# Service difficulty reports: Boeing 747-271C

A list on [Boeing 747-271C](https://openairdocs.org/model/boeing-747-271c.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 3 · 109 reports

- [SDR UIEA200800085](https://openairdocs.org/sdr/UIEA200800085.md): Fire Warning · false activation · Mar 12, 2008 · N537MC · Boeing 747271C · Fire Detection
  > APU FIRE WARNING LIGHT ILLUMINATED AND FIRE WARNING BELL ACTIVATED DURING MAIN ENGINE START. ENGINE START TERMINATED, APU SHUT DOWN. FIRE BOTTLE DISCHARGED. INVESTIGATION/INSPECTION OF APU AND COMPARTMENT REVEALED NO FIRE, PNEUMATIC AIR LEAK OR EVIDENCE OF
- [SDR UIEA200800039](https://openairdocs.org/sdr/UIEA200800039.md): Spar · delaminated · Feb 8, 2008 · N537MC · Boeing 747271C · Wing Spar
  > EVIDENCE OF DELAMINATION AND CRACKING ON LEADING EDGE TO FRONT SPAR UPPER SURFACE PANEL APPROX WS 380. REPAIRED IAW SRM 51-40-12.
- [SDR UIEA200800037](https://openairdocs.org/sdr/UIEA200800037.md): Skin · delaminated · Feb 8, 2008 · N537MC · Boeing 747271C · Trailing Edge Flaps
  > LEFT OUTBOARD MIDFLAP LE CHIPPED AND HAS EVIDENCE OF DELAMINATION APPROX 6 INCHES LOCATED 18 INCHES OUT BOARD OF NR 1 FLAP TRACK. REPAIRED PER SRM 51-40-12 AND EO4757A418.
- [SDR UIEA200800038](https://openairdocs.org/sdr/UIEA200800038.md): Support · damaged · Feb 7, 2008 · N537MC · Boeing 747271C · Fuselage Miscellaneous Structure
  > LOWER AFT CARGO COMP HAS PALLET STOP SUPPORT WEB SPLIT AT STATION 1915 FROM LBL 22-LBL 28. REPAIRED DAMAGE IAW SRM 51-40-03 FIG 2 AND EO 4753A110.
- [SDR UIEA200800036](https://openairdocs.org/sdr/UIEA200800036.md): Skin · eroded · Feb 7, 2008 · N537MC · Boeing 747271C · Trailing Edge Flaps
  > LEFT OUTBOARD FOREFLAP HAS EVIDENCE OF EROSION AT 2 PLACES ON IT'S LEADING EDGE AT APPROX 12 AND 18 INCHES OUTBOARD OF NR 1 FLAP TRACK, EVIDENCE OF CONTACT BETWEEN FOREFLAP AND T/E PANEL. LT OUTBOARD FOREFLAP LEADING EDGE EROSION REPAIRED IAW SRM 51-40-12 AND
- [SDR UIEA200700473](https://openairdocs.org/sdr/UIEA200700473.md): Acoustic Panel · cracked · Nov 17, 2007 · N537MC · Boeing 747271C · Nacelle/Pylon, Main Frame
  > DURING A CHECK INSPECTION, NR 2 ENGINE NOSE COWL, VISUALLY FOUND AFT INNER SKIN OF ACOUSTIC PANEL CRACKED THREE PLACES (AS VIEWED WITH COWL OPEN): 6 O'CLOCK/8 INCHES LONG; 06:45 O'CLOCK/11 INCHES LONG; 7 O'CLOCK/15 INCHES LONG. APPLIED INTERIM REPAIR IAW SRM
