# Service difficulty reports: N446MC A list on [N446MC](https://openairdocs.org/aircraft/N446MC.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. Page 1 of 2 · 68 reports - [SDR UIEA2025080901117](https://openairdocs.org/sdr/UIEA2025080901117.md): Engine · vibration · Aug 9, 2025 · N446MC · Boeing 7474B5F · Engine (Turbine/Turboprop) > NR 2 ENG EXCESSIVE VIBRATION 4.5 N1. NO CHANGE WHEN THROTTLE REDUCED AT CRUISE LEVEL. VIBRATION FELT THROUGH RUDDER PEDALS. MAX RECORDED 5.0(

#2 ENG 2 EACH BALANCE WEIGHT REMOVED, ENG #2 VIB TRIM BALANCE PERFORMED IAW AMM 71-00-00 & AMM 72-31-00. RESULT MAX - [SDR UIEA2025071800977](https://openairdocs.org/sdr/UIEA2025071800977.md): Bulb · inoperative · Aug 8, 2025 · N446MC · Boeing 7474B5F · Emergency Lighting > LEFT DOOR 1, CEILING FWD EMERGENCY LIGHT (L5735) FOUND INOPERATIVE. REPLACED THE LIGHT BULB FOR L1 DOOR CEILING FWD EMERGENCY LIGHT IAW AMM 33-51-07. OPS TESTED NORMAL. - [SDR UIEA2025072301010](https://openairdocs.org/sdr/UIEA2025072301010.md): Fitting · cracked · Aug 8, 2025 · N446MC · Boeing 7474B5F · Fuselage Main, Attach Fittings > ONE CRACK WAS FOUND ON BS 1000 INTERCOSTAL LUG FITTING AT RBL 11.33. INTERCOSTAL LUG FITTING REPLACED IAW EO 4453C024, REV.4, PART 7, STEP 3. NO FURTHER DEFECTS NOTED. - [SDR UIEA2025072401020](https://openairdocs.org/sdr/UIEA2025072401020.md): Lamp · inoperative · Aug 8, 2025 · N446MC · Boeing 7474B5F · Emergency Lighting > L1 DOOR L1854 EMERGENCY LIGHT FOUND INOPERATIVE. L1 DOOR L1854 EMERGENCY LIGHTT LAMP REPLACED AND TESTED NORMAL IAW AMM 33-51-05. - [SDR UIEA2025072501025](https://openairdocs.org/sdr/UIEA2025072501025.md): Seat Track · corroded · Aug 8, 2025 · N446MC · Boeing 7474B5F · Fuselage, Seat/Cargo Attach Fittings > MAIN DECK, BS 1890-1900, LBL 11, SEAT TRACK FOUND CORRODED. SEAT TRACK CORROSION AREA REMOVED IAW SRM 51-10-02 AND REPROTECTED IAW SRM 51-20-01 BLEND OUT AREA MEASURED L: 5" X W: 0.7" X D: 0.005", WITHIN SRM 53-00-52-1A-1 ALLOWABLE DAMAGE 1, FIG. 101 LIMITS. - [SDR UIEA2025072601027](https://openairdocs.org/sdr/UIEA2025072601027.md): Seat Track · corroded · Aug 8, 2025 · N446MC · Boeing 7474B5F · Fuselage, Seat/Cargo Attach Fittings > MAIN DECK, BS 1800-1820, LBL33, SEAT TRACK FOUND CORRODED. SEAT TRACK CORROSION REMOVED IAW SRM 51-10-02 AND REPROTECTED IAW SRM 51-20-01 AND BLEND OUT AREA MEASURED L: 3" X W: 0.7" X D: 0.008", WITHIN SRM 53-00-52-1A-1. ALLOWABLE DAMAGE 1, FIG 101 LIMITS. NO - [SDR UIEA2025072601028](https://openairdocs.org/sdr/UIEA2025072601028.md): Seat Track · corroded · Aug 8, 2025 · N446MC · Boeing 7474B5F · Fuselage, Seat/Cargo Attach Fittings > MAIN DECK, BS 1920-1940, RBL 33. SEAT TRACK FOUND CORRODED. SEAT TRACK CORROSION REMOVED IAW SRM 51-10-02 & REPROTECTED IAW SRM 51-20-01 AND BLEND OUT AREA MEASURED L: 11" X W: 0.7" X D: 0.009", WITHIN SRM 53-00-52-1A-1. ALLOWABLE DAMAGE 1, FIG. 101 LIMITS. - [SDR UIEA2025072601030](https://openairdocs.org/sdr/UIEA2025072601030.md): Seat Track · corroded · Aug 