TRANSFER TO DMI 260447 PER MEL 78-31-01A CAT C DUE DATE 16OCT2026
/LP 2029709 M5: T/S AND PERFORMED WIRING CHECK. FOUND GRD SAFETY RELAY R8016 DEFECTIVE. REMOVED AND REPLACED RELAY & PERFORMED #2 T/ - [SDR UIEA2026100400944](https://openairdocs.org/sdr/UIEA2026100400944.md): Pcb · damaged · Oct 2, 2026 · N408MC · Boeing 74747UF · Air Conditioning System Wiring > EQUIPMENT COOLING EICAS CAUTION F270 ON CLIMB. CAPT ND BLANK FOR 30", FO PFD FLICKERED ON CLIMB. MESSAGE BLANKED THEN LOST CAPT ND AND FO ND WAS INTERMITTENT. R & R PRINTED CIRCUIT ASSY IAW AMM 21-58-05/401 & IPC 21-58-55-01B. OPS CHK OK; SCREENS ARE NO LONG - [SDR UIEA2026092800920](https://openairdocs.org/sdr/UIEA2026092800920.md): Hydraulic System · leaking · Sep 29, 2026 · N498MC · Boeing 74747UF · Hydraulic System, Main > RECEIVED REPORT OF HYD LEAK OBSERVED ON GROUND DURING TAXI/TAKEOFF. OBSERVED DROP IN HYD 1 QTY FROM 1.01 TO 0.88. ASSUMED ACTIVE LEAK AND RTB. FOUND HYD LEAK AT LINE FITTINGS CONNECTED TO THE LH WING #1 HYD SUPPLY SHUT-OFF VALVE. HYD LINES TIGHTENED PROPERLY - [SDR UIEA2026092200907](https://openairdocs.org/sdr/UIEA2026092200907.md): Display · failed · Sep 22, 2026 · N416MC · Boeing 74747UF · Central Display > FO INBOARD IDU SHOWED GARBLED INFO. R & R FO NAV DISPLAY IAW AMM 31-61-02 AND IPC 31-61-01A. OPS CHECK GOOD.
) - [SDR UIEA2026092000888](https://openairdocs.org/sdr/UIEA2026092000888.md): Indicator · failed · Sep 20, 2026 · N496MC · Boeing 74747UF · Attitude Gyro and Indicating System > STBY ATTITUDE INDICATOR FAILED AFTER TAKEOFF. REMOVED AND REPLACED STANDBY ATTITUDE INDICATOR AS PER AMM 34-24-01/401 AND AIPC 34-24-01-05. OPS CHECK PASSED, NO FURTHER DEFECTS NOTED.) - [SDR UIEA2026091700882](https://openairdocs.org/sdr/UIEA2026091700882.md): Engine · vibration · Sep 17, 2026 · N415MC · Boeing 74747UF · Engine (Turbine/Turboprop) > MULTIPLE ALT VIBRATIONS FELT FIRST THEN INDICATIONS ON NR 1 ENG UP TO 5.0. ACCOMPLISHED VIBE SURVEY ENGINE SUCCESSFULLY BALANCED N1 AT 0.6 AT 99% N1 IAW AMM 71-00-00 AND 72-32-00 AND ECM 2026P-292. NO FURTHER DEFECTS NOTED. - [SDR UIEA2026091300876](https://openairdocs.org/sdr/UIEA2026091300876.md): Actuator · leaking · Sep 12, 2026 · N498MC · Boeing 74747UF · Hydraulic System, Main > EICAS MSG HYD PRESS SYS 3 AND HYD QTY LOW 3. COMPLIED WITH QRH. FOUND HYD LEAK FROM RH OTBD SPOILER ACTUATOR NR 9. REMOVED AND INSTALLED SPOILER CONTROL PACKAGE IAW AMM 27-61-05-402-012, APIC 27-61-05-01. OPS CHK AND LEAK CHK GOOD. - [SDR UIEA2026090700857](https://openairdocs.org/sdr/UIEA2026090700857.md): Shutoff Valve · broken · Sep 7, 2026 · N498MC · Boeing 74747UF · Pneumatic Distribution System > EICAS BLEED 4 ON TAKE OFF ROLL. DURING INSPECTION OF HPSOV, FOUND TERMINAL NR 1 ON HPSOV BROKEN. SPLICED