- [SDR UIEA200700477](https://openairdocs.org/sdr/UIEA200700477.md): Nose Cowl · cracked · Nov 15, 2007 · N537MC · Boeing 747271C · Engine Air Intake System
  > NR 2 ENGINE NOSE COWL HAS 3 EACH CRACKS. ONE CRACK AT 7 O'CLOCK POSITION IS 15" LONG. NEXT CRACK AT 6 O'CLOCK POSITION IN 6 INCH LONG AND THE NEXT CRACK AT 6.45 O'CLOCK POSITION IS 11 INCH LONG. REPAIRED NR 2 ENGINE NOSE COWL IAW SRM 51-43-01 AND XEO 71-11
- [SDR UIEA200700341](https://openairdocs.org/sdr/UIEA200700341.md): Inu · malfunctioned · Aug 30, 2007 · N537MC · Boeing 747271C · Inertial Guidance System
  > NR 2 INU BECAME COMPLETELY UNREADABLE AFTER ONE HOUR OF FLIGHT, IT HAD DEVIATED MORE THAN 10 MILES RIGHT OF TRACK. TWO HOURS INTO FLIGHT IT WAS MORE THAN 100 MILES OFF ACTUAL AIRCRAFT POSITION AS ESTABLISHED WITH VOR OVERHEAD. REMOVED AND REPLACED INU P/N 46
- [SDR UIEA200700310](https://openairdocs.org/sdr/UIEA200700310.md): Spar Cap · damaged · Jul 27, 2007 · N537MC · Boeing 747271C · Horizontal Stabilizer, Spar/Rib
  > SEVERAL BOLT HOLES DAMAGED IN LEFT HORIZ STAB SPAR CAP IN THE AREA OF LBL 43.5. REF NON ROUTINES 18389-18392. REAMED DAMAGED HOLE TO FIRST OVERSIZE (.450-.453) IAW SB 747-55A2050. NDT FINDS NO DEFECTS. BOLTS INSTALLED ON CARD 8010 / 8011.
- [SDR UIEA200700309](https://openairdocs.org/sdr/UIEA200700309.md): Spar Cap · damaged · Jul 27, 2007 · N537MC · Boeing 747271C · Horizontal Stabilizer, Spar/Rib
  > HORIZONTAL STAB RT AFT CRACK INDICATION/HOLE DAMAGED AT RT HORIZ SPAR CAP RT SIDE OTBD OF 43.5 INBD FWD HOLE. REAMED DAMAGED HOLE TO FIRST OVERSIZE (.450-.453) IAW SB 747-55A2050. NDT FINDS NO DEFECTS. BOLTS INSTALLED ON CARD 8010 / 8011.
- [SDR UIEA200700308](https://openairdocs.org/sdr/UIEA200700308.md): Spar Cap · damaged · Jul 27, 2007 · N537MC · Boeing 747271C · Horizontal Stabilizer, Spar/Rib
  > HORIZONTAL STAB RT AFT CRACK INDICATION/HOLE DAMAGED AT RT HORIZ SPAR CAP INBD OF 43.5 INBD AFT HOLE. REAMED DAMAGED HOLE TO FIRST OVERSIZE (.450-.453) IAW SB 747-55A2050. NDT FINDS NO DEFECTS. BOLTS INSTALLED ON CARD 8010 / 8011.
- [SDR UIEA200700307](https://openairdocs.org/sdr/UIEA200700307.md): Spar Cap · damaged · Jul 27, 2007 · N537MC · Boeing 747271C · Horizontal Stabilizer, Spar/Rib
  > HORIZONTAL STAB RT AFT CRACK INDICATION/HOLE DAMAGED AT RT HORIZ SPAR CAP INBD OF 43.5 O/B AFT HOLE. REAMED DAMAGED HOLE TO FIRST OVERSIZE (.450-.453) IAW SB 747-55A2050. NDT FINDS NO DEFECTS. BOLTS INSTALLED ON CARD 8010 / 8011.
