N352SB

No registry detail on file · not in current registry

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.

51 reports on file, 1995-03-29 – 2002-07-23.

OTHER · 2002-07-23 Matched by certificate designator
ATA 5300

Part: FASTENER — ELONGATED (RT HORZ STAB)

FOUND RIGHT HORIZONTAL STABILIZER UPPER FORWARD SPAR CAP FASTENERS HOLE AT THE INBOARD END WAS FOUND TO BE ELONGATED. REMOVED HORIZONTAL STAB. LEADING EDGE RIB AND MOUNTING ANGLE ON THE SPAR WEB. FABRICATED A REPLACEMENT SECTION SPAR WEB, TWO DOUBLER, ANGLE AND SHIMS. REPAIR DONE IAW SRM.

Source: SDR SIMA200220502
OTHER · 2002-07-17 Matched by certificate designator
ATA 5414

Part: SKIN — CRACKED (RT NACELLE)

FOUND RT NACELLE OUTBOARD FORWARD SKIN HAS POSSIBLE CRACK AT RIVET. PERFORMED AN NDT INSPECTION OF THE AREA AND FOUND INDICATION OF A CRACK. PERFORMED CUT TO INNER SKIN TO GAIN ACCESS TO DAMAGE AREA. REMOVED DAMAGED SKIN BY CUTOUT AND PERFORMED AN NDT INSPECTION OF THE AREA AND FOUND NO ADDITIONAL REJECTABLE INDICATIONS. FABRICATED AN EXTERNAL DOUBLER AND INNER SPLICE DOUBLER. REPAIR DONE IAW SRM.

Source: SDR SIMA200220501
INADEQUATE Q C · 2002-07-17 Matched by certificate designator
ATA 5311

Part: FRAME — DAMAGED (FUSELAGE)

NO DOCUMENTATION COULD BE FOUND FOR DOUBLER REPAIR ON LT AFT FUSELAGE, FORWARD OF CARGO DOOR. REMOVED PREVIOUS INSTALLED REPAIR DOUBLER AND PERFORMED A CUT OUT. FABRICATED A REPAIR DOUBLER. REPAIR DONE IAW SRM.

Source: SDR SIMA200220514
OTHER · 2002-07-16 Matched by certificate designator
ATA 5414

Part: SKIN — DAMAGED (RT NACELLE)

FOUND RT NACELLE INBOARD FORWARD SKIN HAS THREE RIVETS RECESSED THROUGH SKIN. PERFORMED CUT TO INNER SKIN TO GAIN ACCESS TO DAMAGED AREA. FABRICATED AN INNER SKIN SPLICE DOUBLER. REPAIR DONE IAW SRM PRACTICES.

Source: SDR SIMA200220001
OTHER · 2002-07-11 Matched by certificate designator
ATA 5311

Part: FRAME — DENTED (FUSELAGE)

DURING MBV INSPECTION MAINTENANCE FOUND FRAME IN CARGO BAY DENTED AT STATION 686.888. DENT WAS RECONTOURED AND AN NDT INSPECTION WAS COMPLIED WITH NO DEFECTS WERE NOTED. A REPAIR DOUBLER WAS INSTALLED IAW REPAIR STATEMENT AND STANDARD PRACTICES.

Source: SDR SIMA200219802
OTHER · 2002-07-11 Matched by certificate designator
ATA 5311

Part: FRAME — DENTED (FUSELAGE)

DURING MBV MAINTENANCE FOUND THE RIGHT CARGO BAY FRAME AT STATION 668.888 DENTED. RECONTOURED DENT BACK TO NORMAL CONTOUR. PERFORMED AN NDT INSPECTION AND FOUND NO DEFECTS. FABRICATED A REPAIR DOUBLER. REPAIR DONE IAW SDS AND SRM PRACTICES.

Source: SDR SIMA200219803
OTHER · 2002-07-11 Matched by certificate designator
ATA 5311

Part: FRAME — DENTED (FUSELAGE)

DURING MBV INSPECTION, MAINTENANCE FOUND THE CARGO BAY RT FRAME AT STA 658.5 DENTED. RECONTOURED DENT BACK TO NORMAL CONTOUR. PERFORMED NDT INSPECTION AND FOUND NO DEFECT. FABRICATED AND INSTALLED A REPAIR DOUBLER. REPAIR DONE IAW REPAIR STATEMENT AND STANDARD SRM PRACTICES.

