N936CA

Part: GENERATOR — FAILED (APU) · airframe 92,267 hrs · 18,318 cycles

APU GENERATOR #2 HAS SPARKS COMING OUT OF CASE - APU AFTER FIRE INSPECTION IN ACCORDANCE WITH AIRCRAFT MAINTENANCE MANUAL 49-11-00. APU COOLING AIR INTAKE DAMAGED. APU DEFERRED PER MINIMUM EQUIPMENT LIST AND GENERATOR WILL BE REPLACED AT A LATER DATE.

Part: POWER SUPPLY — NO TEST (ZONE 200) · airframe 91,315 hrs · 18,170 cycles

DURING HEAVY CHECK C AT KSAT FOUND ON UPPER DECK RH DOOR EMERGENCY TEST FAIL (EMERGENCY S W 51541) ,LOW BATTERY VOLTAGE.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 85,438 hrs · 17,234 cycles

THE R/H UPPER DECK DOOR "OKAY" INDICATOR LIGHT ON THE SECONDARY EICAS DISPLAY IN THE FLIGHT DECK WOULD NOT ILLUMINATE. INDICATOR LIGHT EXAMINES THE EMERGENCY EXIT BATTERY CONDITION. SYSTEM OPERATES NORMALLY - INDICATOR LIGHT DEFERRED PER B747 MEL 52-23-07-01.

Part: BULB — INOPERATIVE (ZONE 200) · airframe 83,851 hrs · 16,937 cycles

EMERGENCY EXIT AISLE LIGHT (CEILING MOUNTED) IN UPPER-DECK NEXT TO AFT-MOST SUPERNUMERARY SEAT ROW, IS INOP. RELAMPED IAW B747 AMM 33-51-02. OPS CHECK GOOD

Part: FLAP — CRACKED (ZONE 600) · airframe 83,596 hrs · 16,898 cycles

DURING SCHEDULED INSPECTION, FOUND CRACK ON THE R/H INBOARD FORE-FLAP THAT EXCEEDS ALLOWABLE DAMAGE LIMITS IN B747 SRM 57-53-01-0I-1 FIGURE 1: CRACK LOCATION AT RWBL 360, ON NOSE RIB SPLICE ANGLE. REMOVED AND REPLACED FORE-FLAP ASSEMBLY.

Part: FLAP — CRACKED (ZONE 500) · airframe 83,596 hrs · 16,898 cycles

DURING SCHEDULED INSPECTION, FOUND CRACK IN L/H OUTBOARD FORE-FLAP INTERNAL SHEAR-TIE WEB EMANATING FROM LOWER EDGE THAT EXCEEDS LIMITS PER B747 SRM 57-53-02-0I-1 FIGURE 1, @ RIB #6 AND LWBL 305 APPROXIMATE. REMOVED AND REPLACED FORE-FLAP ASSEMBLY.

Part: SWITCH — INOPERATIVE (ZONE 600) · airframe 81,156 hrs · 16,486 cycles

DURING REFUEL, FUEL SPILLED FROM THE RIGHT WING OVERBOARD VENT. - OVERFILL PROTECTION FOUND FAULTY. REPLACED RIGHT SURGE TANK FLOAT SWITCH PER AIRCRAFT MAINTENANCE MANUAL 28-21-12.

Part: BULB — INOPERATIVE (ZONE 200) · airframe 80,471 hrs · 16,371 cycles

2 EACH EMERGENCY UPPER DECK EXIT LIGHTS INOPERATIVE. - REPLACED BULBS PER B747-400 AMM 33-51-01.

Part: PANEL — PUNCTURED (ZONE 100) · airframe 79,651 hrs · 16,244 cycles

REFERENCE NATIONAL AIRLINES AIRCRAFT MAINTENANCE LOG PAGE 52103, FORWARD LOWER CARGO COMPARTMENT FLOOR PANEL PUNCTURED AT STATION 680, BETWEEN STRINGERS 45R AND 46R. ACCOMPLISHED TIME LIMITED REPAIR IN ACCORDANCE WITH FLIGHT VEHICLES CONSULTING INC. ENGINEERING ORDER CONTROL # 21221-1 REVISION IR DATED 12/13/2021. DATA APPROVED ON FAA FORM 8110-3 DATED 12/13/2021 BY R. MANASHI DERT-710167-SW.

Part: BATTERY PACK — DISCHARGED (ZONE 200) · airframe 79,055 hrs · 16,138 cycles

R/H EMERGENCY EXIT LIGHT DIM (DURING TEST). REMOVED AND REPLACED THE POWER SUPPLY (BATTERY PACK) PER B747-400 AMM 33-54-01.

Part: BATTERY PACK — INOPERATIVE (ZONE 200) · airframe 79,055 hrs · 16,138 cycles

EMERGENCY EXIT LIGHT BATTERY IS DEAD. - REMOVED AND REPLACED EMERGENCY EXIT BATTERY CHARGER IN ACCORDANCE WITH AIRCRAFT MAINTENANCE MANUAL 33-51-04

Part: SEAT TRACK — CRACKED (ZONE 200) · airframe 79,053 hrs · 16,137 cycles

DURING "OKAY TO INSTALL", FOUND CHANNEL AT BS 2250 AND LBL 67 DAMAGED. ACCOMPLISHED MAJOR REPAIR ON MAIN CABIN SEAT TRACK AT STA 2227 LBL 67 IAW VT SAA EA# 747-5360-56-A9272 REV I/R AND 8110-3 SIGNED BY ROBERT M. MANASHI DERT-710167-SW DATED 08/09/2021 REF VT SAA NRC# B000646.

Part: AILERON — DAMAGED (ZONE 500) · airframe 79,053 hrs · 16,137 cycles

LEFT WING AIRLERON HAS HAIL DAMAGE TO UPPER SKIN AS MARKED. ACCOMPLISHED MAJOR REPAIR OF THE UH AILERON UPPER AND LOWER SKIN P/N 65B02100-21, S/N 0084 IAW SRM 51-70-06 PARA 5 FIG 1 AND PARA 4E, 4F, 4G FIG 1. WEIGHED AND BALANCED UH AILERON IAW SRM 51-60-01 PARA 6C AND UPDATED DATA PLATE. VT-SAA NRC B000262.