8, 2025 · N446MC · Boeing 7474B5F · Fuselage, Seat/Cargo Attach Fittings > MAIN DECK, BS 1900-1920, RBL 33, SEAT TRACK FOUND CORRODED. SEAT TRACK CORROSION REMOVED IAW SRM 51-10-02 & REPROTECTED IAW SRM 51-20-01 AND BLEND OUT AREA MEASURED L:8" X W: 0.7" X D: 0.007", WITHIN SRM 53-00-52-1A-1. ALLOWABLE DAMAGE 1, FIG 101 LIMITS. N - [SDR UIEA2025072601031](https://openairdocs.org/sdr/UIEA2025072601031.md): Seat Track · corroded · Aug 8, 2025 · N446MC · Boeing 7474B5F · Fuselage, Seat/Cargo Attach Fittings > MAIN DECK, BS 1780-1800, RBL 33, SEAT TRACK FOUND CORRODED. SEAT TRACK CORROSION REMOVED IAW SRM 51-10-02 & REPROTECTED IAW SRM 51-20-01 AND BLEND OUT AREA MEASURED L: 5" X W: 0.7" X D: 0.008", WITHIN SRM 53-00-52-1A-1. ALLOWABLE DAMAGE 1, FIG 101 LIMITS. NO - [SDR UIEA2025072601032](https://openairdocs.org/sdr/UIEA2025072601032.md): Seat Track · corroded · Aug 8, 2025 · N446MC · Boeing 7474B5F · Fuselage, Seat/Cargo Attach Fittings > MAIN DECK, BS 1800-1820, LBL 11, SEAT TRACK FOUND CORRODED. SEAT TRACK CORROSION REMOVED IAW SRM 51-10-02 & REPROTECTED IAW SRM 51-20-01 AND MEASURED L:6"X W:0.7" X D: 0.006" WITHIN SRM 53-00-52-1A-1. ALLOWABLE DAMAGE 1 FIG 01 LIMITS. NO FURTHER DEFCTS NOTED - [SDR UIEA2025072601033](https://openairdocs.org/sdr/UIEA2025072601033.md): Seat Track · corroded · Aug 8, 2025 · N446MC · Boeing 7474B5F · Fuselage, Seat/Cargo Attach Fittings > MAIN DECK, BS 1850-1860, RBL 11 SEAT TRACK FOUND CORRODED. SEAT TRACK CORROSION REMOVED IAW SRM 51-10-02 & REPROTECTED IAW SRM 51-20-01 AND BLEND OUT AREA MEASURED L:5" X W: 0.7" X W: 0.006" WITHIN SRM 53-J00-52-1A-1. ALLOWABLE DAMAGE 1 FIG 101 LIMITS. NO FUR - [SDR UIEA2025072701034](https://openairdocs.org/sdr/UIEA2025072701034.md): Web · cracked · Aug 8, 2025 · N446MC · Boeing 7474B5F · Fuselage Miscellaneous Structure > ON RT LONGERON FITTING AT BS 1480 INSPECTION, ADJACENT WEB AREA FOUND CRACKED. VERTICAL WEB CRACK AREA REPAIRED IAW SRM 53-40-08-2R-1, REPAIR 1, FIG 201, AND RI-53-40-17798, REV A. NO FURTHER DEFECTS NOTED. - [SDR UIEA2025072801045](https://openairdocs.org/sdr/UIEA2025072801045.md): Skin · cracked · Aug 8, 2025 · N446MC · Boeing 7474B5F · Nacelle/Pylon, Plate/Skin > NUMBER 1 PYLON RT 452ER CUTOUT LOWER AFT CORNER FOUND CRACKED. PYLON SKIN REPAIRED IAW RI-54-50-17809, REV.A. NO FURTHER DEFCTS NOTED. - [SDR UIEA2025072901056](https://openairdocs.org/sdr/UIEA2025072901056.md): Panel · damaged · Aug 8, 2025 · N446MC · Boeing 7474B5F · Nacelle/Pylon, Main Frame > NUMBER 3 PYLON 472FL PRSOV PANEL FOUND ONE FASTENER HOLE ELONGATED. PANEL REPLACED IAW RI-54-50-17797, REV A. NO FURTHER DEFECTS NOTED - [SDR UIEA2025073001072](https://openairdocs.org/sdr/UIEA2025073001072.md): Channel · cracked · Aug 8, 2025 · N446MC · Boeing 7474B5F · Horizontal Stabilizer Miscellaneous Structure > LEFTHORIZONTAL STAB TIP FAIRING, AFT WEDGE, FWD U CHANNEL FOUND CRACKED. CRACKED U CHANNEL REPLACED IAW RI-55-10-17796, REV A. NO FURTHER DEFECTS NOTED. - [SDR