Source: SDR SIMA200219804
OTHER · 2002-07-11 Matched by certificate designator
ATA 5311

Part: FRAME — DENTED (FUSELAGE)

DURING MBV MAINTENANCE FOUND A DENT IN FRAME IN CARGO BAY AT STATION 677. DENT WAS RECOUNTED, NDT INSPECTED WITH NO DEFECTS NOTED. A REPAIR DOUBLER WAS INSTALLED IAW RS AND STANDARD PRACTICES.

Source: SDR SIMA200219801
OTHER · 2002-07-10 Matched by certificate designator
ATA 5311

Part: FRAME — DENTED (FUSELAGE)

DURING MBV INSPECTION, MAINTENANCE FOUND THE CARGO BAY RT FRAME AT STATION 640, DENTED. RECONTOURED DENT BACK TO NORMAL CONTOUR PERFORMED NDT INSPECTION AND FOUND NO DEFECTS. FABRICATED AND INSTALLED A REPAIR DOUBLER. REPAIR DONE IAW SDS AND STANDARD SRM PRACTICES.

Source: SDR SIMA200219805
OTHER · 2002-07-09 Matched by certificate designator
ATA 5410

Part: FRAME — CHAFED (LT NACELLE)

DURING MBV INSPECTION MAINTENANCE FOUND LT NACELLE INBOARD FILLET AREA, CHAFED. BLENDED CHAFED AREA. PERFORMED NDT INSPECTION AND FOUND NO DEFECTS. MAINTENANCE FABRICATED AND INSTALLED AN REPAIR DOUBLER REPAIR DONE IAW SRM.

Source: SDR SIMA200219807
OTHER · 2002-07-09 Matched by certificate designator
ATA 5311

Part: FRAME — CORRODED (FUSELAGE)

DURING MBV INSPECTION MAINTENANCE FOUND FRAME 258 IN GALLEY AREA HAS CORROSION (FROM PREVIOUS REPAIR). REMOVED PREVIOUS REPAIR AND ADDITIONAL CORROSION BY CUT OUT. MAINTENANCE FABRICATED AND INSTALLED A DOUBLER. REPAIR DONE IAW SRM.

Source: SDR SIMA200219806
OTHER · 2002-07-05 Matched by certificate designator
ATA 5512

Part: SKIN — DENTED (HORIZ STAB)

ABI - LEFT HORIZONTAL TOP SKIN HAS 57 DENTS. PERFORMED EDDY CURRENT AND BOND CHECK, NO DEFECTS NOTED. (M)

Source: SDR SIMA200219123
OTHER · 2002-07-05 Matched by certificate designator
ATA 5330

Part: SKIN — DENTED (FUSELAGE)

TAIL SECTION RIGHT BELOW ELEVATOR HAS A DENT AT FUSELAGE. PERFORMED EDDY CURRENT INSPECTION, NO DEFECTS NOTED. DENT FOUND WITHIN SAAB 340 SRM 53-90-10 AND 51-10-10 LIMITS. (M)

Source: SDR SIMA200219118
OTHER · 2002-07-05 Matched by certificate designator
ATA 5330

Part: SKIN — DENTED (FUSELAGE)

LEFT FUSELAGE AFT HAS 2 PROTRUSION. PERFORMED EDDY CURRENT INSPECTION. NO DEFECTS NOTED. PROTRUSIONS FOUND TO BE WITHIN SAAB 340 SRM 53-80-30 AND 51-10-10 LIMITS. (M)

Source: SDR SIMA200219127
OTHER · 2002-07-05 Matched by certificate designator
ATA 5330

Part: SKIN — DENTED (FUSELAGE)

ABI - TAIL SECTION AFT LOWER SKIN HAS A PROTRUSION FORWARD OF PANEL 318AL. PERFORMED EDDY CURRENT INSPECTION, NO DEFECTS NOTED. (M)

Source: SDR SIMA200219117
OTHER · 2002-07-05 Matched by certificate designator
ATA 5330

Part: SKIN — DENTED (FUSELAGE)

ABI - FOUND LEFT FUSELAGE HAS A DENT AFT OF ICESHIELD AREA, UPPER. PERFORMED EDDY CURRENT AND SONIC BOND CHECK IAW SAAB NDT MANUAL. NO DEFECTS WERE NOTED. DENT FOUND TO BE WITHIN SAAB 340 SRM 53-70-10 AND 51-10-10 LIMITS. (M)

