N457US

Part: APU — MALFUNCTIONED (APU COMPT)

CABIN FILLED WITH SMOKE AFTER DEPARTURE. AIRCRAFT RETURNED TO FIELD AND LANDED WITHOUT FURTHER PROBLEM. PROBLEM TRACED TO OIL IN THE CABIN PACK FROM THE APU. PACK AND APU PLACED ON MEL 21-1 AND 49-1.

Part: BULB — FAILED (CABIN)

EMERGENCY LIGHT THIRD FROM THE FRONT IN THE CABIN IS INOP. BULB WAS REPLACED AND LIGHT OPS CHECKED GOOD.

Part: BULB — FAILED (CABIN)

EMERGENCY LIGHT OVER LEFT WING EXIT INOP. BULBS WERE REPLACED AND LIGHT OPS CHECKED GOOD.

Part: ACTUATOR — LEAKING (LT MLG)

HYDRAULIC SYSTEM UTILITY MASTER WARNING LIGHT ILLUMINATED AND UTILITY SYSTEM HYDRAULIC QUANITITY DROPPED TO ZERO. ALTERNATE GEAR EXTENSION PERFORMED AND AIRCRAFT LANDED WITHOUT FURTHER PROBLEMS. LEFT MAIN GEAR AFT DOOR ACTUATOR REPLACED IAW MAINT MANUAL. SERVICED UTILITY SYSTEM AND SYSTEM OPS CHECKED GOOD.

Part: BULBS — FAILED (CABIN)

EXIT LIGHT AT ROW 8 IS OUT. LIGHT PANEL REPLACED AND LIGHT OPS CHECKED GOOD.

Part: SPLICE — LOOSE (CABIN)

FLOOR PROXIMITY LIGHTS ON AISLE SEATS 4, 5 AND 6 ARE INOP. SPLICE REPAIRED AT SEAT 5AB, LIGHTS OPS CHECKED GOOD.

Part: BULB — FAILED (CABIN)

OVERHEAD EVACUATION LIGHT ROW 7 WON'T ILLUMINATE. BULBS WERE REPLACED AND LIGHT OPS CHECKED GOOD.

Part: FUSE — FAILED (BATTERY PACK)

ENTRANCE WAY EXIT SIGN EVAC LIGHT BULBS ARE INOP. FUSE WAS REPLACED IN BATTERY PACK, LIGHTS OPS CHECKED GOOD.

Part: BOX BEAM — CRACKED (BS 1890)

LOGITUDINAL BOX BEAM AT RT SIDE OF PANEL 21A IS CRACKED AT FORWARD PRESS BULKHEAD. CRACK IS LOCATED ON TOP INBOARD CORNER. CRACK NOTED DURING C-CHECK. CRACK REPAIRED I/A/W EA 28-53-327.

Part: BRACKET — CRACKED (MAIN CABIN DOOR)

FORWARD HOOK LATCH BRACKET FOR MAIN CABIN DOOR IS CRACKED THROUGH AFT LOWER RADIUS. CRACK NOTED DURING C-CHECK AND BRACKET REPLACED.

Part: RELEASE MECH — CORRODED (EMER EXIT DOOR)

SERVICE/EMERGENCY DOOR EMERGENCY RELEASE MECHANISM WOULD NOT RELEASE DURING C-CHECK TASK CARD OPS CHECK. EMERGENCY RELEASE MECHANISM REMOVED, CLEANED, LUBED AND REINSTALLED I/A/W MAINT MANUAL. RELEASE MECHANISM OPS CHECKED GOOD.

Part: SKIN — CRACKED (BS 1890)

THREE SMALL CRACKS NOTED IN FUSELAGE SKIN BELOW NUMBER TWO WINDOW POST ON LEFT SIDE OF FUSELAGE. CRACKS NOTED DURING C-CHECK AND REPAIRED I/A/W SRM.

Part: BLKHD BEAM — CRACKED (FWD PRESS BLKHD)

A 4 TO 5 INCH CRACK ON FORWARD PRESSURE BULKHEAD AT BEAM NR 6 COPILOTS SIDE. CRACK NOTED DURING C-CHECK. CRACK REPAIRED I/A/W SRM.

Part: SKIN — CRACKED (BS 15205)

FUSELAGE OUTER SKIN IS CRACKED AT BULKHEAD FRAME STA 15205 AND STRINGER LT 15. ALSO, STRINGER CROSSOVER CASTALLATION REPAIR ON INTERIOR SIDE IS CRACKED. CRACK NOTED DURING C-CHECK AND REPAIRED I/A/W SRM.

Part: BOX BEAM — CRACKED (BS 1890)

LONGITUDINAL BOX BEAM LT SIDE OF PANEL 21A IS CRACKED AT FORWARD PRESS BULKHEAD. CRACK IS LOCATED ON TOP INBOARD CORNER. CRACK NOTED DURING C-CHECK AND REPAIRED I/A/W EA 28-53-327.

Part: NLG BAY WEB — CRACKED (BS 2745)

NOSE LANDING GEAR BAY TOP COVER IS CRACKED AT STA 2745, 4.5 TO 5 INCHES RIGHT ON CENTERLINE, CRACK LENGTH APPROX .5 INCH. SECOND CRACK NOTED AT RIVETS STA 2870, 3 RIVETS RIGHT OF CENTERLINE. CRACK NOTED DURING C-CHECK AND REPAIRED I/A/W SRM.