UIEA2025073101074](https://openairdocs.org/sdr/UIEA2025073101074.md): Beam · cracked · Aug 8, 2025 · N446MC · Boeing 7474B5F · Fuselage Main, Structure > ONE CRACK WAS FOUND ON LT NOSE WHEEL WELL SIDE PANEL BEAM, BS 260-280 WL 180. BEAM REPLACED IAW SRM 51-10-02 & NEW BEAM HOLE'S TRANSFERRED IAW SRM 51-40-05 & NEW BEAM INSTALLED IAW SRM 51-40-02. NO FURTHER DEFECTS NOTED. - [SDR UIEA2025080101076](https://openairdocs.org/sdr/UIEA2025080101076.md): Web · cracked · Aug 8, 2025 · N446MC · Boeing 7474B5F · Fuselage Miscellaneous Structure > MAIN DECK, BS 1241 LBL 76, BELOW FLOOR, CLOSEOUT PANEL ATTACH WEB FOUND CORRODED AND CRACKED. WEB CRACK AREA REPAIRED IAW RI-53-40-17828, REV A. NO FURTHER DEFECTS NOTED. - [SDR UIEA2025080101077](https://openairdocs.org/sdr/UIEA2025080101077.md): Closeout Panel · cracked · Aug 8, 2025 · N446MC · Boeing 7474B5F · Fuselage Miscellaneous Structure > MAIN DECK, BS 1241, LBL 77- 90, BELOW FLOOR PANEL LT CLOSURE PANEL FOUND CRACKED. CRACKED CLOSURE PANEL REPLACED IAW SRM 51-10-02 AND NEW CLOSURE PANEL HOLE'S TRANSFERRED IAW SRM 51-40-05 AND NEW CLOSURE PANEL INSTALLED IAW SRM 51-40-02. NO FURTHER DEFECTS N - [SDR UIEA2025080501085](https://openairdocs.org/sdr/UIEA2025080501085.md): Skin · delaminated · Aug 8, 2025 · N446MC · Boeing 7474B5F · Leading Edge Devices > RIGHT WING NR 15 K FLAP EXT SURFACE FOUND DELAMINATED. PERFORMED PERMANENT COMPOSITE REPAIR AS PER SRM 51-70-07, PAR.5.A.(1). NO FURTHER DEFECTS NOTED. - [SDR UIEA2025080501086](https://openairdocs.org/sdr/UIEA2025080501086.md): Fairing · delaminated · Aug 8, 2025 · N446MC · Boeing 7474B5F · Trailing Edge Flaps > LEFT WING OTBD FORE FLAP L/E FAIRING FOUND DELAMINATED. PERFORMED PERMANENT COMPOSITE REPAIR AS PER SRM 51-70-07, PAR.5.A.(1). NO FURTHER DEFECTS NOTED. - [SDR UIEA2025080501087](https://openairdocs.org/sdr/UIEA2025080501087.md): Fairing · delaminated · Aug 8, 2025 · N446MC · Boeing 7474B5F · Trailing Edge Flaps > LEFT WING OTBD FORE FLAP L/E FAIRING FOUND DELAMINATATED. PERFORMED PERMANENT COMPOSITE REPAIR IAW SRM 51-70-07, PAR.5.A.(1). NO FURTHER DEFECTS NOTED. - [SDR UIEA2025080501088](https://openairdocs.org/sdr/UIEA2025080501088.md): Fairing · delaminated · Aug 8, 2025 · N446MC · Boeing 7474B5F · Trailing Edge Flaps > LEFT WING OTBD MID FLAP L/E FAIRING FOUND DELAMINATED. PERFORMED PERMANENT COMPOSITE REPAIR AS PER SRM 51-70-07, PAR.5.A.(1). NO FURTHER DEFECTS NOTED. - [SDR UIEA2025080701106](https://openairdocs.org/sdr/UIEA2025080701106.md): Grill · damaged · Aug 8, 2025 · N446MC · Boeing 7474B5F · Buffet/Galleys > M/D GALLEY VENT FILTER AIR GRILL FOUND DAMAGED (LOUVER BROKEN) SUBJECT AIR GRILL WAS REPLACED AS PER AMM 25-32-17 REV 114, 15 JUL 2025. LOCAL FABRICATION IAW HX RI #RI-21-26-17832 REV A AND DWG P/N 214U3127. - [SDR UIEA2025022200159](https://openairdocs.org/sdr/UIEA2025022200159.md): Hydraulic Line · leaking · Feb 22, 2025 · N446MC · Boeing 7474B5F · Hydraulic System, Main > HYD QTY LOW 1 FOLLOWED BY HYD PRESS SYSTEM 1(

