTEM WAS REPLACED FOR MULTIPLE NICKS IN THE WIRE SHIELDING AND SUSPECTED FAULTY SPLICES. NO FURTHER REOCCURRENCES HAVE BEEN REPORTED. SUPPLEMENTAL INFORMATION; THE DETECTORS IN THIS A/C HAVE BEEN REPLACED WITH P/N 477223 FLAME DETECTORS IAW COLUMBIA HELICOPTERS, INC. SERVICE BULLETIN NUMBER 107-26-S0004. DETAILS ARE ON FILE WITH OPERATOR CHIA823C.

Part: WIRE — NICKED (FIRE DETECTION) · airframe 71,216 hrs

DURING CRUISE FLIGHT, THE NR 1 ENGINE FIRE DETECTION LIGHT FALSE ACTIVATED. SYSTEM INSPECTED. NO FAULTS FOUND. CHANGED THE SYSTEM AMPLIFIER FOR TROUBLESHOOTING. ACFT RETURNED TO SERVICE. FAULTY PORTION OF THE NR 1 FIRE DETECTION SYSTEM WAS REPLACED FOR MULTIPLE NICKS IN THE WIRE SHIELDING AND SUSPECTED FAULTY SPLICES. NO FURTHER REOCCURRENCES HAVE BEEN REPORTED. SUPPLEMENTAL INFORMATION; THE DETECTORS IN THIS A/C HAVE BEEN REPLACED WITH P/N 477223 FLAME DETECTORS IAW COLUMBIA HELICOPTERS, INC. SERVICE BULLETIN NUMBER 107-26-S0004. DETAILS ARE ON FILE WITH OPERATOR CHIA823C.

Part: WIRE — NICKED (ZONE 400) · airframe 71,199 hrs

NR 1 ENGINE FIRE WARNING LIGHT ILLUMINATED DURING FLIGHT. FALSE FIRE WARNING. FAULTY PORTION OF THE NR 1 FIRE DETECTION SYSTEM WAS REPLACED FOR MULTIPLE NICKS IN THE WIRE SHIELDING AND SUSPECTED FAULTY SPLICES. NO FURTHER REOCCURRENCES HAVE BEEN REPORTED. SUPPLEMENTAL INFORMATION; THE DETECTORS IN THIS A/C HAVE BEEN REPLACED WITH P/N 477223 FLAME DETECTORS IAW COLUMBIA HELICOPTERS, INC. SERVICE BULLETIN NUMBER 107-26-S0004. DETAILS ARE ON FILE WITH OPERATOR CHIA823C

Part: TRANSMITTER — FALSE INDICATION (FUEL SYSTEM) · airframe 71,151 hrs

NR 2 FUEL PRESSURE READING FLUCTUATES AT SHUT DOWN. FOR TROUBLESHOOTING. INSTALLED 5 SEPERATE FUEL PRESSURE INDICATORS. THE FIRST INDICATOR INSTALLED P/N: SRD-3F S/N:30 SHOWED NO INDICATION OF WORKING. THE NEEDLES DID NOT MOVE. THE NEXT 4 INDICATORS ALL READ APPROXIMATLY 180 DEGREES OUT. THE ISSUE ENDED UP BEING A FAULTY FUEL PRESSURE TRANSMITTER. CONFIRMED ISSUE WAS WITH A PIECE OF TEST EQUIPMENT WHICH HAS BEEN REMOVED. CURRENT AND FUTURE TESTING DONE WITH ANOTHER TEST PANEL WHICH HAS GONE THROUGH EXTENSIVE TESTING TO ENSURE UNITS MEET MFR. SPECS.

Part: GARLOCK SEAL — FAILED (BLOWER DRIVE) · airframe 70,510 hrs

DURING AN INSPECTION, MECHANIC REMOVED AFT TRANSMISSION LUBE FILTER AND NOTICED LARGE METALLIC CHIPS IN THE FILTER HOUSING AND ON THE FILTER PACKS. DISASSEMBLED FILTER AND FOUND MORE CHIPS. REMOVED BLOWER DRIVE SHAFT AND INPUT COVER ON THE TRANSMISSION TO DETERMINE WHETHER THE CHIPS CAME FROM THE BLOWER INPUT SEAL ON THE TRANSMISSION. IT WAS DETERMINED THE RING INSIDE THE SEAL THAT'S CONNECTED TO METAL TABS TO KEEP THE SEAL TIGHT AROUND THE BLOWER INPUT WAS DAMAGED. REPLACED AFT TRANSMISSION.