Part: THRUST REVERSER — GOUGED (ZONE 400) · airframe 79,053 hrs · 16,137 cycles

#1 ENGINE OTBD T/R FORWARD UPPER FAN COWL LANDING (RING TORQUE BOX RETAINER) GOUGED. ACCOMPLISHED MAJOR REPAIR OF THE #1 ENGINE (LH) THRUST REVERSER RING TORQUE BOX RETAINER GOUGE IAW VT-SAA EA 747-7831-56-A9241 REV. I/R. 8110-3 APPROVED BY ROBERT M. MANASHI DERT-710167-SW DATED 07/26/202. VT-SAA NRC B000302.

Part: FLOORBEAM — BURNED (ZONE 200) · airframe 79,053 hrs · 16,137 cycles

MAIN CABIN FLOOR BEAM LOWER CHORD FOUND WITH HEAT DAMAGE AND BURN MARKS AT BS 980, RBL 92.0. DAMAGE EMANATING FROM POWER FEEDER CABLE ARCING. ACCOMPLISHED MAJOR REPAIR OF THE MDC FLOOR BEAM LOWER CHORD ELECTRICAL ARCING DAMAGE AT STA 980, RBL92 IAW VT-SAA EA 7 4 7-5320-56-A9238 REV. I/R. 8110-3 APPROVED BY ROBERT M. MANASHI DERT-710167-SW DATED 07/29/2021. VT-SAA NRC B000421.

Part: BUSHING — GOUGED (ZONE 600) · airframe 79,053 hrs · 16,137 cycles

UPON REMOVAL OF THE #5 T/E FLAP TRACK, FOUND FWD. MOUNT FITTING BOLT HOLE INNER BUSHINGS GOUGED. ACCOMPLISHED MAJOR REPAIR OF THE R/H WING #5 FLAP TRACK SUPPORT FITTING P/N 65B 11592-24 GOUGE AT WSTA 487.0 IAW VT-SAA EA 747-5751-56-A9245 REV. I/R. 8110-3 APPROVED BY ROBERT M. MANASHI DERT-710167-SW DATED 07/28/2021. VT-SAA NRC B000527.

Part: SKIN — CORRODED (BS 980) · corrosion level 2 · airframe 79,053 hrs · 16,137 cycles

WHILE ACCOMPLISHING T/C 53-830-01-01, FOUND CORROSION ON SKIN DOUBLER, R/H SIDE AT WATER OVERFLOW VALVE AREA. ACCOMPLISHED MAJOR REPAIR R/H FUSELAGE SKIN DOUBLER P/N 65B04118-22,CORROSION AT R/H WATER OUTFLOW VALVE STA 980 IAW EA 747-5320-56-A9230 REV. I/R. 8110-3.

Part: FRAME — GOUGED (ZONE 400) · airframe 79,053 hrs · 16,137 cycles

GOUGE DISCOVERED ON INNER FRAME NEAR HOLD OPEN ROD FOR #4 ENGINE OTBD. CORE COWL. ACCOMPLISHED MAJOR REPAIR OF THE #4 OUTBD (R/H) CORE COWL FRAME P/N 224M4761-539, S/N 1033 GOUGE AT NAC STA 268.50 AND NAC STA 281.12 IAW VT-SAA EA 747-5411-56-A9231 REV. I/R. 8110-3 APPROVED BY ROBERT M. MANASHI DERT-710167-SW DATED 07/26/2021. VT-SAA NRC B000195.

Part: THRUST REVERSER — GOUGED (ZONE 400) · airframe 79,053 hrs · 16,137 cycles

WHILE ACCOMPLISHING TC ACCESS 400 FOUND #4 ENG. I/B SIDE TR SUPPORT WEB BENT AND GOUGED P/N 315U2028-23J, S/N R649-291. ACCOMPLISHED MAJOR REPAIR OF THE #4 ENGINE INBD SIDE T/R SUPPORT WEB FLANGE P/N 315U2028-23J, S/N R649-291 BEND AND GOUGED EDGE IAW VT-SAA EA 747-5400-56-A9225 REV. I/R. 8110-3 APPROVED BY ROBERT M. MANASHI DERT-710167-SW DATED 07/16/202. VT-SAA NRC B000301.

Part: PROXIMITY SENSOR — OUT OF ADJUST (NLG) · airframe 40,833 hrs · 36,935 cycles

ON CLIMBOUT FROM ATW RECEIVED NOSE GEAR DISAGREE. EMERGENCY DECLARED, A/C RETURNED TO ATW LANDED SAFELY. ADJUSTED NOSE GEAR CENTERED PROX SENSOR. OPS CHECK GOOD.

Part: FLAP — MALFUNCTIONED (WING) · airframe 40,532 hrs · 36,645 cycles

FLAPS FAILED AT 0 DEG ON APPROACH INTO YUL. EMERGENCY DECLARED, A/C LANDED SAFELY. COMPLIED WITH TASK CARD SI-2-27I0002, FLAPS FAIL CAUTION MESSAGE FOLLOW UP MAINTENANCE ACTION.

Part: TRANSMITTER — FAULTY (TE FLAP) · airframe 38,001 hrs · 34,251 cycles

EN ROUTE FROM HSV TO DTW RECEIVED FLAP DEGRADED MSG WITH LEFT FLAP INDICATION FLUCTUATING. EMERGENCY DECLARED, A/C DIVERTED TO CVG LANDED SAFELY. REMOVED AND REPLACED LEFT FLAP POSITION TRANSMITTER.

Part: CONTROL HANDLE — FAILED (COCKPIT) · airframe 37,684 hrs · 33,970 cycles

ON APPROACH INTO CVG RECEIVED FLAPS FAIL CAUTION MSG. EMERGENCY DECLARED, A/C LANDED SAFELY. REMOVED AND REPLACED FLAP CONTROL LEVER. NO FURTHER DEFECTS NOTED.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 37,073 hrs · 33,452 cycles

PAX SEAT RAIL ON RIGHT SIDE (MOST AFT) IS CORRODED. REMOVED AND REPLACED PAX SEAT RAIL IAW CRJ AMM 53-11-01-400-801.

Part: SILL — CORRODED (FUSELAGE) · airframe 37,073 hrs · 33,452 cycles

PAX DOOR SILL IS CORRODED. REMOVED AND REPLACED PAX DOOR SILL IAW CRJ AMM 51-42-00.