NEW TERMINAL IAW SWPM SECTION 20-30. OPS CHECK & IDLE RUN GOOD IAW AMM 36-11-05/501 AND 71-00-00. - [SDR UIEA2026090200846](https://openairdocs.org/sdr/UIEA2026090200846.md): Rod · broken · Aug 31, 2026 · N477MC · Boeing 74747UF · Landing Gear Door Retract Section > GEAR DOOR & GEAR MONITOR STATUS MESSAGE. LT WING LG DOOR FOUND OPEN. LINKAGE ROD FOUND BROKEN, 2 RODS FOUND BENT ON FORWARD RADIUS ROD SUPPORT. ALL RODS REPLACED, AND DOOR EXTENSION AND RETRACTION PERFORMED. SYSTEM WORKS PROPERLY PER AMM 32-12-02-401, AMM 32- - [SDR UIEA2026082000782](https://openairdocs.org/sdr/UIEA2026082000782.md): Switch · faulted · Aug 20, 2026 · N409MC · Boeing 74747UF · Drag Control System > RTO MASTER WARNING AURAL "CONFIG SPOILERS". LOW SPEED RTO 65KTS, RETURNED TO GATE. R & R AUTOMATIC SPEED BRAKE ARM SWITCH IAW AMM 27-62-10/401 AND AIPC 2762-55-01 ITEM 344. PERFORMED OPS CHK, CHKD OK. PERFORMED T/O WARNING TEST IAW AMM 31-51-00-725-024, TEST - [SDR UIEA2026081200747](https://openairdocs.org/sdr/UIEA2026081200747.md): Engine · faulted · Aug 12, 2026 · N408MC · Boeing 74747UF · Engine (Turbine/Turboprop) > ENGINE 2 OIL TEMP INFLIGHT. ENG 2 IFS. PERFORMED WINDMILLING INSPECTION & NO TROUBLE FOUND IAW AMM 72-00-00/601. PERFORMED ENG MAG CHIP INSPECTION & NO TROUBLE FOUND IAW AMM 79-00-00/601. R & R NR 2 ENG'S EEC & OPS CHECKED OK IAW AMM 73-21-15/401, AMM 79-34-0 - [SDR UIEA2026081100740](https://openairdocs.org/sdr/UIEA2026081100740.md): Tru · faulted · Aug 10, 2026 · N412MC · Boeing 74747UF · AC Generator-Alternator > EICAS MSG "ELEC GEN 3". COMPLIED QRH PROCEDURE(AS A PRECAUTIONARY, R/R TRANSFORMER ASSY T4006 PER AMM 24-23-03/401 & IPC 24-23-03-034. PERF IDLE RUN UP OF #2 & #3 ENGINE IAW AMM 71-00-00/501. OPS CHK OK, ALL INDICATIONS NORMAL AND WITHIN LIMITS. FOUND WIRE - [SDR UIEA2026081000719](https://openairdocs.org/sdr/UIEA2026081000719.md): Fitting · cracked · Aug 8, 2026 · N416MC · Boeing 74747UF · Fuselage Main, Attach Fittings > FOUND LUG FITTING CRACK AT FWD CARGO, BS 1000, LBL 11.33. REMOVED DAMAGED PART IAW SRM 51-40-02-0G-0, REV 107. INSTALLED NEW PART IAW SRM 51-40-02-0G-0, REV 107 AND REF EO 4453C024, PART 3, REV 4. CONDITION CHKD NORMAL. - [SDR UIEA2026081000721](https://openairdocs.org/sdr/UIEA2026081000721.md): Shear Tie · cracked · Aug 8, 2026 · N416MC · Boeing 74747UF · Fuselage Internal Mounting Structure > FOUND SHEAR TIE CRACK AT STA 1000 RBL 33, FWD CGO. REMOVED DAMAGED PART IAW SRM 51-40-02-0G-0 REV 107. PERFORMED EI T2026A53M-1419, REV 0, AND REF EO 4453C024, PART 8, REV 4. ACCOMPLISHED EI T2026A53M-1419, REV 1. CONDITION CHKD NORMAL. - [SDR UIEA2026081000722](https://openairdocs.org/sdr/UIEA2026081000722.md): Seat Track · cracked · Aug 8, 2026 · N416MC · Boeing 74747UF · Fuselage, Seat/Cargo Attach Fittings > FOUND SUBSTITUTE SEAT TRACK SURFACE CRACKED AT M/D BS 1000, LBL 75.92. REMOVED DAMAGED TRACK IAW SRM 51-40-02-0G-0, REV 107. REPAIRED DAMAGED AREA IAW W/S 64525, SRM 53-00-52-2R-13, REV 107. INSTALLED FASTENERS IAW SRM 51-40-02-0G-0, REV 107, AND DWG 65B82 - [SDR UIEA2026081000723](https://openairdocs.org/sdr/UIEA2026081000723.md): Cargo Track · broken · Aug 8, 2026 · N416MC · Boeing 74747UF · Fuselage, Seat/Cargo Attach Fittings > FOUND FWD CARGO TRACK BROKEN BS 560, LBL 24.75. REMOVED DAMAGED IAW SRM 51-40-02-0G-0, REV 107. REPAIRED DAMAGED AREA IAW W/S 60524, SRM 53-00-52-2R-10 REV 107, & EI T2026A53M-1614, REV 0. INSTALL FASTENERS IAW SRM 51-40-02-0G-0, REV 107, AND DWG 65B12300 - [SDR UIEA2026081000724](https://openairdocs.org/sdr/UIEA2026081000724.md): Spar Web · none · Aug 8, 2026 · N416MC · Boeing 74747UF · Standard Practices/Structures > FOUND EXISTING REPAIR ON VERTICLE STAB REAR SPAR WEB BETWEEN VSS 205 - VSS 220. REMOVED EXISTING REPAIR DOUBLER IAW SRM 51-40-02-0G-0, REV 107. REPAIRED DAMAGED AREA IAW W/S 60564 SRM 55-30-10-2R-2 REV 107. CHKD NORMAL. - [SDR UIEA2026081000734](https://openairdocs.org/sdr/UIEA2026081000734.md): Bulkhead · modification · Aug 8, 2026 · N416MC · Boeing 74747UF · Standard Practices/Structures > PERFORMED BS 2598 BULKHEAD MODIFICATION, FOUND DEVIATION AT DOUBLER. ACCOMPLISHED EI T2026A53M-1528, REV 1, AND EI T2026A53M-1439, REV 1. CHECKED NORMAL. - [SDR UIEA2026081000735](https://openairdocs.org/sdr/UIEA2026081000735.md): Repair · none · Aug 8, 2026 · N416MC · Boeing 74747UF · Trailing Edge Flaps > EXISTING REPAIR ON RT WING OTBD MID FLAP LOWER SURFACE. PERFORMED PERMANENT REPAIR ON RT WING OTBD MID FLAP LOWER SURFACE, WBL 563 IAW SRM 57-53-01-2R-1 AND SRM 51-70-10-2R-0, REV 107. CONDITION CHECK IS SATISFACTORY. REPAIR PROCESS REFER TO J/C ATTACHING SH - [SDR UIEA2026081000736](https://openairdocs.org/sdr/UIEA2026081000736.md): Splice Angle · cracked · Aug 8, 2026 · N416MC · Boeing 74747UF · Fuselage Main, Structure > CRACK, PERFORMED SB 4453B761, PART 1-2. FOUND A CRACK AT BS 2598, S11R, RT FWD LWR FITTING AREA. ACCOMPLISHED EI 2026A53M-1510, REV 2, AND DWG 65B02706, SH 24, REV A, AND DWG 65B02597, SH 2 REV H, AND DWG 65B02509, SHT 3, REV R. CHECKED NORMAL. - [SDR UIEA2026081000737](https://openairdocs.org/sdr/UIEA2026081000737.md): Angle · corroded · Aug 8, 2026 · N416MC · Boeing 74747UF · Fuselage Main, Structure > FOUND CORROSION ON THE UPPER ANGLE BS 1030, LBL 11.33. ACCOMPLISHED W/S 60551 IAW SRM 53-40-52-2R-3, REV 107. & EI T2026A53M-1522, REV 1. CHECKED NORMAL. - [SDR UIEA2026081000738](https://openairdocs.org/sdr/UIEA2026081000738.md): Repair · none · Aug 8, 2026 · N416MC · Boeing 74747UF · Standard Practices/Structures > PERFORMED UPGRADE TIME-LIMITED REPAIR ON SEC 48 FUSELAGE SKIN AT BS 2600, S51R. ACCOMPLISHED EI T2026A53M-1409, REV 1, AND DWG 65B02509, SH 9, REV C, AND DWG 65B02700, SH 2, REV G, SH 6, REV -. CHECKED NORMAL. - [SDR UIEA2026080700685](https://openairdocs.org/sdr/UIEA2026080700685.md): Heat Exchanger · faulted · Aug 7, 2026 · N408MC · Boeing 74747UF · Engine Oil Cooler > ENG 2 OIL TEMP EICAS MSG. FL 380 MAX OIL TEMP APPROX 194. ENG 2 SHUT DOWN. PERFORMED FIM 79-00, FT FIG 109. R & R FUEL/OIL HEAT EXCHANGER IAW AMM 79-21-01-404-014-J00, OPS CHECK & LEAK CHECKED GOOD. RUN ENG NR 2 AT DIFFERENT POWER SETTINGS AND OIL TEMP NORMA - [SDR UIEA2026080600684](https://openairdocs.org/sdr/UIEA2026080600684.md): Smoke Detector · activated · Aug 7, 2026 · N496MC · Boeing 74747UF · Smoke Detection > SMOKE IN CREW REST EICAS AT 1955Z FOR ABOUT 5 MINS. SMOKE DISSIPATED AND EICAS DID NOT RETURN. REPLACED ALL PACK WATER SEPERATOR COALESCER BAGS IAW AMM 05-51-56 AND FIM 21-00 TASK 810. REPLACED CREW REST AREA SMOKE DETECTOR IAW AMM 26-14-51 AND 21-51-05. NO SM - [SDR UIEA2026072900665](https://openairdocs.org/sdr/UIEA2026072900665.md): Shutoff Valve · faulted · Jul 29, 2026 · N499MC · Boeing 74747UF · Compressor Bleed Valve > DURING TAKEOFF ROLL, BLEED 2 ADVISORY MESSAGE CAME ON. TRANSFER TO DMI 256295 PER MEL 36-11-03 CATC DUE DATE 02AUG26. REMOVED AND REPLACE HPSOV IAW B747 AMM 36-11-03 AND OPS CHECK GOOD. - [SDR UIEA2026072300640](https://openairdocs.org/sdr/UIEA2026072300640.md): Apu · odor · Jul 23, 2026 · N418MC · Boeing 74747UF · APU Oil System > BACK TO BLOCK DUE TO EICAS MESSAGE SMOKE CREW REST AND UNUSUAL SCENT DETECTED IN UPPER DECK. PERFORM FIRE TEST, NO SMOKE PRESENT IN CABIN. OIL SCENT COMING FROM APU. SUSPECT APU BEARING OIL LEAK ENTERING CABIN. REMOVED AND REPLACED APU IAW ATLAS WORK CARD 49- - [SDR UIEA2026070900586](https://openairdocs.org/sdr/UIEA2026070900586.md): Compressor · stalled · Jul 12, 2026 · N492MC · Boeing 74747UF · Turbine Engine Compressor Section > AFTER V1 COMPRESSOR STALL ON #2 ENGINE, RAN QRH CHECKLIST AND RETURNED TO HAN. A/C WAS 265,656KG N1 TARGET 934. NO FUEL DUMPED. MX IN WORK WHILE IN AOGM FOR ATB ENG 2 COMPRESSOR. AOGM ETR: 12JUL26. FERRIED FLIGHT REQ FOR #2 ENG COMPRESSOR STALL. 3 ENGINES FE - [SDR UIEA2026071000587](https://openairdocs.org/sdr/UIEA2026071000587.md): Proximity Sensor · out of tolerance · Jul 10, 2026 · N475MC · Boeing 74747UF · Landing Gear Position and Warning > GEAR DISAGREE MSG, LT WING LANDING GEAR UP PRIMARY AND ALT PROXIMITY SWITCHES TARGET FAILED. JACKED AIRCRAFT TO CHECK PROX SENSOR RIGGING. FOUND PROX SENSORS S398 & S1638 OUT OF TOLERANCE. RESHIMMED BOTH SWITCHES IAW AMM 32-61-21. OPS CHECKED GOOD. - [SDR