N130AM

ATA 7200

Part: ENGINE — FAILED (LEFT)

FLT 4825 - EN ROUTE DFW-AMA, A LOUD BANG WAS HEARD FOLLOWED BY AIRCRAFT VIBRATION, SMOKE IN CABIN AND COCKPIT, AND REDUCED POWER IN LEFT ENGINE (20 PERCENT TORQUE). CREW FOLLOWED THE ENGINE FAILURE CHECKLIST, DECLARED AN EMERGENCY AND DIVERTED TO SPS WHERE SINGLE ENGINE LANDING WAS MADE SAFELY WITHOUT FURTHER INCIDENT. PAX AND F/A NOTICED SPARKS AND FLAME FROM ENGINE JUST PRIOR TO 'BANG'. DFW AND TXK MAINTENANCE PERSONNEL REMOVED AND REPLACED THE LEFT ENGINE. OPS AND LEAK CHECKS WERE GOOD AND THE A/C WAS RELEASED FOR FURTHER SERVICE. TEARDOWN REPORT INDICATES THERMAL DISTRESS TO THE HP VANES LEAD TO MATERIAL BEING RELEASED TO FLOW DOWNSTREAM. (M)

ATA 6110

Part: BOLT — SHEARED (RT PROPELLER)

DURING INSTALLATION OF PROPELLER ASSEMBLY ON THE RIGHT ENGINE OF S/N 120134, ONE ATTACHMENT BOLT SHEARED PRIOR TO REACHING TORQUE OF 140 FEET/POUNDS.

ATA 5320

Part: BRACKET — CORRODED (BS 4825)

AT STA 4825.5, THE LEFT HAND FLOOR SUPPORT BRACKET BETWEEN THE LEFT HAND OMEGA BEAM AND THE FUSELAGE, WAS FOUND SEVERELY EXFOLIATED. THIS AREA IS EXPOSED TO MOISTURE FROM THE PASSENGER DOOR ENTRY WAY, AND ACIDIC SOFT DRINKS FROM THE GALLERY. SUBMITTER RECOMMENDS REMOVING AND REPLACING THE DAMAGED PART AND SEALING THE AREA WITH MASTONOX TO PREVENT RENEWED CORROSION.

ATA 5330

Part: SKIN — CORRODED (BS 7257)

AT STA 7257.6 UNDERNEATH FRAME 22 IN BETWEEN STR 21L AND STR 20R, CORROSION DETECTED WHICH EXCEEDED THE MANUFACTURER'S RECOMMENDATION FOR ALLOWABLE DAMAGE. THE AREA OF CORROSION WAS EXTENSIVE ENOUGH THAT THE MECHANIC HAD TO CUT A 9.25 INCH BY 1.52 INCH SECTION OF SKIN OUT. SUBMITTER STATED CAUSE OF CORROSION IS A COMBINATION OF MOISTURE AND DISSIMILAR METALS WHICH ARE IN CONTACT WITH ONE ANOTHER. A TITANIUM STRIP RUNS BETWEEN THE FUSELAGE SKIN AND FRAME 22. THIS COUPLED WITH FLUIDS AND OTHER CONTAMINANTS WHICH ACCUMULATE ON THE BELLY OF THE PLANE HAVE A DETRIMENTAL AFFECT ON THE CONDITION OF THE METALS IN THAT AREA.

ATA 5320

Part: ANGLE — CRACKED (BS 16128)

AFT FUSELAGE-TO-FIN CONNECTING ANGLE AT THE BASE OF THE VERTICAL STABILIZER AT FS 16128.0, A CRACK WAS DISCOVERED TRAVELING BETWEEN TWO FASTENERS. SUBMITTER STATED POSSIBLY CAUSE AS FATIGUE AND RECOMMENDED A DETAILED VISUAL INSPECTION BE CALLED OUT DURING C-CHECK INSPECTION.

ATA 7120

Part: NUT — CRACKED (LT ENGINE)

TWO OF THE THREE ATTACHMENT BOLTS FOR THE OUTBOARD TORQUE MOUNT P/N LM-430-SA7 NUTS WERE FOUND CRACKED DURING C-CHECK INSPECTION. SUBMITTER STATED POSSIBLY OVERTORQUED, EXCESSIVE FORCE WAS REQUIRED TO REMOVE THE REMAINING NUT AND RECOMMENDED INSPECTION AT EVERY C-CHECK INSPECTION.

ATA 5210

Part: SEAL — DEFECTIVE (AIRSTAIR)

EN ROUTE ATL-MYR - AT FL 190, THE CABIN STARTED TO CLIMB. THE CREW ATTEMPTED TO REGAIN CONTROL CABIN PRESSURE TO NO AVAIL. DESCENDED TO 8,000 FEET AND RETURNED TO ATL. REMOVED RTV FROM LEFT BOTTOM AIRSTAIR DOOR SEAL AND SHIMMED RIGHT SIDE OF AIRSTAIR DOOR. OPERATIONAL AND PRESSURIZATION CHECKS WERE GOOD AND THE AIRCRAFT WAS RELEASED FOR FURTHER SERVICE. (M)

ATA 6120

Part: OIL PUMP — FALIED (RT PCU)

APPROXIMATELY 60 MILES OUT ON APPROACH ICT-DFW, RIGHT NP BEGAN FLUCTUATING FROM 83 PECENT TO 87 PERCENT. ATTEMPTED 100 PERCENT NP, AND NP ROSE TO 101.5 PERCENT. CAPTAIN BROUGHT THE POWER LEVER BACK TO CONTROL THE NP, FLUCTUATION CONTINUED (WENT TO 105 PERCENT). CREW SHUT DOWN THE RIGHT ENGINE AND DECLARED AND EMERGENCY. AIRCRAFT LANDED UNEVENTFULLY AT DFW. DOWN LOADED FDAU TO CHECK FOR POSSIBLE EXCEEDANCES. NONE NOTED. REMOVED AND REPLACED RIGHT PCU OIL PUMP. OPERATIONAL AND LEAK CHECKS WERE GOOD. AIRCRAFT WAS RELEASED FOR FURTHER SERVICE. (M)

ATA 3610

Part: SENSOR — MOISTURE (ZONE 100)

STL - FLT 7215 - DUCT LEAK LIGHT ILLUMINATED ON 'MAP' PANEL. MAINTENANCE INSPECTED AND CLEANED WATER/MOISTURE FROM DUCT LEAK SENSORS. PERFORMED GROUND RUNS WITH BLEED AIR ON, NO LEAK LIGHT ILLUMINATED. SYSTEM CHECK NORMAL.

ATA 2750

Part: CONTROL UNIT — FAILED (TE FLAP SYS)

STL - FLT 7213 - NACELLE FLAP FAULT IN FLIGHT. MAINTENANCE REPLACED FLAP CONTROL UNIT. SYSTEM CHECK GOOD. (W)

ATA 3010

Part: EJECTOR VALVE — STICKY (DE-ICE BOOTS)

STL - FLT 7502 - THE LT AND RT WING I/B DE-ICE BOOT FAULTED ALONG WITH LT AND RT HORIZONTAL STAB. THE I/B DE-ICE BOOTS. MAINTENANCE CLEANED DE-ICE EJECTOR VALVES. OPERATION CHECK GOOD. (W)

ATA 2750

Part: CONTROL UNIT — FAILED (TE FLAPS)

BHM - FLT 7461 - THE FLAP ASSYMETRY OCCURRED, RT FLAP WENT UP AND DOWN. MAINTENANCE REPLACED FLAP CONTROL UNIT. SYSTEM TEST GOOD. (W)