Part: ANGLE — CRACKED (FUSELAGE) · airframe 37,073 hrs · 33,452 cycles

FS 559, LBL 18, CAP ANGLE CRACKED IN BEND RADIUS. REMOVED AND REPLACED DAMAGED SECTION OF CAP ANGLE IAW REO 601R-53-41-260.

Part: POST — CRACKED (FUSELAGE) · airframe 37,073 hrs · 33,452 cycles

THE POST AT FS 409.00 + 128 RBL 18 IS CRACKED. REMOVED AND REPLACED DAMAGED POST IAW REO 601R-53-41-056.

Part: POST — CRACKED (FUSELAGE) · airframe 37,073 hrs · 33,452 cycles

THE VERTICAL BEAM AT FS 409.00 + 128, LBL 18 AND WL 69.00 IS CRACKED. REMOVED AND REPLACED DAMAGED POST IAW REO 601R-53-41-889.

Part: ANGLE — CRACKED (FUSELAGE) · airframe 37,073 hrs · 33,452 cycles

FS 559, RBL 18, LOWER CAP ANGLE CRACKED IN BEND RADIUS. REMOVED AND REPLACED DAMAGED SECTION OF CAP ANGLE IAW REO-2-53R0010, AND REO 601R-53-41-260.

Part: SKIN — CRACKED (LT WING) · airframe 37,073 hrs · 33,452 cycles

A LT BOOST PUMP MOUNT HOLE IS CRACKED. REPAIRED DAMAGED HOLE IAW REO 601R-57-21-169.

Part: BULKHEAD — CRACKED (FUSELAGE) · airframe 37,073 hrs · 33,452 cycles

FORWARD PRESSURE BULKHEAD CRACKED AT FS 202.75 AROUND PARKING BRAKE CABLE HOLE. REPAIRED FORWARD PRESSURE BULKHEAD IAW REO 601R-53-11-563 AND EA 10-5311-02913.

Part: WEB — CRACKED (FUSELAGE) · airframe 37,073 hrs · 33,452 cycles

FOUND CRACK AT FLOOR WEB JUST O/B OF ADG STOW PUMP, FS 193. REMOVED DAMAGE AND INSTALLED REPAIR DOUBLER IN ACCORDANCE WITH REO 601R-53-11-245 REV B.

Part: BULKHEAD — CRACKED (FUSELAGE) · airframe 37,073 hrs · 33,452 cycles

REAR PRESSURE BULKHEAD WEB IS CRACKED AT LINTEL ATTACHMENT FS 621. REPAIRED REAR PRESSURE BULKHEAD WEB AT LINTEL ATTACHMENT IAW REO 601R-53-61-1230.

Part: SWITCH — FAULTY (THRUST REVERSER) · airframe 32,974 hrs · 30,138 cycles

FLIGHT 5591 - RECEIVED RIGHT T/R REV UNLOCK MESSAGE. FOLLOWED QRH, AFTER EMERGENCY STOW, BUFFETING CONTINUED, SHUTDOWN RIGHT ENGINE. DECLARED EMERGENCY AND LANDED PHL WITHOUT INCIDENT. REPLACED RIGHT T/R STOW SWITCH. NO FURTHER DEFECTS.

Part: PROXIMITY SENSOR — FAULTY (PAX DOOR) · airframe 31,298 hrs · 28,807 cycles

FLIGHT 5111 - RECEIVED PAX DOOR OUTER HANDLE WARNING MESSAGE. PERFORMED QRH, DID NOT RESET. DECLARED EMERGENCY, DIVERTED TO TYS AND LANDED WITHOUT INCIDENT. HANDLE WAS OBSERVED TO BE STOWED ON GROUND. REPLACED PROX SENSOR DI-17. NO FURTHER DEFECTS.

Part: WINDOW — FAILED (COCKPIT) · airframe 31,255 hrs · 28,774 cycles

FLIGHT 5091 - CAPTAIN'S SIDE WINDOW CRACKED AND SHATTERED OUTER LAYER IN FLIGHT AT FL320. AIRCRAFT LANDED SAFELY IN CVG. REMOVED AND REPLACED CAPTAIN'S SIDE WINDOW.

Part: FLAP SYSTEM — UNKNOWN (TE FLAPS) · airframe 31,184 hrs · 28,718 cycles

FLIGHT 5063 - FLAPS FAIL CAUTION MESSAGE RECEIVED. ABORTED APPROACH, THEN LANDED WITHOUT INCIDENT. COMPLIED WITH AD 2006-12-21 FLAP CAUTION MESSAGE -FIRST EVENT- MAINTENANCE ACTION, PARAGRAPH (G) 1, 2, 3 (A, B, C). FLAP SYSTEM WAS RESET WITH NO FURTHER MESSAGES.

Part: STRUT — LOW (NLG) · airframe 31,116 hrs · 28,665 cycles

FLIGHT 9452 - AFTER TAKEOFF FROM RFD RECEIVED A NLG DISAGREE WARNING, CREW DECLARED AN EMERGENCY AND RETURNED TO RFD. PERFORMED COMPLETE SERVICING OF THE NLG STRUT.

Part: TUBE — FAILED (LT WING) · airframe 30,880 hrs · 28,471 cycles

FLIGHT 5223 - EN ROUTE BOS - BNA RECEIVED AN ANIT-ICE DUCT WARNING MESSAGE, FLIGHT DIVERTED TO GSO. REPLACED THE LEFT WING OUTBOARD PICCOLO TUBE.

Part: LANDING GEAR — LACK OF LUBE (NOSE) · airframe 29,406 hrs · 27,285 cycles

FLIGHT 5028 - UPON GEAR DOWN SELECTION NOSE GEAR DID NOT EXTEND. RED GEAR DISAGREE MESSAGE APPEARED. GEAR EXTENDED AFTER MANUAL GEAR HANDLE PULLED. PERFORMED FUNCTIONAL TEST OF GEAR EXTENSION/RETRACTION SYSTEM AND GEAR PRIORITY VALVE TEST, NO DEFECTS NOTED. CLEANED AND LUBRICATED NOSE GEAR, OPS CHECK GOOD.

Part: WINDOW — CRACKED (COCKPIT) · airframe 29,075 hrs · 26,098 cycles

FLIGHT 5126 - DURING CVG APPROACH FROM BHM THE CAPTAINS WINDSHIELD CRACKED. REPLACED THE LEFT COCKPIT WINDSHIELD.