UIEA2026070200567](https://openairdocs.org/sdr/UIEA2026070200567.md): Adc · faulted · Jul 2, 2026 · N476MC · Boeing 74747UF · Air Data Computer > LOSS OF RT ADC, AND RT AOA IN FLIGHT WITH C/B TRIPPED. R & R RIGHT ADC IAW AMM 34-12-01-401, REV 116 & IPC 34-12-01-01B, REC 92. IAW FIM TASK 34-12 TASK 869 IAW CMC MSG 34653. PERFORMED GRD TEST OF RIGHT ADC IAW AMM 34-12-00/501. ALL TEST PASSED. - [SDR UIEA2026063000560](https://openairdocs.org/sdr/UIEA2026063000560.md): Clamp · leaking · Jun 30, 2026 · N499MC · Boeing 74747UF · Air Distribution System > EQUIPMENT COOLING EICAS MESSAGE IN FLIGHT. REPLACED FLIGHT DECK LOW FLOW DETECTOR & OPS CHECKED GOOD IAW AMM 21-58-02/201. REMOVED AND REPLACED FLIGHT DECK FLOW REGULATOR VALVE & OPS CHECKED GOOD IAW AMM 21-61-09/501. DURING TROUBLESHOOTING, FOUND FOD INSIDE - [SDR UIEA2026063000562](https://openairdocs.org/sdr/UIEA2026063000562.md): Flap · damaged · Jun 27, 2026 · N408MC · Boeing 74747UF · Trailing Edge Flaps > SUSPECTED HARD LANDING. PERFORMED PHASE 1A INSP PER AMM 05-51-05-222-081. DURING INSP, FOUND LH FLAP DAMAGE AT MIDDLE OF FOREFLAP LEVEL. SUBSEQUENT DAMAGE TO THE MID FLAP TRACK AND FUSELAGE OF LH TRAILING EDGE MIDFLAP.
) - [SDR UIEA2026033000113](https://openairdocs.org/sdr/UIEA2026033000113.md): Floorbeam · cracked · May 23, 2026 · N477MC · Boeing 74747UF · Fuselage Main, Floor Beam > M/D STA 1200, LH O/B BELOW FLOOR INTERCOSTAL WEB FOUND CRACK.(INTERCOSTAL WEB CRACK AREA REPAIRED AS PER SRM 53-40-51-2R-9 REPAIR 9 AND RI-53-40-18155 REV A. NO FURTHER DEFECTS NOTED
) - [SDR UIEA2026033000114](https://openairdocs.org/sdr/UIEA2026033000114.md): Floorbeam · cracked · May 23, 2026 · N477MC · Boeing 74747UF · Fuselage Main, Floor Beam > M/D STA 1180, LH O/B BELOW FLOOR INTERCOSTAL WEB FOUND CRACKED.(WEB CRACK AREA REPAIRED AS PER SRM 53-40-51-2R-8 REPAIR 8, CATEGORY B, FOLLOW-UP ACTION AS PER SRM 53-40-51-2R-8 REPAIR 8 TABLE 202. NO FURTHER DEFECTS NOTED
) - [SDR UIEA2026033100116](https://openairdocs.org/sdr/UIEA2026033100116.md): Panel · corroded · May 23, 2026 · N477MC · Boeing 74747UF · Trailing Edge Flaps > RH I/B T/E AFT FLAP O/B UPR PANEL LWR SURFACE SEVERAL AREA CORROSION(CORROSION REMOVED AS PER SRM 51-10-02 AND REPROTECTED AS PER SRM 51-20-01, REWORK AREA MEASURE ORIGINAL THICKNESS 0.106" L:25" X W 1" X D: 0.009", WITHIN SRM 57-53-01-1A-0 FIG 101 LIMITS. - [SDR UIEA2026033100117](https://openairdocs.org/sdr/UIEA2026033100117.md): Floorbeam · corroded · May 23, 2026 · N477MC · Boeing 74747UF · Fuselage Main, Floor Beam > U/D RBL 10" TO LBL 28" BS 460 FLOOR SUPPORT FOUND CORROSION(