FOUND #1 HYD RESERVIOR RETURN LINE LEAKING AND RETURN LINE REPLACED WITH TEMPORARY FLEXIBLE LINE AND CHECKED NORMAL PER AMM 20-11-18-300-801 & GMM 3.24.1. REINSPECT EVERY 25 FLIGHT CYCLES PER GMM 3.24.1. TRANSFER - [SDR UIEA2025102901285](https://openairdocs.org/sdr/UIEA2025102901285.md): Pump · inoperative · Oct 29, 2024 · N446MC · Boeing 7474B5F · Engine Fuel Pump > ENGINE 3 FUEL VALVE EICAS MSG RESULTING IN ENGINE FAILURE, UNABLE TO RESTART(

MX MSG 73077. C/W FIM 71-00-980 WIRE CHECKS, NO DEFECTS NOTED. R/R #3 ENG FUEL PUMP IAW AMM 73-11-01. R/R #3 ENG FUEL METERING UNIT IAW AMM 73-21-01. LK & OPS CHK OK. C/W ENG WINDM - [SDR UIEA2024032100163](https://openairdocs.org/sdr/UIEA2024032100163.md): Sensor · detached · Mar 21, 2024 · N446MC · Boeing 7474B5F · Landing Gear Brake System > #9 BRAKE LIMITER CAME OFF (PIREP)(

FOUND DAMAGED, R/R BRAKE ROD & TORQUE SENSOR IAW AMM 32-42-20. OPS CHECK GOOD

) - [SDR UIEA2023082900805](https://openairdocs.org/sdr/UIEA2023082900805.md): Unknown · unknown · Aug 28, 2023 · N446MC · Boeing 7474B5F · Fuselage, Seat/Cargo Attach Fittings > FND M/D FLOOR STRUCTURE SUB-SEAT TRACK CRACK AT STA 1480, RBL 75.92(

1) REPAIR THE DAMAGED SEAT TRACK IAW SRM 53-00-52-2R-13 REPAIR 13 REV 98, DWG 65B38251 SH 75 REV -, DWG 144U0802 SH 3 REV B & DWG 65B38251 SH 32 REV -. 2) CONDITION CHECK NORMAL AND JOB COM - [SDR UIEA2023082900815](https://openairdocs.org/sdr/UIEA2023082900815.md): Actuator · unknown · Aug 28, 2023 · N446MC · Boeing 7474B5F · Landing Gear System > FUNCTION FAIL - FOUND LH WLG ALTN ELEC MOTOR FUNCTION TEST FAIL(

1) IAW AMM 32-36-01-004-001 REV 108 AND AMM 32-36-01-404-009 REV 108 STEP A TO F(4) R/R LH WLG ALTN ELEC MOTOR. 2) IAW AMM 32-36-01-404-009 REV 108 PERFORM TEST RESULT WAS GOOD. 3) CONDITION CH - [SDR UIEA2023082900814](https://openairdocs.org/sdr/UIEA2023082900814.md): Rod End · broken · Aug 28, 2023 · N446MC · Boeing 7474B5F · Ailerons > FOUND LH WING INBD AILERON PCA ROD END BROKEN(