- [SDR UIEA200700306](https://openairdocs.org/sdr/UIEA200700306.md): Splice Plate · damaged · Jul 27, 2007 · N537MC · Boeing 747271C · Horizontal Stabilizer Structure
  > HORIZONTAL STAB UPPER AFT CRACK INDICATION HOLE/HOLE DAMAGE AT LT SPLICE PLATE UPPER PLATE UPPER INBOARD OF LBL 45.3. AFT OF T/E AFT OUTBOARD FASTENER HOLE (CENTER SECTION). WAS NOTED DURING OPEN HOLE HFEC (NDT) COULD NOT ACQUIRE GOOD HFEC INDICATION DUE TO D
- [SDR UIEA200700305](https://openairdocs.org/sdr/UIEA200700305.md): Spar Cap · damaged · Jul 27, 2007 · N537MC · Boeing 747271C · Horizontal Stabilizer, Spar/Rib
  > HORIZONTAL STAB RT UPPER AFT DAMAGED HOLE AT RT VERTICAL SPAR CAP. INBD OF RBL 43.5 INBD UPPER AND LOWER FASTENER HOLE (CENTER SECTION) WAS NOTED DURING OPEN HOLE HFEC INSPECTION (NDT). COULD NOT ACQUIRE GOOD HFEC INDICATION DUE TO HOLE DAMAGE. REAMED DAMAG
- [SDR UIEA200700304](https://openairdocs.org/sdr/UIEA200700304.md): Trunnion · corroded · Jul 27, 2007 · N537MC · Boeing 747271C · Fuselage, Landing Gear Attach Fittings
  > LEFT BODY GEAR INBOARD TRUNNION FITTING HAS CORROSION AROUND THE UPPER FACE OF 3 BOLT HOLES (INBOARD FWD, OUTBOARD FWD, AND OUTBOARD AFT). LOCALLY BLENDED OUT ALL PITTING CORROSION AREAS. HFEC AND 10X VISUAL INSPECTION PLUS DYE PENETRANT INSPECTION ACCOMPLIS
- [SDR UIEA200700303](https://openairdocs.org/sdr/UIEA200700303.md): Web · cracked · Jul 27, 2007 · N537MC · Boeing 747271C · Fuselage Miscellaneous Structure
  > .50 LENGTH HORIZONTAL CRACK RIGHT SIDE PANEL/WEB AT WL 170 STA 313 NOSE WHEEL WELL AREA. ACCOMPLISHED NOSE WHEEL WELL REPAIR AT WL 170 FROM STA 309 TO 317 IAW SRM 53-10-04.
- [SDR UIEA200700302](https://openairdocs.org/sdr/UIEA200700302.md): Skin · corroded · Jul 27, 2007 · N537MC · Boeing 747271C · Fuselage Main, Plate/Skin
  > CORROSION LEFT FWD UPPER CORNER CUTOUT INNER SURFACE MED NR 3L. REMOVED CORROSION ON INNER SURFACE OF L-3 DOOR CUTOUT IAW B747 SRM 51-10-01. FOUND TO BE OUT OF LIMITS IAW BOEING MSG SR-1384850927-4. FABRICATED REPLACEMENT TAB FROM.080 2024-T3 PER SAME BOEI
- [SDR UIEA200700301](https://openairdocs.org/sdr/UIEA200700301.md): Threshold · cracked · Jul 26, 2007 · N537MC · Boeing 747271C · Fuselage Miscellaneous Structure
  > CRACK NOTED AT SKIN 1.75" IN LENGTH. CRACK NOTED IN BEARSTRAP AT SAME LOCATION 1.75" IN LENGTH. CRACK TERMINATES AT FASTENER HOLE. REMOVED EXISTING DOUBLER AT CRACK TERMINATION HOLE. REAMED HOLE.100 OVERSIZED. FABRICATED AND INSTALLED FREEZE PLUG DRILLED
- [SDR UIEA200700300](https://openairdocs.org/sdr/UIEA200700300.md): Threshold · corroded · Jul 26, 2007 · N537MC · Boeing 747271C · Fuselage Miscellaneous Structure