CORROSION AREA REMOVED AS PER SRM 51-10-02 AND REPROTECTED AS PER SRM 51-20-01, MEASURED, ORG 0.063", L: 12" X W:0.9" X D: 0.004" WITHIN SRM 53-00-51-1A-1 ALLOWAGLE DAMAGE 1 FIG 101 LIMITS. NO FU - [SDR UIEA2026040400122](https://openairdocs.org/sdr/UIEA2026040400122.md): Frame · cracked · May 23, 2026 · N477MC · Boeing 74747UF · Engine Thrust Reverser > 4L T/R FWD FRAME AT ABOUT 6 O'CLOCK POSITION FOUND CRACKED(
FRAME CRACK AREA REPAIRED AS PER ATLAS AIR EA 1978A269 REV 0. NO FURTHER DEFECTS NOTED
) - [SDR UIEA2026040400123](https://openairdocs.org/sdr/UIEA2026040400123.md): Support Bracket · damaged · May 23, 2026 · N477MC · Boeing 74747UF · Fuselage Miscellaneous Structure > APU COMPT LH STA 2674.85 FRAME ATT WIRE SUPPORT BRACKET FOUND DETACH AND RIVET HOLES ELONGATED(FRAME REPAIRED AS PER SRM 53-80-07-2R-1 REPAIR 1. NO FURTHER DEFECTS NOTED
) - [SDR UIEA2026040500124](https://openairdocs.org/sdr/UIEA2026040500124.md): Floor Support · cracked · May 23, 2026 · N477MC · Boeing 74747UF · Fuselage Miscellaneous Structure > M/D STA 1200, RH O/B BELOW FLOOR INTERCOSTAL WEB FOUND CRACKED(INTERCOSTAL WEB CRACK AREA REPAIRED SRM 53-40-51-2R-9 REPAIR 9 AND RI-53-40-18156 REV A. NO FURTHER DEFECTS NOTED
) - [SDR UIEA2026040500125](https://openairdocs.org/sdr/UIEA2026040500125.md): Floor Support · cracked · May 23, 2026 · N477MC · Boeing 74747UF · Fuselage Miscellaneous Structure > BS 346 LB '0' INTERCOSTAL FOUND 2EA CRACKS(INTERCOSTAL CRACK AREA REPAIRED AS PER RI-53-10-18208 REV B. NO FURTHER DEFECTS NOTED
) - [SDR UIEA2026040500126](https://openairdocs.org/sdr/UIEA2026040500126.md): Seat Track · cracked · May 23, 2026 · N477MC · Boeing 74747UF · Fuselage, Seat/Cargo Attach Fittings > M/D SEAT TRACK STA 1780 - STA 1784 LBL 98" FOUND CRACK(SEAT TRACK CRACK AREA REPAIRED AS PER SRM 53-00-52-2R-6 REPAIR 6. NO FURTHER DEFECTS NOTED
) - [SDR UIEA2026040600128](https://openairdocs.org/sdr/UIEA2026040600128.md): Lug · cracked · May 23, 2026 · N477MC · Boeing 74747UF · Fuselage Main, Attach Fittings > BS 1000 FRONT SPAR RBL 11.33" INTERCOSTAL LUG FITTING FOUND 1EA CRACK(CRACK INTERCOSTAL LUG FITTING REPLACED AS PER ATLAS AIR EO 4453C024 REV 4 PART 7 STEP 3 CONDITION 11. NO FURTHER DEFECTS NOTED
) - [SDR UIEA2026040600129](https://openairdocs.org/sdr/UIEA2026040600129.md): Support Frame · cracked · May 23, 2026 · N477MC · Boeing 74747UF · Fuselage Main, Structure > 1EA FASTENER HOLE CRACK FOUND ON LH SUPPORT FRAME CRACK 4 O'CLOCK APPROX 0.020" IN DEPTH(CRACK FASTENER HOLE REPAIRED AS PER RI-53-80-18195 REV A. NO FURTHER DEFECTS NOTED
) - [SDR UIEA2026040600130](https://openairdocs.org/sdr/UIEA2026040600130.md): Support Frame · cracked · May 23, 2026 · N477MC · Boeing 74747UF · Fuselage Main, Structure > 1EA FASTENER HOLE CRACK FOUND ON LH SUPPORT FRAME CRACK AT BS 2598 6 O'CLOCK POSITION, APPROX 0.020" IN DEPTH(CRACK FASTENER HOLE REPAIRED AS PER RI-53-80-18195 REV A. NO FURTHER DEFECTS NOTED.