Source: SDR SIMA200210122
OTHER · 2002-07-05 Matched by certificate designator
ATA 5210

Part: SKIN — DENTED (PAX DOOR)

ABI - PASSENGER DOOR HAS 23 DENTS. PERFORMED EDDY CURRENT AND SONIC BOND CHECK IAW SAAB NDT MANUAL. NO DEFECTS WERE FOUND. (M)

Source: SDR SIMA200219131
OTHER · 2002-07-05 Matched by certificate designator
ATA 5512

Part: SKIN — DENTED (HORIZ STAB)

ABI - RIGHT HORIZONTAL LOWER SKIN HAS ONE DENT. PERFORMED SONIC BOND AND EDDY CURRENT INSPECTION, NO DEFECTS. DENT WITHIN SAAB SRM 55-10-10 AND 51-10-10 LIMITS. (M)

Source: SDR SIMA200219112
OTHER · 2002-07-05 Matched by certificate designator
ATA 5347

Part: CARGO TRACK — CORRODED (FUSELAGE)

DISC-CARGO AREA SEAT TRACK AT 18.3L HAS AREA CORROSION MEASURED BELOW LIMITS. REMOVED SECTION AND INSTALLED REPAIR EXTRUSION IAW SRM.

Source: SDR SIMA200219130
OTHER · 2002-07-05 Matched by certificate designator
ATA 5330

Part: SKIN — DENTED (FUSELAGE)

ABI - FOUND FUSELAGE TOP SKIN HAS 150 DENTS. PERFORMED EDDY CURRENT INSPECTION, NO DEFECTS NOTED. (M)

Source: SDR SIMA200219125
OTHER · 2002-07-05 Matched by certificate designator
ATA 5512

Part: SKIN — DENTED (HORIZ STAB)

ABI - RIGHT HORIZONTAL LOWER SKIN HAS ONE DENT. PERFORMED EDDY CURRENT AND SONIC BOND CHECK, NO DEFECTS NOTED. DENT FOUND TO BE WITHIN SAAB 340 SRM 55-10-10 AND 51-10-10 LIMITS. (M)

Source: SDR SIMA200219128
OTHER · 2002-07-05 Matched by certificate designator
ATA 5532

Part: SKIN — DENTED (VERTICAL STAB)

VERTICAL STABILIZER RIGHT UPPER AREA HAS ONE DENT. PERFORMED EDDY CURRENT AND SONIC BOND CHECK. NO DEFECTS NOTED. DENT FOUND TO BE WITHIN SAAB 340 SRM 55-70-10 AND 51-10-10 LIMITS. (M)

Source: SDR SIMA200219126
OTHER · 2002-07-05 Matched by certificate designator
ATA 5512

Part: SKIN — DENTED (HORIZ STAB)

RIGHT HORIZONTAL TOP SKIN HAS 45 DENTS. PERFORMED EDDY CURRENT AND BOND CHECK, NO DEFECTS NOTED. (M)

Source: SDR SIMA200219124
OTHER · 2002-07-05 Matched by certificate designator
ATA 5330

Part: SKIN — DENTED (FUSELAGE)

ABI - RIGHT FUSELAGE AFT OF ICE SHIELD HAS 23 DENTS. PERFORMED EDDY CURRENT INSPECTION, NO DEFECTS. DENTS ACCEPTED AS IS IAW SAAB 340 STATEMENT 340SDS004141 PARA 5. (M)

Source: SDR SIMA200219120
OTHER · 2002-07-05 Matched by certificate designator
ATA 5240

Part: DOOR — DENTED (ELECTRICAL POWER)

FOUND LEFT ELECTRICAL POWER PANEL HAS 2 DENTS. PERFORMED EDDY CURRENT INSPECTION, NO DEFECTS. DENT WITHIN SAAB 340 SRM 55-70-10 AND 51-10-10 LIMITS. (M)

Source: SDR SIMA200219115
OTHER · 2002-07-05 Matched by certificate designator
ATA 5330

Part: SKIN — DENTED (FUSELAGE)

RIGHT FUSELAGE HAS A DENT ABOVE AND FORWARD OF PITOT TUBE. PERFORMED EDDY CURRENT INSPECTION. NO DEFECTS NOTED. DENT FOUND TO BE WITHIN SAAB 340 SRM 51-10-10 LIMITS. (M)