  > CORROSION ON RIGHT AFT LOWER CORNER CUTOUT INNER SURFACE MED NR 3. REMOVED CORROSION AND BLENDED AREA20:1 MIN REMAINING MATERIAL.222". REMOVED CORNER DOUBLER. INSTALLED NEW DOUBLER. INSTALLED NEW THRESHOLD IAW SRM 51-10-01, 51-30-02, 51-30-04 BOEING MESSA
- [SDR UIEA200700299](https://openairdocs.org/sdr/UIEA200700299.md): Floorbeam · cracked · Jul 26, 2007 · N537MC · Boeing 747271C · Fuselage Main, Floor Beam
  > CRACK INDICATION IN LEFT SIDE OF UPPER DECK FLOORBEAM FUSELAGE 6, 7 AND 8TH HOLES FROM OUTBOARD TOP ROW OF FASTENERS STRAP AREA OF UPPER CHORD REF S/B 747-53A24201 FIG 2 STEP 2. REMOVED CRACKED CHORD SECTION REMOVED CRACKED WEB SECTION FABRICATED AND INSTALLE
- [SDR UIEA200700298](https://openairdocs.org/sdr/UIEA200700298.md): Floorbeam · cracked · Jul 26, 2007 · N537MC · Boeing 747271C · Fuselage Main, Floor Beam
  > CRACK INDICATION IN LEFT SIDE OF UPPER DECK FLOORBEAM FUSELAGE STA 360 5TH AND 8TH HOLES FROM THE OUTBOARD STRAP AREA OF UPPER CORD REF S/B 747-53A24201 FIG 2 STEP 2. INSTALLED FRAME WEB REPAIR REPLACEMENT PARTS IAW SRM 53-10-04 FIG 103 DETAIL 2.
- [SDR UIEA200700297](https://openairdocs.org/sdr/UIEA200700297.md): Floorbeam · cracked · Jul 26, 2007 · N537MC · Boeing 747271C · Fuselage Main, Floor Beam
  > CRACK INDICATION IN RIGHT SIDE OF UPPER DECK FLOORBEAM FUSELAGE STA 440 3RD AND 4TH HOLES FROM THE OUTBOARD TOP ROW OF FASTENERS STRAP AREA OF UPPER CORD REF S/B 747-53A2449 FIG 2 STEP 2. DISASSEMBLED AREA AT STA 440 DISCOVERED CRACKS IN FRAME WEB AND CRACKED
- [SDR UIEA200700296](https://openairdocs.org/sdr/UIEA200700296.md): Floorbeam · cracked · Jul 25, 2007 · N537MC · Boeing 747271C · Fuselage Main, Floor Beam
  > CRACK ON FORWARD FACE OF FLOORBEAM WEB (UPPER DECK) STA 330 LEFT SIDE AT FRAME TO FLOORBEAM ATTACHMENT. REPAIRED CRACKED FLOORBEAM WEB AT STA 330 LEFT PER SB 747-53-2272 DRAWING NR 65B28068 SRM 51-30-02 AND SRM 51-10-01. AREA CHECKED FOR FOD.
- [SDR UIEA200700295](https://openairdocs.org/sdr/UIEA200700295.md): Support Bracket · delaminated · Jul 25, 2007 · N537MC · Boeing 747271C · Trailing Edge Flaps
  > RIGHT INBOARD MIDFLAP MOST OUTBOARD UNDERSIDE SUPPORT BRACKET AREA ON FLAP PREVIOUS REPAIR DISBONDED. REMOVED DISBONDED REPAIR AND INSTALLED NEW REPAIR ON RIGHT INBOARD MIDFLAP MOST OUTBOARD UNDERSIDE SUPPORT BRACKET AREA IAW SRM 51-40-12.
- [SDR UIEA200700294](https://openairdocs.org/sdr/UIEA200700294.md): Structure · punctured · Jul 25, 2007 · N537MC · Boeing 747271C · Trailing Edge Flaps
  > PUNCTURE IN COMPOSITE ON RIGHT OUTBOARD T/E FLAP CARRIAGE NR 6 ON RT INBOARD FLAP. REMOVED DAMAGED FABRICATED DOUBLER OUT OF 2024 T3 IAW SRM 51-40-20.