Part: ECU — MALFUNCTIONED (SPOILER) · airframe 28,996 hrs · 26,929 cycles

FLIGHT 5686 - DURING TAKEOFF ROLL AT ERI RECEIVED A SPOILERON CAUTION MESSAGE, FLIGHT RETURNED TO THE GATE. RESET THE SPOILER ELECTRONIC CONTROL UNIT.

Part: UPLOCK — MALFUNCTIONED (NLG) · airframe 27,176 hrs · 25,371 cycles

FLIGHT 5736 - GEAR DISAGREE WARNING. REPLACED THE NLG UPLOCK ASSEMBLY.

Part: CHARGER — MALFUNCTIONED (EMERGENCY LIGHT) · airframe 26,832 hrs · 25,087 cycles

FLIGHT 5157 FORWARD EMERGENCY FLOOD LIGHT IS INOP. REPLACED THE BATTERY CHARGER ASSY.

Part: WIRE — DAMAGED (EMERGENCY LIGHT) · airframe 26,825 hrs · 25,081 cycles

FLIGHT 5445 - EMERGENCY FLOOR LIGHTS ARE INOP. REPLACED TRACK LIGHT JUMPER AT ROW 5.

Part: CONTROL SYSTEM — MALFUNCTIONED (TE FLAPS) · airframe 26,226 hrs · 24,545 cycles

FLIGHT 5144 FLAPS FAIL CAUTION. RESET FLAP SYSTEM AND DEFERRED MAINT PER MEL AND AD 98-20-01.

Part: FLIGHT DIR — MALFUNCTIONED (COCKPIT) · airframe 25,820 hrs · 24,186 cycles

FLIGHT 5303 FLIGHT DIRECTOR WOULD NOT FOLLOW THE ILS. COULD NOT DUPLICATE. CYCLED AIRCRAFT POWER, ALL OPERATIONAL CHECKS WERE SATISFACTORY.

Part: VALVE — FAULTY (NLG) · airframe 25,115 hrs · 23,576 cycles

FLIGHT 5481 DURING HSV APPROACH RECEIVED A GEAR DISAGREE CAUTION. REPLACED THE NLG SELECTOR VALVE.

Part: UPLOCK — MALFUNCTIONED (NLG) · airframe 25,059 hrs · 23,525 cycles

FLIGHT 5884 GEAR DISAGREE WARNING. REPLACED THE NLG UPLOCK ASSY.

Part: WIRE HARNESS — MALFUNCTIONED (NLG) · airframe 25,001 hrs · 23,480 cycles

FLIGHT 4948 GEAR DISAGREE WARNING DURING APPROACH. COULD NOT DUPLICATE, REPLACED THE NLG DOORS WIRING HARNESS.

Part: PRIORITY VALVE — UNRELIABLE (NLG) · airframe 24,897 hrs · 23,390 cycles

FLIGHT 5783 GEAR DISAGREE WARNING. REPLACED THE NLG PRIORITY VALVE.

Part: SKIN — CRACKED (RT WING) · airframe 24,715 hrs · 23,480 cycles

CRACK FOUND ON RIGHT WING PLANK, I/A/W CRJ REO 601R-57-21-130.

Part: SKIN — CRACKED (LT WING) · airframe 24,715 hrs · 23,480 cycles

CRACK FOUND ON LEFT WING PLANK, IAW CRJ REO 601R-57-21-130.

Part: BATTERY — INOPERATIVE (EMERGENCY LIGHT) · airframe 24,468 hrs · 23,055 cycles

DURING PREFLIGHT DISCOVERED EMERGENCY LIGHTING INOPERATIVE. REPLACED 8 EMERGENCY BATTERIES.

Part: WARNING LIGHT — MALFUNCTIONED (RT MLG) · airframe 24,270 hrs · 22,900 cycles

FLIGHT 5530 MLG OVERHEAT WARNING. REPLACED THE RT MLG WHEEL BIN ASSY.

Part: SELECTOR VALVE — MALFUNCTIONED (MLG) · airframe 24,155 hrs · 22,815 cycles

FLIGHT 5740 GEAR DISAGREE WARNING. REPLACED THE MLG SELECTOR VALVE.

Part: PSEU — MALFUNCTIONED (AVIONICS) · airframe 24,093 hrs · 22,773 cycles

FLIGHT 9475 GEAR DISAGEREE WARNING. COULD NOT DUPLICATE, REPLACED THE PSEU.

Part: PUMP — UNRELIABLE (HYD SYSTEM) · airframe 24,060 hrs · 22,743 cycles

FLIGHT 5803 GEAR DISAGREE WARNING. REPLACED THE 3B ACMP.

Part: FLAP — MALFUNCTIONED (WING) · airframe 23,904 hrs · 22,634 cycles

FLIGHT 5146 FLAPS FAIL CAUTION MESSAGE. RESET FLAP SYSTEM AND DEFERRED MAINT PER AD98-20-01.

Part: SKIN — CRACKED (LT WING) · airframe 21,743 hrs · 20,909 cycles

FOUND LOWER LEFT WING PLANK CRACKED AT WS 148.019 DURING EO 57-014. PERFORMED TEMPORARY REPAIR AND DEFERRED PER REO 601R-57-21-138

Part: SKIN — CRACKED (RT WING) · airframe 21,743 hrs · 20,909 cycles

FOUND LOWER RIGHT WING PLANK CRACKED AT WS 148.019 DURING EO 57-014. PERFORMED TEMPORARY REPAIR AND DEFERRED PER REO 601R-57-21-138

Part: LANDING GEAR — LACK OF LUBE (NOSE) · airframe 21,487 hrs · 20,697 cycles

FLIGHT 5833 GEAR DISAGREE WARNING. CLEANED AND LUBED NOSE LANDING GEAR.

Part: PSEU — MALFUNCTIONED (AVIONICS) · airframe 21,477 hrs · 20,691 cycles

FLIGHT 5786 NLG FAILED TO EXTEND WHEN SELECTED DOWN. REPLACED THE PSEU.

Part: PUMP — WEAK (3A) · airframe 20,619 hrs · 19,962 cycles

FLIGHT 5546 GEAR DISAGREE WARNING SELECTED DOWN.REPLACED HYDRAULIC PUMP 3A.

Part: BATTERY — DISCHARGED (CABIN) · airframe 20,295 hrs · 19,669 cycles

FLIGHT 5242 EMERGENCY LIGHTS INOP - SWITCH LEFT ON.REPLACED EMERGENCY BATTERIES.