Part: BLKHD FRAME — CRACKED (FWD PRESS BLKHD)

CRACK NOTED ON FORWARD PRESSURE BULKHEAD FRAME 880/1550 LOWER CHORD LBL CRACK LENGH APPROX 2.5 INCH, LBL 3 TO 6. CRACK REPAIRED I/A/W EA 28-53-328.

Part: WINDOW POST — CRACKED (NR 3 WINDOW)

DURING HFEC INSPECTION OF LT NR 3 WINDOW POST REARWARD FLANGE TYPE-D, CRACK WAS NOTED AT BOLT HOLE NR 4 AND 6. CRACK LENGTH AT BOLT HOLE NR 4 IS .625 INCH, CRACK LENGTH AT BOLT HOLE NR 6 IS .1563 INCH. NUMBER THREE WINDOW POST REPLACED I/A/W EO 28-53-175.

Part: BLKHD STIFFENER — CRACKED (FS 1385)

A CRACK THROUGH RIVET ON VERTICAL STIFFENER BETWEEN NR 3 AND 4 HORIZONTAL BEAMS RT SIDE OF FRONT PRESSURE BULKHEAD FORWARD SIDE. CRACK NOTED DURING C-CHECK. CRACK REPAIRED I/A/W SRM.

Part: BLKHD BEAM — CRACKED (FS 1385)

AFT SURFACE OF FRONT PRESSURE BULKHEAD IS CRACKED AT RT HORIZONTAL BEAM NR 3, CRACK LENGTH IS APPROX 5 INCHES. CRACK NOTED DURING C-CHECK. CRACK REPAIRED I/A/W SRM.

Part: BLKHD WEB — CRACKED (AFT PRESS BLKHD)

REAR PRESSURE BULKHEAD 4 CRACKED BETWEEN BEAMS 425R AND 1050R AT HORIZONTIAL BEAM. CRACK RADIATES HORIZONTIALLY UNDER SUPPORT BRACKET BETWEEN HYDRAULIC LINES AND CANNON PLUGS. CRACK NOTED DURING C-CHECK AND REPAIRED I/A/W SRM.

Part: CIRCUIT BOARD — FAILED (COCKPIT DOOR)

EXIT LIGHT ABOVE COCKPIT DOOR IS INOP. LIGHT CIRCUIT BOARD REPLACED AND LIGHT OPS CHECKED GOOD.

Part: BLKHD ANGLE — CRACKED (FWD PRESS BLKHD)

FORWARD PRESSURE BULKHEAD CONNECTION ANGLE BETWEEN STRINGERS 2 AND 3 IS CRACKED 6 INCHES LEFT OF CENTER LINE BETWEEN 2ND AND 3RD HILOCK. CRACK LENGTH IS APPROX 1 INCH. CRACK NOTED DURING C-CHECK AND REPAIRED I/A/W SRM.

Part: FITTING — CRACKED (MAIN CABIN DOOR)

AFT HOOK LATCH FITTING FOR MAIN CABIN DOOR IS CRACKED THROUGH THE FORWARD SUPPORT BRACKET IN THE DOOR STRUCTURE. CRACK NOTED DURING C-CHECK AND BRACKET REPLACED I/A/W SRM.

Part: WIRE — BROKEN (CABIN)

PDX - EVACUATION LIGHT AT ROW 3A INOP. BROKEN WIRE REPAIRED AT SEAT 2B. LIGHT OPS CHECKED GOOD AND AIRCRAFT RETURNED TO SERVICE.

Part: BULB — FAILED (CABIN)

PDX - EXIT SIGN AT ROW 8 IS DIM ON BOTH SIDES. BULBS WERE REPLACED AND SIGN OPS CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: BULB — FAILED (CABIN)

PDX - FORWARD CABIN AISLE EXIT SIGN HAS SEVERAL EMERGENCY LIGHT BULBS (28V) INOP. ALL SEVEN 28V BULBS REPLACED AND LIGHT OPS CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: BULB — FAILED (CABIN)

PDX - EMERGENCY EXIT LIGHT BURNED OUT ON THE RIGHT SIDE. BULB WAS REPLACED AND LIGHT OPS CHECKED. AIRCRAFT RETURNED TO SERVICE.

Part: BULB — FAILED (CABIN)

PDX - LEFT OVERWING EXIT EMERGENCY LIGHT IS INOP. BULB WAS REPLACED AND LIGHT OPS CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: BULB — FAILED (CABIN)

BOI - RIGHT SIDE EMERGENCY EXIT LIGHT INOP. BULB WAS REPLACED AND LIGHT OPS CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: EEL BULB — FAILED (CABIN)

GEG - CENTER ISLE OVERHEAD EXIT SIGN IS INOP WITH EMERGENCY LIGHT ARMED. BULBS WERE REPLACED AND LIGHT OPS CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: UPLOCK SPRING — BROKEN (LT MLG DOOR)

GEG - LEFT GEAR RED LIGHT REMAINS ILLUMINATED AFTER GEAR DOWN OR UP SELECTION. REPLACED BROKEN RETURN SPRING IN AFT GEAR DOOR UPLOCK ASSY. GEAR INDICATION OPS CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: EEL BULB — FAILED (CABIN)

PDX - EMERGENCY EXIT LIGHT RIGHT SIDE INOP. REPLACED BULB AND LIGHT OPS CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.