- [SDR UIEA200700290](https://openairdocs.org/sdr/UIEA200700290.md): Structure · damaged · Jul 25, 2007 · N537MC · Boeing 747271C · Trailing Edge Flaps
  > NICK AND GOUGE DAMAGE TO COMPOSITE ON RT OUTBOARD MID FLAP. CLEANED AND PREPPED AREA. APPLIED REPAIR PER SRM 51-40-15PARA 4L.
- [SDR UIEA200700289](https://openairdocs.org/sdr/UIEA200700289.md): Stringer · corroded · Jul 25, 2007 · N537MC · Boeing 747271C · Fuselage Main, Longeron/Stringer
  > CORROSION ON STRINGER S-15 RIGHT AT BS 1220 4 EACH RIVETS HEADS POPPED WITH CORROSION NOTED UNDER THE RIVET. PRIMER LOOSE AND FLAKING OFF THE STRINGER AT SAME AREA. REMOVED FASTENER AND STRAP IAW SRM 51-30-02. CLEANED STRINGER 15R AT BS 1220 IAW MM 20-11-14
- [SDR UIEA200700288](https://openairdocs.org/sdr/UIEA200700288.md): Seat Track · corroded · Jul 25, 2007 · N537MC · Boeing 747271C · Fuselage, Seat/Cargo Attach Fittings
  > CORROSION ON SEAT TRACK UPPER DECK GALLEY STA 480 TO 520 LBL 60. REMOVED UPPER DECK GALLEY SEAT TRACK STA 480-590 LBL 60. FABRICATED NEW SECTION OF SEAT TRACK FROM BAC1520-1567 7178-T6511 PO NR 1114517 IAW SRM 53-10-05. INSTALLED NEW SECTION OF SEAT TRACK F
- [SDR UIEA200700287](https://openairdocs.org/sdr/UIEA200700287.md): Seat Track · corroded · Jul 25, 2007 · N537MC · Boeing 747271C · Fuselage, Seat/Cargo Attach Fittings
  > CORROSION ON SEAT TRACK UPPER DECK GALLEY STA 480 TO 520 LBL 40. REMOVED UPPER DECK GALLEY SEAT TRACK STA 480-530 LBL 40. FABRICATED NEW SECTION OF SEAT TRACK FROM BAC1520-1567 7178-T6511 PO NR 1114517 IAW SRM 53-10-05. INSTALLED NEW SECTION OF SEAT TRACK F
- [SDR UIEA200700286](https://openairdocs.org/sdr/UIEA200700286.md): Skin · punctured · Jul 25, 2007 · N537MC · Boeing 747271C · Trailing Edge Flaps
  > LT OUTBOARD MID FLAP HAS A PUNCTURE IN THE UPPER SURFACE 112" FROM INBOARD EDGE AND 8" FROM T/E. REPAIRED LT OUTBOARD MIDFLAP IAW SRM 51-40-15 PARA 4C. APPLIED CONDUCTIVE COATING IAW SRM 51-24-03 APPLIED PRIMER AND TOP COAT PER 51-21-02.
- [SDR UIEA200700285](https://openairdocs.org/sdr/UIEA200700285.md): Skin · punctured · Jul 24, 2007 · N537MC · Boeing 747271C · Trailing Edge Flaps
  > PUNCTURE ON LOWER AFT SURFACE OF RT INBOARD T/E FORE FLAP AT WBL 235.2. PUNCTURE ON LOWER AFT SURFACE OF RIGHT I/B T/E FOREFLAP AT WBL 235.2 CLEANED AND PREPPED AREA FOR REPAIR IAW SRM 51-40-12. APPLIED REPAIR IAW SRM 51-40-12 PARA 4A AND PAINTED IAW MM 51-4
- [SDR UIEA200700284](https://openairdocs.org/sdr/UIEA200700284.md): Panel · gouged · Jul 24, 2007 · N537MC · Boeing 747271C · Horizontal Stabilizer, Plate/Skin
  > PANEL 341BR RIGHT HORIZ STAB LEADING EDGE TOOLING MARKS AND GOUGES. REPAIRED TOOLING MARKS ON RIGHT LEADING EDGE OF HORIZ STAB IAW SRM 55-10-03.
