N287F

ATA 6120

Part: NTS VALVE — FAILED (NR 2 ENGINE)

NR 2 ENG SHUTDOWN DUE TO RPM FOLLOWING POWER LEVER POSITION. REMOVED AND REPLACED NTS VALVE IAW N ITEM CARD N61-13 AND ALSO, REMOVED AND REPLACED PITCHLOCK VALVE IAW N ITEM CARD N61-13. OPS AND LEAK CHECK NORMAL.

ATA 6122

Part: GOVERNOR — ERRATIC (NR 1 PROP)

NR 2 ENGINE SHUTDOWN AT 2150Z DUE TO RPM FOLLOWING POWER LEVER POSITION. ERRATIC GOVERNOR VALVE OPERATION. REPLACED NR 1 PROP GOVERNOR PER M/M CARD N61-13. OPS CHECK NORMAL.

ATA 7200

Part: ENGINE — FAILED (NR 1)

SHUTDOWN NR 1 ENG DUE TO ENG LOW OIL PRESSURE LIGHT ILLUMINATION AND LESS THAN 130 PSI REDUCTION GEAR IN FLIGHT AT 0715Z. REPLACED NR 1 ENGINE PER ONE120.

ATA 5610

Part: WINDSHIELD — CRACKED (RT COCKPIT)

CO-PILOTS WINDSHIELD OUTER PANE CRACKED. REPLACED CO-PILOTS WINDSHIELD.

ATA 5320

Part: STIFFENER — CRACKED (BS 129)

DURING SERVICE CHECK AT ANC, THE PRESSURE DECK STIFFENER WAS DISCOVERED CRACKED AT FS 129 WHERE IT ATTACHES TO THE FUSELAGE CIRCUMFERENTIAL. REPLACED ZEE-ANGLE PRESSURE DECK STIFFENER PER LAC SRM CHAPTER 53-1-5 AND REPLACEMENT PER LAC SRM 51-1-9.

ATA 5320

Part: STIFFENER — CRACKED (BS 150)

DURING A SERVICE CHECK AT ANC, NOSE GEAR PRESSURE DECK STIFFENER WAS DISCOVERED CRACKED A FS 150R WHERE THE STIFFENER ATTACHES TO THE FUSELAGE CIRCUMFERENTIAL, CRACK TERMINATED IN THE LOWER LEG OF ZEE STIFFENER. STIFFENER REPLACED PER LAC SRM 53-1-5 AND SRM 51-2-9.

ATA 5720

Part: DOUBLER — CRACKED (WS 235,236,237)

DURING SERVICE CHECK AT ANC, NR 6 LEFT WING PLANK LEAP DOUBLER WAS DISCOVERED CRACKED, LWS 237.30. LONG CRACKS EMANATED FROM FASTENER HOLES. RECEIVED LOCKHEED AUTHORIZATION TO CONTINUE SERVICE UNTIL PHASE CHECK NOT TO EXCEED 500 HOURS. RE-INSPECTED AREA OF DAMAGE NOT TO EXCEED 50 FLIGHT HOURS TO ENSURE THERE IS NO MORE CRACK PROPAGATION.

ATA 5720

Part: DOUBLER — CRACKED (BS 248)

DURING SERVICE CHECK AT ANC, A CRACK WAS DISCOVERED IN LWS 248 DOUBLER AT NR 4 PLANK. CRACK RUNS FORWARD .20 INCH AND AFT .075 INCH FROM FASTENER HOLE. REMOVED CRACK PER LAC SRM 57-2-1, PAGE 41. DEFECT CONSIDERED NEGLIGIBLE DAMAGE AFTER CLEAN UP, SEALED AREA PER LAC SRM 51-2-16.

ATA 5720

Part: DOUBLER — CRACKED (WS 257)

DURING SERVICE CHECK AT ANC, RT WING NR 6 PLANK LEAP DOUBLER WAS DISCOVERED CRACKED AT RWS 257. CRACK RAN BETWEEN FASTENERS. VERIFIED RACK DID NOT CONTINUE BY BOLT HOLE EDDY CURRENT AFTER FASTENER REMOVAL. REPAIRED BY PATCHING PER DRAWING NR C95-R02 AND SEALED PER MM, CHAPTER 51-2-16.