1) IAW AMM 27-11-12-002-001 REV 108 AND AMM 27-11-12-402-010 REV 108 R/R LH WING INBD AILERON PCA. 2) CONDITION CHECK NORMAL

) - [SDR UIEA2023082900813](https://openairdocs.org/sdr/UIEA2023082900813.md): Battery · unknown · Aug 28, 2023 · N446MC · Boeing 7474B5F · Emergency Lighting > DURING THE EMERGENCY LIGHT BATTERY PACK CAPACITY TEST, FOUND M5170 BATTERY FUNCTION FAIL(

1) IAW AMM 33-51-04-902-001-001 REV 108 R/R EMERGENCY LIGHT BATTERY PACK (M5170). 2) IAW AMM 33-51-04-902-001-001 REV 108 PERFORMED EMERGENCY LIGHT BATTERY INSTALLATION - [SDR UIEA2023082900812](https://openairdocs.org/sdr/UIEA2023082900812.md): Fitting · unknown · Aug 28, 2023 · N446MC · Boeing 7474B5F · Fuselage Main, Attach Fittings > FND M/D CGO FLOOR FITTING CORROSION AT STA 2360 RBL 31(

1) IAW AMM SUBTASK 53-44-00-212-001 REV 108 REMOVED M/D CGO FLOOR FITTING AT STA 2360 RBL 31. 2) FABRICATE THE NEW FLOOR FITTING IAW EI T2023A25M-2033 REV 0. 3) IAW AMM SUBTASK 53-44-00-020-001 REV 108 - [SDR UIEA2023082900811](https://openairdocs.org/sdr/UIEA2023082900811.md): Unknown · unknown · Aug 28, 2023 · N446MC · Boeing 7474B5F · Fuselage, Seat/Cargo Attach Fittings > CORROSION - FOUND M/D SEAT TRACK CROWN CORROSION STA 1780 LBL 98.58(

1) REMOVED THE AFFECTED FASTENER IAW SRM 51-40-02-0G-0 REV 98. 2) PERFORM EI T2023A53M-2005 REV 0. 3) INSTALL FASTENERS IAW SRM 51-40-02-0G-0 REV 98, DWG 65B38251 SH 76 REV -, 65B38251 SHT - [SDR UIEA2023082900810](https://openairdocs.org/sdr/UIEA2023082900810.md): Unknown · unknown · Aug 28, 2023 · N446MC · Boeing 7474B5F · Fuselage, Seat/Cargo Attach Fittings > FND PIN HOLE DMG ON SEAT TRACK AT M/D STA 1630 LBL 11.33(

1) REMOVED AFFECTED FASTENERS IAW SRM 51-40-02-0G-0 REV 98. 2) REPAIR DAMAGED AREA IAW EI T2023A53M-2029 REV 0 AND INSTALL FASTENERS IAW SRM 51-40-02-0G-0 REV 98, DWG 65B38253 SH 47 REV -, 65B38253 SH - [SDR UIEA2023082900809](https://openairdocs.org/sdr/UIEA2023082900809.md): Unknown · unknown · Aug 28, 2023 · N446MC · Boeing 7474B5F · Fuselage Structure (General) > DUE TO EO INSP, WASHERS WERE NOT FOUND UNDER EACH FASTENER HEAD, REQUEST ADD EO PART 2 AND PART 5. PERFORM NOSE W/W FWD CORNER DOUBLER MODIFICATION NEAR STA 240, S39 TO S45, SB 747-53A2851 REV O(

1) REMOVED DOUBLER PART IAW SRM 51-40-02-0G-0 REV 98. 2) PERFO - [SDR UIEA2023082900808](https://openairdocs.org/sdr/UIEA2023082900808.md): Unknown · unknown · Aug 28, 2023 · N446MC · Boeing 7474B5F · Standard Practices/Structures > DEVIATION - DURING PERFORMING SB 47-53A2487 REV 4 & AD2002-23-15, DEVIATION WAS FOUND.(

1) ACCOMPLISHED JOB IAW EI T2023A53M-1912 SEQ B REV 1. 2) ACCOMPLISHED JOB IAW EI T2023A53M-1912 REV 2. 3) CONDITION CHECK NORMAL AND JOB COMPLETED

) - [SDR UIEA2023082900807](https://openairdocs.org/sdr/UIEA2023082900807.md): Fitting · unknown · Aug 28, 2023 · N446MC · Boeing 7474B5F · Fuselage Main, Attach Fittings > CRACK - FOUND CRACK ON LBL 11.33 INTERCOSTAL LUG FITTING AT STA 1000 (SB 747-53A2904)(