- [SDR UIEA200700283](https://openairdocs.org/sdr/UIEA200700283.md): Skin · cracked · Jul 24, 2007 · N537MC · Boeing 747271C · Fuselage Main, Plate/Skin
  > RIGHT SIDE STA 1271.5 WL 200 CRACK NOTED ON SKIN 1" IN LENGTH AND TERMINATES JUST AFT OF FASTENER HOLE. DOES NOT GO INTO HOLE. REMOVED EXISTING DOUBLER ACCOMPLISHED TRIM OUT ON SKIN AND BEAR STRAP. INSTALLED NEW DOUBLER AND FILLER FOR TRIMMED OUT AREA IAW
- [SDR UIEA200700282](https://openairdocs.org/sdr/UIEA200700282.md): Trunnion · corroded · Jul 24, 2007 · N537MC · Boeing 747271C · Fuselage, Landing Gear Attach Fittings
  > CORROSION ON UPPER SURFACE OF RIGHT BODY GEAR OUTBOARD TRUNNION UPPER CAP AROUND THE FORWARD BOLT HOLE. LOCALLY BLENDED PITTING CORRODED AREA. HFEC AND 10X VISUAL INSPECTION PLUS DYE PENETRANT INSPECTED. SPOT FACED WASHER BEARING SURFACE AREA SHOT PEENED BL
- [SDR UIEA200700281](https://openairdocs.org/sdr/UIEA200700281.md): Skin · punctured · Jul 24, 2007 · N537MC · Boeing 747271C · Trailing Edge Flaps
  > 3 SMALL PUNCTURES IN UPPER SURFACE OF LEFT INBOARD MID FLAP. CAUSED BY DROPPED TOOL. CLEANED AREA OF DAMAGE PREPPED AREA FOR REPAIRS IAW 747 SRM 51-40-12 REPAIRS 4C AND 4D. APPLIED CONDUCTIVE COATING IAW 747AMM 51-24-03 PRIMED AND TOP COATED IAW AMM 51-24-0
- [SDR UIEA200700280](https://openairdocs.org/sdr/UIEA200700280.md): Spar · gouged · Jul 24, 2007 · N537MC · Boeing 747271C · Horizontal Stabilizer, Spar/Rib
  > RT HORIZ STAB AUX SPAR FWD FACE HAS 7 EACH GOUGES BETWEEN STAB STATIONS 210 - 240 ABOVE LOWER RIVET PATTERN. FOUND GOUGES OUT OF LIMITS, IAW 747 SRM 55-10-01. CUT OUT DAMAGE, FABRICATED FILLER AND DOUBLER IAW B747 SRM 51-10-02. INSTALLED FILLER AND DOUBLER
- [SDR UIEA200700279](https://openairdocs.org/sdr/UIEA200700279.md): Trunnion · damaged · Jul 24, 2007 · N537MC · Boeing 747271C · Fuselage, Landing Gear Attach Fittings
  > NOSE GEAR LEFT TRUNNION BEARING LOWER CAP TOOLING DAMAGE ON BOTTOM MATING SURFACE. BLENDED OUT DAMAGE MIN.250"R, HFEC AND 10X VISUAL INSPECTION TREATED AND PRIMED. REF BOEING 8100-9 MESSAGE 1-384920112-1.
- [SDR UIEA200700278](https://openairdocs.org/sdr/UIEA200700278.md): Trunnion · corroded · Jul 24, 2007 · N537MC · Boeing 747271C · Fuselage, Landing Gear Attach Fittings
  > LT BODY GEAR OUTBOARD TRUNNION BEARING SUPPORT FITTING FACE HAS PITTING. BORE FACE AND SIDE FACES WERE MACHINED TO REMOVE DAMAGED AREAS ID= 10.826", IB SIDE FACE = 0.017 REMOVED. OB SIDE FACE = 0.025 REMOVED. REPAIR REF B747 SRM 53-10-08 FIG 2.