ATA 5730

Part: SKIN — CRACKED (WS 248)

DURING SERVICE CHECK AT ANC LEFT WING NR 1 PLANK WAS CRACKED AT WS 248. THE CRACK RUNS FORWARD .125 INCH FROM FASTENER HOLE TOWARD FORWARD EDGE OF PLANK. VERIFIED DEFECTS RUNS FORWARD ONLY FROM FASTENER HOLE USING HIGH FREQUENCY EDDY CURRENT BOLT HOLE PROBE AFTER FASTENER WAS REMOVED. REPAIRED DEFECT BY REMOVING EXISITNG DOUBLERS AND ADDING DOUBLERS PER DRAWING C95-R01. SEALED AREA PER LAC MM 51-2-16.

ATA 5320

Part: SUPPORT — CRACKED (BS 124-130)

DURING SERVICE CHECK AT ANC, 2 CRACKS WERE DISCOVERED AT BL 40R FLOOR SUPPORT BEAM CAP STA 124. CRACKS EXTENDED FROM UNDER A PREVIOUS REPAIR. TOTAL LENGTH OF CRACK, 6.5 INCHES, ONE CRACK 1.5 INCHES IN PRESSURE DECK EXTENDED INBOARD FROM STA 124. STA 130 WAS CRACKED 1.0 INCHES IN LENGTH. REPAIRED PRESSURE DECK PER SRM 52-2-1. REPAIRED FLOOR SUPPORT BEAM CAP IAW LAC SRM 53-1-4, FIGURE 2 AND SRM 51-2-9.

ATA 5720

Part: DOUBLER — CRACKED (WS 240)

DURING SERVICE CHECK INSPECTION AT ANC, A LEAP DOUBLER CRACK WAS DISCOVERED AT WS 240R. CRACK LENGTH WAS 1.3 INCHES; AN ADDITIONAL CRACK WAS DISCOVERED AT RWS 241.75, .50 INCH LENGTH. REPAIRED BY PATCHING PER LAC SRM CHAPTER 57-2-1, PAGE 43. SEALED AREA PER SRM 51-2-16.

ATA 7931

Part: OIL PRESSURE — FAILED (NR 1 ENGINE)

NR 1 ENGINE SHUTDOWN DUE TO INDICATED LOSS OF OIL PRESSURE. NR 1 ENGINE SHUTDOWN AT 1637Z. REPLACED RGB OIL PRESSURE SWITCH (LIGHT STAYS ON), TIGHTENED LOOSE 'B' NUT AT RGB PRESSURE TRANSMITTER. OPS CHECK NORMAL, NO LEAKS NOTED. (M)

ATA 7250

Part: TURBINE — FAILED (NR 4 ENGINE)

NR 4 ENGINE WILL NOT SUSTAIN RPM ABOVE 7000 RPM. PREPARED AIRCRAFT FOR FERRY FLIGHT PER ZIAA MM GMM 04-07-01 BY INSTALLING FERRY KIT. BLADE FRAGMENTS FOUND IN TAIL PIPE. AIRCRAFT FERRIED TO ANC ON 7/18/97 DUE AKN RUNWAY CLOSURE. NR 4 ENGINE WAS CHANGED. ENGINE RUNS C/W. RELEASED FOR SERVICE. (M)

ATA 7250

Part: TURBINE — FAILED (NR 4 ENGINE)

NR 4 ENGINE WILL NOT SUSTAIN RPM ABOVE 7000 RPM. PREPARED AIRCRAFT FOR FERRY FLIGHT PER ZIA MAINTENANCE MANUAL GMM 04-07-01 BY INSTALLING FERRY KIT. FRAGMENTS FOUND IN TAIL PIPE. AIRCRAFT FERRIED TO ANC ON 7/18/97 DUE AKN RUNWAY CLOSURE. NR 4 ENGINE WAS CHANGED. ENGINE RUNS C/W. RELEASED FOR SERVICE. (M)

ATA 3060

Part: BRUSH BLOCK — WORN (NR 1 PROPELLER)

AT TAKEOFF, NR 1 ENGINE HAD UNCONTROLLABLE FLUCTUATIONS OF PLUS/MINUS 500 RPM. SHUT DOWN ENGINE AND RETURNED TO MAKE LANDING WITHOUT INCIDENT. MAINTENANCE REPLACED BRUSHBLOCK AND OPERATION THEN NORMAL. (M)