1) ACCOMPLISHED EO 4453C024 PART 3 CONDITION 6 REV 3. 2) JOB COMPLETED AND CONDITION CHECK NORMAL

) - [SDR UIEA2023082900806](https://openairdocs.org/sdr/UIEA2023082900806.md): Unknown · unknown · Aug 28, 2023 · N446MC · Boeing 7474B5F · Fuselage, Seat/Cargo Attach Fittings > FND M/D FLOOR STRUCTURE SUB-SEAT TRACK CRACK AT STA 985 RBL 75.92(

1) REPAIR THE DAMAGED SEAT TRACK IAW SRM 53-00-52-2R-13 REPAIR 13 REV 98, DWG 65B38250 SH 17 REV A, DWG 65B38250 SH 9 REV B & DWG 65B16004 SH 4 REV A. 2) CONDITION CHECK NORMAL AND JOB COMPLE - [SDR UIEA2023082900804](https://openairdocs.org/sdr/UIEA2023082900804.md): Unknown · unknown · Aug 28, 2023 · N446MC · Boeing 7474B5F · Fuselage, Seat/Cargo Attach Fittings > CRACK - FOUND M/D SUBSTITUTE TRACK CRACK AT STA 560 - 580 LBL 75.92(

1) REPAIR THE DAMAGED SEAT TRACK IAW SRM 53-00-52-2R-13 REV 98, DWG 65B38250 SH 17 REV A & DWG 65B38250 SH 20 REV -. 2) CONDITION CHECK NORMAL AND JOB COMPLETED

) - [SDR UIEA2023082900803](https://openairdocs.org/sdr/UIEA2023082900803.md): Unknown · unknown · Aug 28, 2023 · N446MC · Boeing 7474B5F · Wing, Plate/Skin > DENT - SKIN, LH WING INBD T/E MID FLAP PNL 577GT INBD SIDE EXTERNAL(

1) PERFORM PERMANET REPAIR AT LH WING INBD MID FLAP PNL 577GT REF TO JOB CARD ATTACHING SH 0364826 & 0364827 FOR PROCESS DETAILED. WORK REF SRM 57-53-01-2R-1 REV 98, SRM 51-70-10-2R-2 REV 9 - [SDR UIEA2023082900802](https://openairdocs.org/sdr/UIEA2023082900802.md): Unknown · unknown · Aug 28, 2023 · N446MC · Boeing 7474B5F · Wing, Plate/Skin > CRACK - SKIN, LH WING INBD AFT FLAP PNL 578GT OUTBD SIDE EXTERNAL SURFACE(

1) PERFORM LH WING INBD AFT FLAP TOP PANEL 578GT SKIN PERMANENT REPAIR IAW JOB CARD ATTACHING SH 0364824 & 0364825 FOR PROCESS DETAILED. WORK REF SRM 57-53-01-2R-1 REV 98, SRM 51-70-1 - [SDR UIEA2023082900801](https://openairdocs.org/sdr/UIEA2023082900801.md): Unknown · unknown · Aug 28, 2023 · N446MC · Boeing 7474B5F · Empennage Structure > MDDR 188056, PERMANENT REPAIR OF LH ELEVATOR ON OR BEFORE 25 F/C PER EO 4455A183(

1) REMOVE THE DAMAGE MATERIAL, CLEAN & MEASURE THE DAMAGE AREA (L: 8.5", W: 6", D: 3 PLIES, 36" FROM OUTBD EDGE AT T/E) BOND THE 3 REPAIR PLIES (L: 11.5", W: 2.2") WITH FILM AD - [SDR UIEA2023021100107](https://openairdocs.org/sdr/UIEA2023021100107.md): None · none · Feb 12, 2023 · N446MC · Boeing 7474B5F · Detection System > MAIN DECK FIRE WARNING IN FLIGHT(

FOUND MD DET B LOOP A & B, DET 16 LOOP A & B FAILED. PER MCC REQUEST, TWO AFOLTS CARDS ALSO NEED TO BE REPLACED. PERFORMED ZONAL INSP, MD CARD COMPARTMENT PER AMM 05-41-02. NO DEFECT FOUND.