Part: FLAP · airframe 19,943 hrs · 19,354 cycles

FLIGHT 5827 FLAPS FAILED DURING APPROACH.COULD NOT DUPLICATE. C/W SERVICE BULLETINS 27-114A & 27-120A WHICH INSTALLS NEW AND IMPROVED FLAP ACTUATORS.

Part: PDU — INSTALLED (WING) · airframe 19,940 hrs · 19,350 cycles

FLIGHT 5675 FLAPS FAIL WARNING DURING APPROACH.COULD NOT DUPLICATE. REPLACED THE PDU FOR TROUBLESHOOTING.

Part: BPSU — MALFUNCTIONED (L/H) · airframe 19,937 hrs · 19,347 cycles

FLIGHT 5862 FLAPS FAILED AT 34 DEGREES DURING APPROACH.REPLACED THE FLAP BPSU'S.

Part: ACTUATOR — UNRELIABLE (L/H) · airframe 19,933 hrs · 19,347 cycles

FLIGHT 5489 FLAPS FAIL MESSAGE.REPLACED THE L/H INBD FLAP ACTUATORS.

Part: SKIN · airframe 18,932 hrs · 18,440 cycles

L/H WING, LOWER SKIN FUEL PANEL LANDING @ WS95.950 HAS CORROSION .008" DEEP.REMOVED CORROSION BY BLENDING. PERFORMED EDDY CURRENT INSP TO ENSURE COMPLETE DAMAGE REMOVAL. FLAP PEENED REWORKED AREAS, AND REAPPLIED PROTECTIVE FINISH. ALL WORK WAS PERFORMED I/A/W BOMBARDIER INC REO 601R-57-21-030 REV A.

Part: ANGLE — CRACKED (FS 621) · airframe 18,932 hrs · 18,440 cycles

THERE WAS A CRACKED INTERCOSTAL ANGLE AT STR 12L BETWEEN FS621 AND FS625.3.REMOVED THE CRACKED ANGLE. FABRICATED PER SAMPLE (FROM S6144-4 PERFORMED ANGLE) A REPAIR ANGLE AND INSTALLED THE REPAIR ANGLE I/A/W WVAC EO 601R-53-3390.

Part: SKIN · airframe 18,932 hrs · 18,440 cycles

FUSE SKIN @ F.S. 409.96 @ STRINGERS 24R & 25R HAS A 2"X3"X.100" DENT.CUT OUT DAMAGED SECTION OF SKIN PERFOMRED EDDY CURRENT INSP TO ENSURE STRUCTURAL INTEGRITY. FABRICATED AND INSTALLED FILLER AND REPAIR DOUBLER FROM 2024 T3-.063" P/O 22808 I/A/W CRJ SRM 53-00-31 REPAIR #1 FIG 204 SHEET 3. REAPPLIED PROTECTIVE FINISH AND PERFORMED PRESSURE/LEAK CHECK.

Part: BATTERY — DISCHARGED (AVIONICS) · airframe 18,724 hrs · 18,235 cycles

FLIGHT 5556 - EMERGENCY LIGHTS ARE INOP.REPLACED THE EMERGENCY BATTERIES.

Part: WINDSHIELD — CRACKED (COCKPIT) · airframe 18,412 hrs · 17,704 cycles

FLIGHT 9464. DURING REPOSITIONING FLIGHT TO TYS FROM CVG (NON-REVENUE) THE CAPTAINS' WINDSHIELD CENTER PANE SHATTERED WHEN CLIMBING THROUGH 13,500 FEET. AIRCRAFT RETURNED TO CVG AND LANDED SAFELY.REPLACED THE CAPTAINS WINDSHIELD.

Part: POTENTIOMETER — MALFUNCTIONED (FLAPS) · airframe 17,758 hrs · 17,303 cycles

FLIGHT 5290 FLAP OVER SPEED WARNING AFTER T/O.REPLACED THE FLAP POSITION POT.

Part: BEAM — CRACKED (AFT EQUIPMENT BA) · airframe 17,166 hrs · 16,661 cycles

1" CRACK ON TOP LEFT SIDE OF ENGINE SUPPORT BEAM FOUND. LOCATED 7 RIVETS TO THE LEFT OF BL0.0.REPAIRED DAMAGE I/A/W REO 601R-53-61-345 BY INSTALLING DOUBLERS AT TOP AND BOTTOM OF ENGINE SUPPORT BEAM AT BLO.0.

Part: BEAM — CRACKED (AFT EQUIPMENT BA) · airframe 17,166 hrs · 16,661 cycles

CRACK APPROXIMATELY 1" LONG AT ENGINE SUPPORT BEAM LEFT LOWER ACCESS PANEL.REPAIRED DAMAGE I/A/W REO 601R-53-61-366 BY REMOVING DAMAGE AND INSTALLING A DOUBLER.

Part: HOSE — LEAKING (LT MLG EQUIP BAY) · airframe 16,682 hrs · 16,164 cycles

FLIGHT #5878. HYRAULIC #3 LOW PRESSURE CAUTION MESSAGE RECEIVED DURING DESCENT INTO ORD. HYDRAULIC SYNOPTIC PAGE INDICATED ZERO PERCENT QUANTITY IN #3 SYSTEM, ACCOMPLISHED QRH PROCEDURE; EXTENDING LANDING GEAR MANUALLY. AIRCRAFT LANDED SAFELY AND WAS TOWED TO THE GATE.REPLACED LEAKING HYDRAULIC PUMP 3A PRESSURE HOSE ASSEMBLY.

Part: BEAM — CRACKED · airframe 16,506 hrs · 15,981 cycles

DURING INCORORATION OF COMAIR EO 53-021 (VISUAL INSP. OF THE ENGINE SUPPORT BEAM) THE ENGINE SUPPORT BEAM WAS FOUND CRCKED 1.5" ON RH SIDE LOWER WEB I/B CORNER AT FS 621.0 - FS 640.0PERFORMED A TEMPORARY MAJOR REPAIR TO ENGINE SUPPORT BEAM LOWER WEB I/B CORNER AT FS 621.0 - FS 640.0 I/A/W CRJ REO 601R-53-61-358.