Part: SEAL — FAILED (MIX BOX) · airframe 70,203 hrs

DURING DIS-ASSEMBLY OF A 107 AFT & MIX BOX TRANSMISSION, METAL TABS WERE FOUND IN THE AFT TRANSMISSION FILTER. FURTHER DIS-ASSEMBLY & INSPECTION REVEALED THE METAL TABS CAME FROM THE BLOWER DRIVEN ASSEMBLY OIL SEAL. THE SEAL TABS WERE ALL BROKEN UP INDIVIDUALLY & WERE FOUND IN THE BLOWER DRIVEN HOUSING IN ADDITION TO AFT TRANSMISSION FILTER. NO OTHER TABS WERE FOUND IN ANY OF THE OTHER ASSEMBLIES OR HOUSINGS.

Part: FIRE DETECTOR — FALSE ACTIVATION (NR 2 ENGINE) · airframe 69,270 hrs

NUMBER 2 ENG FIRE WARNING SYS ILLUMINATED IN FLIGHT, FALSE FIRE WARNING.

Part: FIRE WARNING — FALSE ACTIVATION (COCKPIT) · airframe 69,256 hrs

NUMBER 2 ENG FIRE WARNING SYS ILLUMINATED IN FLIGHT, FALSE FIRE WARNING.

Part: WIRE — DAMAGED (FIRE DETECTION) · airframe 67,495 hrs

INTERMITTENT INFLIGHT ILLUMINATION OF NR 1 ENG FIRE DETECTION WARNING LIGHT. FALSE WARNING. REPLACED MULTIPLE FIRE WARNING EYES AND A FIRE HANDLE RELAY. SUFFERED ANOTHER RASH OF FALSE FIRE WARNING INDICATIONS. FAULTY PORTIONS OF THE NR 1 FIRE DETECTION SYSTEM WAS REPLACED FOR MULTIPLE NICKS IN THE WIRE SHIELDING AND SUSPECTED FAULTY SPLICES. NO FURTHER REOCCURRENCE’S HAVE BEEN REPORTED.

Part: FIRE WARNING — INTERMITTENT (COCKPIT) · airframe 67,493 hrs

INTERMITTENT INFLIGHT ILLUMINATION OF NR 1 ENG FIRE DETECTION WARNING LIGHT.

Part: WIRE — DAMAGED (FIRE DETECTION) · airframe 67,491 hrs

INTERMITTENT INFLIGHT ILLUMINATION OF NR 1 ENG FIRE DETECTION WARNING LIGHT. FALSE WARNING. REPLACED MULTIPLE FIRE WARNING EYES AND A FIRE HANDLE RELAY. SUFFERED ANOTHER RASH OF FALSE FIRE WARNING INDICATIONS. FAULTY PORTIONS OF THE NR 1 FIRE DETECTION SYSTEM WAS REPLACED FOR MULTIPLE NICKS IN THE WIRE SHIELDING AND SUSPECTED FAULTY SPLICES. NO FURTHER REOCCURRENCE’S HAVE BEEN REPORTED.

Part: BLOWER — FAILED (HEATER) · airframe 63,652 hrs

DURING FLIGHT, NOTICED ELECTRICAL BURNED ODOR COMING FROM HEATER DUCT JUST PRIOR TO BLOWER CIRCUIT BREAKER POPPING, PLACED HEATER MASTER SWITCH INTO OFF POSITION, ACFT RETURNED TO BASE AND TROUBLESHOT SYSTEM. A VISUAL INSPECTION OF SYS AND WIRING DID NOT SHOW ANY DISCREPANT ISSUES OTHER THAN THE BLOWER WHICH NOTED THE FAN NOT SPINNING FREELY. REPLACED BLOWER.

Part: FIRE WARNING — INTERMITTENT (ZONE 400)

INTERMITTENT IN FLIGHT ILLUMINATION OF NR 1 ENGINE FIRE DETECTION WARNING LIGHT.