Source: SDR SIMA200219121
OTHER · 2002-07-05 Matched by certificate designator
ATA 5347

Part: CARGO TRACK — CORRODED (FUSELAGE)

ABI - CARGO AREA SEAT TRACK AT BL 0 HAS AREAS MEASURED BELOW LIMITS. SEAT TRACK ACCEPTED AS IS IAW SAAB 340 STATEMENT 340SDS004141, PARA 6. (M)

Source: SDR SIMA200219129
OTHER · 2002-07-05 Matched by certificate designator
ATA 5330

Part: SKIN — DENTED (FUSELAGE)

ABI - FOUND LEFT FUSELAGE HAS A DENT APPROX 14 INCHES BELOW THE STATIC PORT. PERFORMED EDDY CURRENT INSPECTION, NO DEFECTS. (M)

Source: SDR SIMA200219116
OTHER · 2002-07-05 Matched by certificate designator
ATA 5330

Part: SKIN — DENTED (FUSELAGE)

ABI - FOUND LEFT FUSELAGE AFT OF ICE SHIELD BELOW WINDOW HAS SIX DENTS. PERFORMED EDDY CURRENT INSPECTION NO DEFECTS. (M)

Source: SDR SIMA200219114
OTHER · 2002-07-05 Matched by certificate designator
ATA 5240

Part: DOOR — DENTED (ELECTRICAL POWER)

ABI - RIGHT ELECTRICAL POWER PANEL HAS ONE DENT. PERFORMED EDDY CURRENT INSPECTION, NO DEFECTS NOTED. DENTS FOUND WITHIN SAAB 340 SRM 52-40-12 AND 51-10-10 LIMITS. (M)

Source: SDR SIMA200219119
Earlier reports · 1995–2001 · 21 reports

2001

OTHER · 2001-07-16 Matched by certificate designator
ATA 3350

Part: FUSE — INOPERATIVE (CABIN)

BOS - FLT 4620 - CREW REPORTED THE EMERGENCY LIGHTS AT SEATS 8BC AND 10BC TO BE INOPERATIVE. MAINTENANCE REPLACED THE FUSE AT 27LN. OPS CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. (M)

Source: SDR SIMA200119707

2000

OVER TEMP · 2000-08-26 Matched by certificate designator
ATA 7200

Part: ENGINE — FAILED (RIGHT) · airframe 14,402 hrs · 14,972 cycles

SJT - FLT 3889 - RIGHT ENGINE OVERTEMP IN REVERSE, EXCEEDED 1000 DEGREES (PIREP 1080 DIG). COCKPIT FILLED WITH OILY SMOKE. REMOVED AND REPLACED RIGHT ENGINE IAW AMM. RUNS AND OPS CHECK GOOD. S/N ON GEE785310. S/N OFF GEE 785359. (X)

Source: SDR SIMA2398
NO TEST · 2000-07-27 Matched by certificate designator
ATA 3350

Part: BULB — FAILED (CABIN)

DFW - FLT 3250 - EMERGENCY EXIT LIGHT OVER 11A INOPERATIVE. REPLACED EMERGENCY LIGHT BULB AT SEAT 11A. OPERATIONAL CHECK PERFORMED. OPS CHECK GOOD. (M)

Source: SDR SIMA2091
NO TEST · 2000-07-24 Matched by certificate designator
ATA 3350

Part: BULB — FAILED (SEAT 5)

SGF - FLT 3615 - EMERGENCY FLOOR PROXIMITY LIGHT AT SEAT 5C INOPERATIVE, ISSUED MEL. REMOVED AND REPLACED LIGHT AT 5C IAW SAAB AMM. OPS CHECKED GOOD. (M)

Source: SDR SIMA2062
NO TEST · 2000-07-12 Matched by certificate designator
ATA 3350

Part: LIGHT — FAILED (CABIN)

DFW - FLT 3814 - FLIGHT ATTENDANT REPORTS FIRST SET OF FLOOR LEVEL EMERGENCY LIGHTS INOPERATIVE. REMOVED AND INSTALLED FIRST EMERGENCY LIGHT BELOW SEAT 3 BC IAW SAAB AMM 33-50-00. OPS CHECK GOOD, NO DEFECTS NOTED. (M)