Part: STIFFENER — CRACKED (FUSELAGE) · airframe 16,506 hrs · 15,981 cycles

THE VERTICAL STIFFENER AT RBL 9 IS CRACKED. REMOVED OLD VERTICAL STIFFENER AT RBL 9 AND INSTALLED NEW STIFFENER ALT P/N 600-34017-724 IAW WVAC EO 601R-53-2501.

Part: SPLICE PLATE — DEFECTIVE · airframe 16,506 hrs · 15,981 cycles

TWO SPLICE PLATES WERE FABRICATED INCORRECTLY.FABED DOUBLER PLATES, REWORK SPLICE PLATES AND INSTALLED DOUBLERS I/A/W WVAC EO 601R-53-2500.

Part: FLOOR SUPPORT — CRACKED (FUSELAGE) · airframe 16,506 hrs · 15,981 cycles

FLOOR SUPPORT FITTING OUTBOARD OF RBL 9 FS 460 IS CRACKED. REMOVED CRACKED FLOOR SUPPORT FITTING OUTBOARD OF RBL 9 FS 460 P/N 600-31068-19 AND REPLACED WITH NEW FITTING P/N 600-31068-19 IAW WVAC EO 601R-53-2431.

Part: CONTROL HANDLE — MALFUNCTIONED (COCKPIT) · airframe 16,480 hrs · 15,952 cycles

FLAPS FAIL CAUTION MESSAGE. REPLACED THE FLAP CONTROL LEVER.

Part: BPSU — FAILED (RT FLAP) · airframe 16,262 hrs · 15,736 cycles

FLAPS FAIL MESSAGE. REPLACED THE RT BPSU.

Part: ACTUATOR — FAILED (RT FLAP) · airframe 10,250 hrs · 15,723 cycles

FLAPS FAILED DURING APPROACH. REPLACED RT FLAP ACTUATOR.

Part: POWER UNIT — MALFUNCTIONED (WING) · airframe 16,247 hrs · 15,720 cycles

FLAPS FAILED. REPLACED THE FLAP POWER DRIVE.

Part: LEVER — MALFUNCTIONED (INST PANEL) · airframe 16,246 hrs · 15,721 cycles

FLAPS FAIL MESSAGE. REPLACED THE FLAP SELECTOR LEVER ASSY.

Part: BPSU — MALFUNCTIONED (TE FLAPS) · airframe 15,987 hrs · 15,437 cycles

FLAPS FAILED AT 41 DEGREES. REPLACED THE RT BPSU.

Part: ACTUATOR — JAMMED (TE FLAPS) · airframe 15,986 hrs · 15,437 cycles

FLAPS FAILED WHEN SELECTED TO 45 DEGREES. REPLACED THE RT NR 3 FLAP ACTUATOR.

Part: BPSU — MALFUNCTIONED (TE FLAPS) · airframe 15,983 hrs · 15,433 cycles

FLAPS FAIL CAUTION MESSAGE. REPLACED THE LT BPSU.

Part: CONTROL UNIT — MALFUNCTIONED (TE FLAPS) · airframe 15,967 hrs · 15,415 cycles

FLAPS FAILED AT 41 DEGREES. RESET THE FLAP SYSTEM AND DERFERRED MAINT PER AD 98-20-01.

Part: PANEL — CRACKED (LT WING) · airframe 15,932 hrs · 15,385 cycles

ND1 INDICATES CRACKS AT 2 LT WING ACCESS HOLES: 540DB W.S. 95.950 AND 540 EB W.S. 116.366. BLENDED DAMAGE, ROTO-PEENED AND ALODINED. ALL WORK DONE. IAW REO 601R-57-21-030.

Part: DOUBLER — DAMAGED (FUSELAGE SKIN) · airframe 15,678 hrs · 15,139 cycles

LT LOWER REPAIR DOUBLER FWD OF PAX DOOR AT FS 310.0 IS DAMAGED. REPAIRED DAMAGED AREA AT FS 310.0 IAW REO 601R-53-21-180.

Part: BUSHING — WORN (HORIZONTAL STAB) · airframe 15,678 hrs · 15,139 cycles

VERTICAL STABILIZER RIGHT HORIZONTAL STABILIZER PIVOT BUSHING WORN. REMOVED WORN BUSHING. VERIFIED RT VERT LUG BORE TO BE IN TOLERANCE AT 1.7001 INCH. MACHINED FLANGE OF BUSHING P/N 600-21061-7 TO .070 INCH IAW WVAC EO 601R-55-1903A. INSTALLED BUSHING IAW CRJ AMM 20-26-00-910-803. REAMED BORE TO TOLERANCE IAW DWG 600-21029.

Part: BUSHING — WORN (HORIZONTAL STAB) · airframe 15,678 hrs · 15,139 cycles

VERTICAL STABILIZER LEFT HORIZONTAL STABILIZER PIVOT BUSHING WORN. REMOVED WORN BUSHING. VERIFIED LT VERT LUG BORE TO BE OUT OF LIMITS AT 1.7020 INCH. TOOK 1ST OVERSIZE BUSHING P/N 601R55-31-002-5 AND MACHINED AND CAD PLATED IAW REO 601R-55-31-026 CHANGING BUSHING P/N TO 601R-55-31-026-1. MACHINED FLANGE OF BUSHING P/N 601R-55-31-026-1 TO .070 INCH IAW WVAC EO 601R-55-1903A. INSTALLED BUSHING IAW CRJ AMM 20-26-00-910-803. REAMED BUSHING BORE TO TOLERANCE 1.5001 INCH IAW DWG 600-21029.

Part: ENGINE — OVERSERVICED (LEFT) · airframe 15,036 hrs · 14,774 cycles

THE LEFT ENGINE INCREASED TO 160 DEGREES DURING CLIMBOUT. FOUND THE LEFT ENGINE OVER SERVICED WITH OIL, SERVICED TO PROPER LEVEL.

Part: ANGLE — CRACKED (FUSELAGE) · airframe 14,919 hrs · 14,370 cycles

FOUR CRACKED ANGLES AT FUSELAGE FS 484.0 OUTBOARD OF LBL 27 AND RBL 27. (UNDER FLOORBOARDS 261 DLF AND 262 DRF). REPAIRED CRACKED ANGLES AT FUSELAGE FS 484.0 OUTBOARD OF LBL 27 AND RBL 27 IAW WVAC EO 601R-53-1529A.

