N319BH

ATA 7200

Part: ENGINE — FAILED (NR 1) · airframe 25,598 hrs · 35,501 cycles

DURING CLIMB OUT FOR A STAGING FLIGHT, CREW PULLED THROTTLE BACK AT APPROX 4000 FT, NR 1 ENGINE MADE A POPPING NOISE, FOLLOWED BY TORQUE DECREASING TO 2100 FT LBS, FOLLOWED BY AN ADDITIONAL POPPING NOISE FROM THE NR 1 ENGINE. THE CREW PULLED THE POWER ON THE NR 1 ENGINE TO IDLE, DECLARED AN EMERGENCY, RETURNED AND LANDED WITHOUT FURTHER INCIDENT. DURING SHUTDOWN, CREW HEARD A GRINDING NOISE FROM NR 1 ENGINE AND FELT SLIGHT VIBRATION IN CONTROL YOKE. INSPECTION REVEALED SEVERAL COMPRESSOR BLADES WITH CURL-UP AND SHARP EDGES. ALSO COMPRESSOR SECTION DID NOT ROTATE FREELY WITH ACCESORIES REMOVED AND AN OCCASIONAL GRINDING NOISE WAS HEARD DURING ROTATION. OPEN

ATA 5330

Part: SKIN — CORRODED (ZONE 100) · airframe 25,017 hrs · 34,263 cycles

DURING ACFT INSP THE FOLLOWING DISCREPANCIES WERE DISCOVERED. FUSELAGE STA 318 LT LOWER BELLY HAS EXFOLIATION CORROSION ON LOWER BELLY SKIN. REMOVED CORROSION, CLEANED, TREATED AND PRIMED AREA. CUT OUT 2" X 1.5" CORROSION AREA AND FABRICATED FILLER AND REPAIR DOUBLER 5" X 4" FROM 2024T3 .040. FOUND CORROSION ON LOWER PORTION OF STRINGER. CUT OUT 3" AFFECTED PORTION OF STRINGER AND REPLACED WITH PREFABRICATED MATERIAL SAME AS ORIGINAL . INSTALLED IAW SRM 51-70-07. TREATED, SEALED AND PRIMED AREA. FUSELAGE STA 303 RT LOWER BELLY HAS EXFOLIATION CORROSION ON RT LOWER BELLY-DIMENSIONS. REMOVED CORROSION, CLEANED, TREATED AND PRIMED AREA. CUT OUT CORROSION, CLEANED, TREATED AND PRIMED AREA. FABRICATED FILLER AND 3.5" DOUBLER AND INSTALLED IAW SRM 51-70-00. FUSELAGE STA 288 HAS EXFOLIATION CORROSION ON LOWER RT BELLY AREA. CUT OUT CORROSION AREA AND CLEANED, TREATED, AND PRIMED. FABRICATED FILLER AND DOUBLER AND INSTALLED IAW SRM 51-70-00 AND 53-30-02-AREA TREATED AND PRIMED.

ATA 2731

Part: TRIM SYSTEM — STUCK (ELEVATOR) · airframe 24,262 hrs · 33,396 cycles

DURING A TRAINING FLIGHT 25 MILES EAST OF AIRPORT, AT 5000 FT, THE ELEVATOR TRIM CONTROL BOUND AND JAMMED UP. AFTER ATTEMPTS TO FREE UP THE TRIM WERE UNSUCCESSFUL, THE CREW DECLARED AN EMERGENCY WITH CONTROL AND LANDED ON WITHOUT INCIDENT. MX PERFORMED A VISUAL INSPECTION OF THE ELEVATOR TRIM CONTROL CABLES ROUTING, NO DEFECTS WERE NOTED. MX LUBRICATED THE ELEVATOR TRIM ACTUATOR AND VERIFIED PROPER CABLE TENSIONS. NO DEFECTS WERE NOTED AFTER PERFORMING OPERATIONAL AND FUNCTIONAL CHECKS OF THE ELEVATOR TRIM SYSTEM. THE AC WAS RELEASED FOR THE PURPOSES OF A TEST FLIGHT. MANUAL AND ELECTRICAL OPERATION OF THE ELEVATOR TRIM DURING THE TEST FLIGHT WAS FOUND TO BE NORMAL WITH NO FURTHER DISCREPANCIES NOTED. THE AC WAS APPROVED FOR RETURN TO SERVICE.

ATA 3260

Part: SWITCH — OUT OF ADJUST (NLG)

WHEN PERFORMING GEAR DOWN FOR LANDING, NO NOSE GEAR INDICATION. PERFORMED MANUAL EXTENSION IAW CHECKLIST. DID 2 FLYBYS SO MAINTENANCE COULD CHECK FROM GROUND. MAINTENANCE DETERMINED NOSE GEAR DOWN AND LOCKED. FOUND NOSE GEAR POSITION SWITCH OUT OF ADJUSTMENT, ADJUSTED SWITCH, LUBRICATED AND SECURED IAW B1900 MM 32-60-00, PERFORMED SEVERAL GEAR EXTENSION/RETRACT CHECKS IAW B1900 MM 32-30-00. OPS CHECKED GOOD.

ATA 3260

Part: DOWNLOCK SWITCH — INOPERATIVE (MLG ACTUATOR) · airframe 23,472 hrs · 32,714 cycles

ON APPROACH WHEN LG SELECTED DOWN CREW DID NOT GET RT MLG SAFE (GREEN) INDICATION. MLG WAS IN FACT DOWN AND LOCKED. MX DETERMINED FAULTY DOWNLOCK SWITCH INCORPORATED INTO MLG ACTUATOR. THE MLG ACTUATOR WAS R&R AND GEAR SWINGS ACCOMPLISHED WITH SATISFATORY RESULTS.

ATA 2752

Part: MOTOR — CONTAMINATED (FLAP)

GJT - FLT 8562 - PILOT REPORTED THE FLAP MOTOR CIRCUIT BREAKER TRIPPED WITH A SMOKE SMELL IN COCKPIT. FLAP MOTOR AND SOLENOID GLYCOL CONTAMINATION. MAINTENANCE PERSONNEL CLEANED GLYCOL FROM AROUND FLAP MOTOR AND SOLENOID AREA. FLAP SYSTEM CHECKS GOOD ON NUMEROUS CYCLES.

ATA 7120

Part: TRUSS ASSY — CRACKED (RT ENGINE)

WHILE COMPLYING WITH AD 95-02-18, AREA A, GP EXPRESS MAINTENANCE FOUND THE RT ENGINE TRUSS CRACKED IN THE FORWARD UPPER OUTBOARD POSITION. TRUSS WAS REPLACED WITH NEW P/N 114-910032-79 TRUSS ASSEMBLY. AIRCRAFT WAS RETURNED TO SERVICE. (M)