/

LP 1663905-1663906 M9 - M - [SDR UIEA2022071900767](https://openairdocs.org/sdr/UIEA2022071900767.md): Smoke Detector · warning message · Jul 19, 2022 · N446MC · Boeing 7474B5F · Smoke Detection > EQUIPMENT SMOKE EICAS MESSAGE(R/R SMOKE DETECTOR IAW AMM 26-16-51. OPS CHECK GOOD

) - [SDR UIEA2021070801493](https://openairdocs.org/sdr/UIEA2021070801493.md): Support · cracked · Jul 27, 2021 · N446MC · Boeing 7474B5F · Fuselage Miscellaneous Structure > FX STA 1240 RH BODY FAIRING SUPPORT FOUND CRACK(

FX STA 1240 RH BODY FAIRING SUPPORT CRACK AREA REPAIRED AS PER SRM 53-00-71-2R-1 AND 51-70-11

) - [SDR UIEA2021071801582](https://openairdocs.org/sdr/UIEA2021071801582.md): Power Supply · no test · Jul 27, 2021 · N446MC · Boeing 7474B5F · Emergency Lighting > UPPER DECK EMER LT PWR SPLY M5168 RELATED EMER LT CANNOT STAY ON 15MIN(

UPPER DECK EMERG LT PWR SPLY M5168 REPLACED AND INSTALLATION TEST OKAY IAW AMM 33-51-04 REV.101

) - [SDR UIEA2021072001596](https://openairdocs.org/sdr/UIEA2021072001596.md): Seat Track · cracked · Jul 27, 2021 · N446MC · Boeing 7474B5F · Fuselage, Seat/Cargo Attach Fittings > M/D STA 1000-1265 RH SEAT TRACK RBL 11 3EA LOCATION FND CRACK (CRACK LOCATION AT STA 1030, 1090 AND 1250 RBL11)(

M/D STA 1000-1265 RBL 11 SEAT TRACK REPAIRED AS PER RI-53-00-14749 REV.A

) - [SDR UIEA2021072001597](https://openairdocs.org/sdr/UIEA2021072001597.md): Seat Track · cracked · Jul 27, 2021 · N446MC · Boeing 7474B5F · Fuselage, Seat/Cargo Attach Fittings > M/D STA 1000-1265 LBL 11 SEAT TRACK SEVERAL LOCATION FOUND CRACK (CRACK LOCATION AT STA 1110, 1130, 1150, 1170, 1210 AND 1230)(

M/D STA 1000-1265 LBL 11 SEAT TRACK REPAIRED AS PER RI-53-00-14748 REV.A

) - [SDR UIEA2021072101601](https://openairdocs.org/sdr/UIEA2021072101601.md): Skin · delaminated · Jul 27, 2021 · N446MC · Boeing 7474B5F · Trailing Edge Flaps > RHW O/B T/E AFT FLAP I/B AREA L/E FAIRING EXTERIOR SURFACE FOUND DELAMINATION.(

PERFORMED PERMANENT COMPOSITE HOT BOND REPAIR AT RHW O/B T/E AFT FLAP I/B AREA L/E FAIRING AS PER SRM 51-70-07 PAR 5A.

) - [SDR UIEA2021072101602](https://openairdocs.org/sdr/UIEA2021072101602.md): Skin · dented · Jul 27, 2021 · N446MC · Boeing 7474B5F · Trailing Edge Flaps > RHW I/B AFT FLAP LOWER SURFACE MID AREA FOUND DENT. PERFORMED PERMANENT COMPOSITE HOT BOND REPAIR AT RHW I/B AFT FLAP LOWER SURFACE AS PER SRM 51-70-07 PAR 5A. - [SDR UIEA2019071804780](https://openairdocs.org/sdr/UIEA2019071804780.md): Doubler · cracked · Jul 29, 2019 · N446MC · Boeing 7474B5F · Fuselage Miscellaneous Structure > M/D - L5 DOOR FWD CUTOUT REVEAL DOUBLER FOUND CRACKED.(

THE SUBJECT REVEAL DOUBLER REPAIR CARRIED OUT IAW SRM 53-60-15-2R-3 REPAIR 3.

) Next page: https://openairdocs.org/aircraft/N446MC/reports.md?page=2 ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet' WHERE n_number = 'N446MC' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N446MC/reports --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.