Part: SEAT TRACK — CRACKED (FUSELAGE) · airframe 14,919 hrs · 14,370 cycles

SEAT TRACK FLOORBEAM AT RBL 27 AND FS 280 CRACKED. REMOVED THE O/B CRACKED FLANGE AND FABBED NEW ANGLE AND FILLED PLATE, INSTALLED IAW WVAC EO 601R-53-1533.

Part: LIGHT — INOPERATIVE (EXTERIOR) · airframe 14,756 hrs · 14,205 cycles

EXTERIOR EMERGENCY LIGHT AT CABIN DOOR IS INOPERABLE. DEFERRED MAINTENANCE PER MEL.

Part: GCU — MALFUNCTIONED (E/E BAY) · airframe 14,553 hrs · 14,002 cycles

LEFT GENERATOR TRIPPED AND WOULD NOT RESET. REPLACED THE GCU.

Part: SWITCH — NOISY (THRUST REVERSER) · airframe 14,426 hrs · 13,862 cycles

CLICKING NOISE FROM QUADRANT WHEN POWER LEVERS ARE MOVED. REPLACED LEFT HAND THRUST REVERSER DEPLOY MICROSWITCH.

Part: WARNING SYSTEM — ACTIVATED (HSTA) · airframe 14,294 hrs · 13,730 cycles

CONFIG STAB WARNING DURING TAKEOFF. REPLACED THE HSTA.

Part: ANGLE — CRACKED (FUSELAGE)

VERTICAL STIFFENER LBL 10 FROM WL 69 UPWARDS UNDER CBP1 HAD CRACK. INSTALLED NEW STIFFENER IAW WVAC EO 601R-53-007.

Part: STIFFENER — CRACKED (FUSELAGE)

VERTICAL STIFFENER LBL 10 FROM NL 69 UPWARDS UNDER CBP1 HAD CRACK. INSTALLED NEW STIFFENER IAW WVAC EO 601R-53-0907.

Part: FLOORBEAM — CRACKED (BS 280)

THE FLOOR MEMBER (P/N 600-34017-17) AT FS 280 WAS CRACKED .25 APPROX 1 INCH TO THE RIGHT OF FLOOR SUPPORT AT RBL 9. PERFORMED A MAJOR REPAIR TO FLOOR MEMBER (P/N 600-34017-17) AT FS 280, 1 INCH TO THE RIGHT OF RBL 9 IAW WVAC EO 601R-53-0901.

Part: CLIP — CRACKED (BS 280)

VERTICAL ATTACH CLIP CRACKED INBOARD SIDE RBL 9 FS 28. INSTALLED NEW CLIP IAW WVAC EO 601R-53-0902.

Part: ANGLE — CORRODED (BS 310 - 349)

PAX DOOR SUPPORT THRESHOLD WAS CORRODED FS 310-349. REPAIRED PAX DOOR THRESHOLD SUPPORT ANGLE IAW WVAC EO 601R-53-0900A.

Part: CHANNEL — CRACKED (BS 280)

AFT J CHANNEL FS 280 CRACKED INSIDE FLOORBEAM RBL 9 AND CORRODED FROM LBL 9 TO RBL 9. INSTALLED NEW J CHANNEL SPLICE IAW WVAC EO 601R-53-0927A.

Part: CLIP — CRACKED (BS 280)

VERTICAL ATTACH CLIPS LBL 9 FLOORBEAM TO FS 280 BOTH CRACKED. REMOVED AND INSTALLED NEW CLIPS IAW WVAC EO 601R-53-0902.

Part: CHANNEL — CORRODED (BS 280)

FORWARD J CHANNEL FS 280, RBL 9 TO LBL 9, CORRODED. REMOVED AND INSTALLED FORWARD J CHANNEL ANGLE FS 280 IAW WVAC EO 601R-53-0903.

Part: FLOORBEAM — CORRODED (BS 280 - 353)

RBL 27 FLOORBEAM CAP CORRODED BEYOND LIMITS FROM FS 280 TO FS 353. INSTALLED NEW FLOORBEAM CAP IAW REO 601R53-00-027 REV N/C AND WVAC EO 601R-53-0919.

Part: SUPPORT — CORRODED (BS 349)

FRAME 349 SUPPORT PLATES LBL 9 TO LBL 27 AND RBL 9 TO RBL 27 CORRODED. REPLACED CORRODED TOP PLATES IAW WVAC EO 601R-53-0904.

Part: SUPPORT — CORRODED (BS 349)

FRAME 349 SUPPORT PLATE OUTBOARD OF LBL 27 CORRODED BEYOND LIMITS WL 73. INSTALLED NEW SUPPORT PLATE IAW WVAC EO 601R-53-0904.

Part: ANGLE — CORRODED (THRESHOLD)

THRESHOLD SUPPORT ANGLE PAX DOOR CORRODED. INSTALLED NEW SUPPORT ANGLE IAW WVAC EO 601R-53-0906.

Part: ANGLE — CORRODED (BS 319 - 349)

SERVICE DOOR THRESHOLD SUPPORT ANGLE CORRODED BEYOND LIMITS. INSTALLED A NEW ANGLE IAW WVAC EO 601R-53-0905.

Part: FLOORBEAM — CORRODED (BS 280 - 390)

LBL 9 FLOORBEAM CAP CORRODED BEYOND LIMITS FS 280 TO FS 390. INSTALLED NEW SECTION OF CAP IAW REO 601R-53-00027.

Part: FRAME — CRACKED (BS 718)

FRAME FLANGE AND AFT DOUBLER AT FS 718.0 LHS STR 10-12 ARE CRACKED. PERFORMED A MAJOR REPAIR TO CRACKED FRAME FLANGE AND REPLACED AFT DOUBLER AT FS 718.0 LHS STR 10-12 IAW CRJ REO 601R-53-61-193 REV A.

Part: ADSHC — INOP (LEFT)

PITOT BASE HEAT CAUTION MESSAGE.\NREPLACED THE ADSHC.

Part: FITTING — DEFECTIVE (RT FUEL SYS)

DURING COLLECTOR TANK CHECK VALVE FUNCTIONAL TEST, THE RIGHT CHECK VALVE WAS FOUND TO BE LEAKING. DURING INVESTIGATION, THE CHECK VALVE FITTING WAS FOUND TO HAVE A MANUFACTURING DEFECT, NOT ALLOWING THE CHECK VALVE TO SEAT PROPERLY. THE FITTINGS CHECK VALVE MATING SURFACE HAS A RISE, WITH A SMALL CRACK NEXT TO IT. THE CHECK VALVE FITTING WAS REPLACED.