) - [SDR UIEA2026040800152](https://openairdocs.org/sdr/UIEA2026040800152.md): Structure · corroded · May 23, 2026 · N477MC · Boeing 74747UF · Wing Main, Frame Structure > RH WING W/W STA 1241 AREA CENTER TANK RH JETTISON TRANSFER VALVE ( V52) CUTOUT FOUND CORROSION(CORROSION AREA REMOVED AS PER SRM 51-10-02 AND REPROTECTED AS PER SRM 51-20-01, REWORK AREA MEASURED, ORIGINAL 0.496", L:4" X W:4" X D: 0.006", WITHIN SRM 57-10- - [SDR UIEA2026040800153](https://openairdocs.org/sdr/UIEA2026040800153.md): Structure · corroded · May 23, 2026 · N477MC · Boeing 74747UF · Wing Main, Frame Structure > L/H WLG W/W STA 1241 AREA CENTER TANK L/H JETTISON TRANSFER VLV (V1) CUTOUT FOUND CORROSION.(
CORROSION AREA REMOVED AS PER SRM 51-10-01 AND REPROTECTED AS PER SRM 51-20-01, REWORK AREA MEASURED ORIGINAL: 0.496" L: 4" X W: 4" X D: 0.012", WITHIN SRM 57-10- - [SDR UIEA2026040800154](https://openairdocs.org/sdr/UIEA2026040800154.md): Structure · corroded · May 23, 2026 · N477MC · Boeing 74747UF · Wing Main, Frame Structure > L/H WLG W/W STA1241 AREA. CENTER TANK LEFT O/J PUMP (M224) CUTOUT FOUND CORROSION.(
CORROSION REMOVED AS PER SRM 51-10-02 AND REPROTECTED AS PER SRM 51-20-01, REWORK AREA MEASURED ORIGINAL: 0.810", L: 4" X W: 1.8" X D: 0.065" WITHIN SRM 57-10-10-1A-2 ALLOW - [SDR UIEA2026040800155](https://openairdocs.org/sdr/UIEA2026040800155.md): Seat Track · corroded · May 23, 2026 · N477MC · Boeing 74747UF · Fuselage, Seat/Cargo Attach Fittings > U/D - STA 405 TO 420 LBL 24 SEAT TRACK O/B FLANGE FOUND CORROSION(
CORROSION AREA REMOVED AS PER SRM 51-10-02 AND REPROTECTED AS PER SRM 51-20-01, REWORK AREA MEASURE ORIGINAL: 0.100" L:13" X W:1.1" X D: 0.010" WITHIN SRM 53-00-52-1A-1 ALLOWABLE DAMAGE 1 FIG - [SDR UIEA2026040800156](https://openairdocs.org/sdr/UIEA2026040800156.md): Panel · corroded · May 23, 2026 · N477MC · Boeing 74747UF · Trailing Edge Flaps > LHW O/B T/E FOREFLAP I/B UPR ACC PNL INTERNAL SURFACE EDGE SEVERAL AREA FOUND CORRODED.(
CORROSION AREA REMOVED AS PER SRM 51-10-02 AND REPROTECTED AS PER SRM 51-20-01, REWORK AREA MEASURED ORIGINAL: 0.105", L:15" X W:1" X D:0.003", WITHIN SRM 57-53-01-1A-0 - [SDR UIEA2026040800157](https://openairdocs.org/sdr/UIEA2026040800157.md): Panel · corroded · May 23, 2026 · N477MC · Boeing 74747UF · Trailing Edge Flaps > LHW OB T/E FOREFLAP O/B UPR ACC PNL INTERNAL SURFACE EDGE SEVERAL AREA FOUND CORROSION(
CORROSION AREA REWORKED AS PER SRM 51-10-02 AND REPROTECTED AS PER SRM 51-20-01, REWORK AREA MEASURED ORIGINAL 0.105" L:14" X W:1" X D:0.002", WITHIN SRM 57-53-01-1A-0 AL - [SDR UIEA2026040800158](https://openairdocs.org/sdr/UIEA2026040800158.md): Panel · corroded · May 23, 2026 · N477MC · Boeing 74747UF · Trailing Edge Flaps > LHW I/B T/E AFT FLAP I/B UPR ACC PNL INTERNAL SURFACE EDGE SEVERAL AREA FOUND CORROSION(
CORROSION AREA REMOVED AS PER SRM 51-10-02 AND REPROTECTED AS PER SRM 51-20-01, REWORK AREA MEASURED ORIGINAL 0.105" L:22" X W:1" X D:0.002", WITHIN SRM 57-53-01-1A-0 AL Next page: https://openairdocs.org/model/boeing-747-47uf/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 aircraft_model_key = '74747UF' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/model/boeing-747-47uf/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.