Source: SDR SIMA19415

1999

OTHER · 1999-12-23 Matched by certificate designator
ATA 5347

Part: SEAT TRACK — CORRODED (FUSELAGE)

ABI - SEAT TRACK CORRODED BEYOND LIMITS AT FS 594.8 TO FS 686.8 TRACK 18L. REMOVED AND REPLACED SEAT TRACK AT 18.3L, 92 INCH SECTION. (M)

Source: SDR 20000417AP001
OTHER · 1999-12-23 Matched by certificate designator
ATA 5347

Part: SEAT TRACK — CORRODED (FUSELAGE)

SEAT TRACK CORRODED BEYOND LIMITS AT FS 594.8 TO FS 686.8 TRACK 18.3L. REMOVED AND REPLACED SEAT TRACK AT 18.3L, 92 INCH SECTION. (M)

Source: SDR SIMA36411
OTHER · 1999-04-16 Matched by certificate designator
ATA 5330

Part: SKIN — DENTED (FUSELAGE)

ABI - A/C ARRIVED IN ABI FOR PERMANENT REPAIR TO A DENT IN FUSELAGE SKIN FORWARD AND BELOW THE AOA VANE. PERFORMED A CIRCULAR CUTOUT .75 INCH DIAMETER TO REMOVE AND PERFORMED EDDY CURRENT TO ENSURE NO CRACKS WERE PRESENT. FABRICATED A SPACER WITH A DIAMETER OF .070 TO OBTAIN A GAP OF .05 INCH FOR THE EXISTING SKIN. FABRICATED A REPAIR PLATE 3 INCH IN DIAMETER. APPLIED ALODINE AND PRIMER TO BARE METAL SURFACES. ATTACHED REPAIR PLATES TO AIRCRAFT. FILLET SEALED GAP BETWEEN SPACER AND SKIN. APPLIED CORROSION PREVENTIVE COMPOUND DINITROL AV 25 TO THE INNER AREA. RESTORED SURFACE FINISH. WORK DONE IAW SAAB 340 SRM PRACTICES. AIRCRAFT OK FOR SERVICE. (M)

Source: SDR SIMA991061

1998

NO TEST · 1998-10-19 Matched by certificate designator
ATA 3350

Part: POWER SUPPLY — INOPERATIVE (ROWS 1-4)

DFW - FLT 3738 - EMERGENCY FLOOR PROXIMITY LIGHTS AT ROWS 1 AND 4 DO NOT ILLUMINATE. REMOVED AND REPLACED EMERGENCY POWER SUPPLY. OPERATIONAL CHECK GOOD. (X)

Source: SDR SIMA982921
FALSE WARNING · 1998-04-11 Unresolved
ATA 2611

Part: SMOKE DETECTOR — DIRTY (LAVATORY)

LAV SMOKE CWP LIGHT CAME ON FOR 5 MIN IN FLIGHT. FOLLOWED QRH PROCEDURES. CLEANED LAV SMOKE DETECTOR.

Source: SDR WWMA9800071
NO TEST · 1998-04-03 Unresolved
ATA 3350

Part: BULB — FAILED (CABIN)

OVERHEAD EMERGENCY LIGHT AT ROW 11A FAILED TO ILLUMINATE. REPLACED BULB.

Source: SDR WWMA9800067

1997

SMOKE/FUMES/ODORS/SPARKS · 1997-08-11 Unresolved
ATA 3425

Part: DPU — DEFECTIVE (RIGHT)

ON ENGINE START ELECTRICAL SMELL AND SMOKE DETECTED, BOTH RDCP CIRCUIT BREAKERS POPPED. MAINTENANCE DROPPED RIGHT CIRCUIT BREAKER PANEL AND INSPECTED AREA, NO DISCREPANCIES FOUND. REPLACED RIGHT DPU AND RETURNED THE AIRCRAFT TO SERVICE WITH NO FURTHER PROBLEMS.

Source: SDR WWMA9700119
NO TEST · 1997-08-09 Unresolved
ATA 3350

Part: LAMP — FAILED (COCKPIT)

EMERGENCY LIGHT ARM LIGHT DOES NOT ILLUMINATE ON FIRST OFFICERS PANEL WHEN THE EMERGENCY LIGHTS ARE ARMED. MAINTENANCE RELAMPED LIGHT.