Part: ACTUATOR — MALFUNCTIONED (HORZ STAB)

PITCH TRIM AND NOSE DOWN MESSAGE, CO-PILOT HAD TO USE STRONG FORWARD PRESSURE TO KEEP AIRCRAFT FROM CLIMBING. REPLACED THE PITCH TRIM ACTUATOR.

Part: PSEU — MALFUNCTIONED (LANDING GEAR)

LANDING GEAR WILL NOT EXTEND. REPLACED THE PSEU.

Part: PAD — FAILED (MLG)

A WEAR PAD P/N 5010880-1 OF THE NUMBER ONE STATIONARY DISK SEPARATED FROM THE BRAKE. THE ANTI-ROTATION TAB OF THE PAD MAY HAVE FAILED. INSPECTION OF THE REST OF THE BRAKE FOUND NO OTHER DEFECTS. REMAINING PIECES OF THE WEAR PAD WERE SENT TO AIRCRAFT BRAKING SYSTEMS OF FURTHER EVALUATION.

Part: PLUNGER — BENT (SERVICE DOOR)

DURING C-CHECK, FOUND SERVICE DOOR PLUNGER BENT. REPLACED PLUNGER.

Part: BOLT — BENT (PAX DOOR)

DURING C-CHECK, FOUND PAX DOOR FORWARD STOP BOLT ASSY BENT. REPLACED STOP BOLT.

Part: SUPPORT — BROKEN (CARGO COMPT)

DURING C-CHECK, FOUND CARGO DOOR STEP PLATE SUPPORT BROKEN. REPLACED CARGO DOOR STEP PLATE SUPPORT.

Part: WIRE — BURNED (COCKPIT)

MELTING PLASTIC, ELECTRICAL BURNING SMELL IN COCKPIT WITH EXTERNAL POWER IN USE. REPAIRED BURNED WIRING AT CIRCUIT BREAKER PANEL NR 3.

Part: PUMP — FAILED (NR 3 HYD SYST)

NR 3 HYDRAULIC SYSTEM LOW PRESSURE WARNING DURING FLIGHT. SYSTEM QUANTITY INDICATED EMPTY. REPLACED NR 3 HYDRAULIC PUMP.

Part: LOCK PIN — NOT REMOVED (NLG)

NLG DISAGREE MESSAGE. NLG DID NOT RETRACT. REMOVED LOCK PIN FROM NLG AND AIRCRAFT RETURNED TO SERVICE.

Part: CAM SWITCH — DEFECTIVE (THROTTLE QUAD)

AFTER LANDING, GROUND SPOILERS RETRACTED AND THEN REDEPLOYED UNCOMMANDED. REPLACED THE THROTTLE ADJUSTABLE CAM SWITCH UNIT. PART TOTAL CYCLES,

Part: FAN BLADE — DAMAGED (RT ENGINE)

SEVERE VIBRATION FROM THE RT ENGINE. FOUND RT ENGINE FAN BLADES DAMAGED BY APPARENT ICE INGESTION. REPLACED 18 DAMAGED BLADES.

Part: DUCT — CRACKED (RT WING)

ANTI-ICE DUCT WARNING MESSAGE ON EICAS. REPLACED CRACKED PICOLLO TUBE AT RT OUTBD WING.

Part: FUEL CONTROL — DEFECTIVE (LT ENGINE)

THERE IS A POWER LEVER WIDTH STAGGER BETWEEN THE LT AND RT POWER LEVERS. REPLACED THE LT ENGINE FUEL CONTROL UNIT.

Part: PITOT TUBE — CONTAMINATED (FWD FUS)

THERE IS A 55 KNOT DIFFERENCE BETWEEN THE NR 1 AND STANDBY AIR SPEED INDICATORS. CLEARED WATER FROM PITOT SYSTEM LINES AND SYSTEM TEST NORMAL.

Part: IDG — FAILED (RIGHT)

NR 2 GENERATOR FAILED INFLIGHT, FOLLOWED BY NR 1 GENERATOR FAILURE, RAT DEPLOYED. REPLACED THE NR 2 INTEGRATED DRIVE GENERATOR, NO DEFECTS NOTED ON NR 1 IDG.

Part: SHUTOFF VALVE — DEFECTIVE (LEFT)

NR 1 HYDRAULIC SHUTOFF VALVE WILL NOT OPEN. REPLACED THE LT HYDRAULIC SHUTOFF VALVE.

Part: ACTUATOR — INOP (RUDDER)

RUDDER CONFIG MESSAGE ALTHOUGH SYSTEM IS DEFERRED. WITH RUDDER TRIM INDICATING ZERO DEGREES. REMOVED AND REPLACED RUDDER TRIM ACTUATOR WITH SERVICEABLE UNIT. OPERATIONAL CHECK GOOD.

Part: MODULE — LEAKING (NLG STEERING)

HYDRAULIC FLUID LEAKING FROM NLG AREA. REPLACED THE NWS SERVO.

Part: CONTROL VALVE — DEFECTIVE (SPOILERS)

INBD GROUND SPOILERS CAUTION MESSAGE ON EICAS. REPLACED THE GROUND SPOILERS CONTROL VALVE.

Part: SECU — DEFECTIVE (SPOILER SYST)

FLIGHT SPOILER CAUTION MESSAGE ON EICAS. REPLACED THE NR 1 SECU.

Part: SELECTOR VALVE — MALFUNCTIONED (WING CENTER)

LANDING GEAR DISAGREE MESSAGE ON EICAS. LEFT MLG DOES NOT INDICATE UP. DISCREPANCY CANNOT BE DUPLICATED, REPLACED MLG SELECTOR VALVE FOR TROUBLESHOOTING.

Part: SECU — FAILED (NR 1 SPOILER)

OUTBD GROUND SPOILERS FAULT MESSAGE ON EICAS. REPLACED THE NR 1 SPOILER ELECTRONIC CONTROL UNIT.

Part: UPLOCKS — DIRTY (LANDING GEAR)

THE MLG WOULD NOT FULLY RETRACT. GEAR DISAGREE MESSAGE ON EICAS. CLEANED ICE AND GRIT FROM UPLOCKS. GEAR RETRACT CHECK NORMAL.