Source: SDR WWMA9700117
NO TEST · 1997-07-11 Unresolved
ATA 2611

Part: SMOKE DETECTOR — INOPERATIVE (LAVATORY)

LAVATORY SMOKE DETECTOR TESTS INOP. MAINTENANCE REPLACED LAVATORY SMOKE DETECTOR, AMM 26-10, CK GOOD.

Source: SDR WWMA9700092
NO TEST · 1997-07-10 Unresolved
ATA 2611

Part: SMOKE DETECTOR — DIRTY (LAVATORY)

LAVATORY SMOKE DETECTOR WILL NOT TEST. MAINTENANCE PERFORMED TEST AND COULD NOT DUPLICATE PROBLEM. CLEANED AND INSPECTED DETECTOR WITH NO PROBLEMS FOUND.

Source: SDR WWMA9700091
FALSE WARNING · 1997-05-17 Unresolved
ATA 2611

Part: SMOKE DETECTOR — DEFECTIVE (LAVATORY)

LAVATORY SMOKE LIGHT INTERMITTENTLY ILLUMINATED. REPLACED THE LAVATORY SMOKE DETECTOR.

Source: SDR WWMA9700078
FALSE WARNING · 1997-05-12 Unresolved
ATA 2611

Part: SMOKE DETECTOR — DEFECTIVE (LAVATORY)

LAVATORY SMOKE LIGHT ILLUMINATES WHEN A PERSON ENTERS THE LAVATORY. REPLACED THE LAVATORY SMOKE DETECTOR.

Source: SDR WWMA9700069
NO TEST · 1997-05-08 Unresolved
ATA 3350

Part: BATTERY PACK — DISCHARGED (CABIN)

DURING PREFLIGHT, CREW FOUND EMERGENCY LIGHTS AT SEATS 3C, 4A AND 5C INOPERATIVE. ALSO, THE FLOOR LIGHTS AT SEATS 4B AND 5B WERE INOPERATIVE. REPLACED EMERGENCY BATTERY PACK 20LN.

Source: SDR WWMA9700066
SMOKE/FUMES/ODORS/SPARKS · 1997-01-10 Unresolved
ATA 2530

Part: HOT JUG — ODOR (GALLEY NR 2)

FLIGHT ATTENDANT REPORTED, AN ELECTRICAL SMELL FROM THE NR 2 HOT JUG. MAINTENANCE INSPECTED CABIN FLUORESCENT LAMP SOCKETS, HOT JUGS AND HOT JUG RECEPTICLES. COULD NOT DUPLICATE BUT DID FIND NR 2 HOT JUG TO CONTAIN EXTREMELY BAD SMELLING COFFEE. SUSPECT ODOR CAME FROM THE COFFEE.

Source: SDR WWMA9700006

1996

WARNING INDICATION · 1996-02-02 Unresolved
ATA 3230

Part: RETRACT MECH — ICED UP (LANDING GEAR)

THE LANDING GEAR INTRANSIT LIGHT STAYED ON AFTER GEAR RETRACTION. THE AIRCRAFT RETURNED TO FIELD WITHOUT INCIDENT. UPON INVESTIGATION MAINTENANCE FOUND A LARGE ICE BUILD-UP ON THE LANDING GEAR. THE ICE WAS REMOVED AND A GEAR SWING WAS PERFORMED.

Source: SDR WWMA9600014

1995

FALSE WARNING · 1995-03-29 Unresolved
ATA 2930

Part: INDICATION — MALFUNCTIONED (HYD SYST)

FLT 5201 - DFW-CLL - PILOT REPORTED THAT WHILE ON APPROACH, INSTRUMENT INDICATIONS SHOWED A COMPLETE LOSS OF HYDRAULIC PRESSURE. THE LANDING GEAR EMERGENCY EXTENTION HANDLE WAS PULLED AND THE SEPARATION BOLTS ACTIVATED, MOVING THE GEAR INTO DOWN AND LOCKED POSITION. MAINTENANCE PERSONNEL INSPECTED THE HYDRAULIC SYSTEM INCLUDING PUMP AND RESERVOIR, AND FOUND NO EVIDENCE OF LEAKS. THE RESERVOIR WAS FULL AND THE SYSTEM WORKED PROPERLY. THE LANDING GEAR WAS CYCLED IN EXCESS OF TWENTY TIMES WITH NO PROBLEMS OR MALFUNCTIONS NOTED. ALL OPERATIONAL CHECKS WERE SATISFACTORY AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Source: SDR WWMA9500033