- [SDR UIEA200700277](https://openairdocs.org/sdr/UIEA200700277.md): Trunnion · corroded · Jul 24, 2007 · N537MC · Boeing 747271C · Fuselage, Landing Gear Attach Fittings
  > LT BODY GEAR OUTBOARD TRUNNION FITTING HAS CORROSION AROUND THE UPPER FACE OF THE FWD BOLT HOLE. LOCALLY BLENDED CORROSION AREAS AND THEN SPOT FACING AROUND THE FORWARD BOLT HOLE REMOVE ALL BLEND OUTS WITHIN THE BEARING SURFACE. REF BOEING 8100-9.
- [SDR UIEA200700276](https://openairdocs.org/sdr/UIEA200700276.md): Spar Cap · cracked · Jul 24, 2007 · N537MC · Boeing 747271C · Horizontal Stabilizer, Spar/Rib
  > HORIZONTAL STABILIZER UPPER AFT CRAFT INDICATION/HOLE DAMAGE AT LT HORIZONTAL SPAR CAP INBD OF LBL 43.5 INBD AFT HOLE. REAMED DAMAGED HOLE TO FIRST OVERSIZE (.450-.453) IAW SB 747-55A2050. NDT FINDS NO DEFECTS. BOLTS INSTALLED ON CARDS NR 8010/8011.
- [SDR UIEA200700275](https://openairdocs.org/sdr/UIEA200700275.md): Frame · corroded · Jul 24, 2007 · N537MC · Boeing 747271C · Fuselage Main, Frame
  > CORROSION ON RIGHT AFT UPPER AND LOWER CORNER INBOARD SIDE OF THE R3 DOOR CUT OUT. XEO-53-072007 ACCOMPLISHED TO REMOVE EXFOLIATION CORROSION. TO BE REINSPECTED EVERY 3000 FLIGHT CYCLES PER PART 2 OF XEO 53-072007. NDT AND VISUAL INSPECTION ACCOMPLISHED REF
- [SDR UIEA200700213](https://openairdocs.org/sdr/UIEA200700213.md): Panel · dented · Apr 27, 2007 · N537MC · Boeing 747271C · Wing, Plate/Skin
  > LT WING LEADING EDGE HAS A 6.5 INCH LONG BY 3.0 INCH WIDE DENT AT ILES 207.0. PERMANENT REPAIR WAS ACCOMPLISHED AS PER B747-200 SRM 51-40-09 FIG 18 SHEETS 1 THRU 5 AND B747-200 51-40-12. ALSO, REFERENCE ATLAS AIR EO NR 4757A357.
- [SDR UIEA200700214](https://openairdocs.org/sdr/UIEA200700214.md): Panel · delaminated · Apr 27, 2007 · N537MC · Boeing 747271C · Wing, Plate/Skin
  > RT WING UPPER L/E PANEL AT WS 440.0 HAS AN AREA OF 24.0 INCH LONG BY 12.0 INCH WIDE OF DELAMINATION. PERMANENT REPAIR WAS ACCOMPLISHED AS PER B747-200 SRM 51-40-09 FIG 18 SHEETS 1 THRU 5 AND 747-200 SRM 51-40-12. ALSO, REFERENCE ATLAS AIR EO NR 4757A358.
- [SDR UIEA200700205](https://openairdocs.org/sdr/UIEA200700205.md): Warning Horn · false activation · Apr 16, 2007 · N537MC · Boeing 747271C · Central Computers
  > TAKEOFF WARNING HORN SOUNDED WITH ALL THROTTLES AT N-1 APPROX 104.9 JUST PRIOR TO 80 KNOTS. (RTO). TAKEOFF AURAL WARN TEST CARRIED OUT AS PER MM 31-26-00, NO FAULTS FOUND. AURAL WARN UNIT ELECT CONNECTION INSPECTED AND CHECKED OK. FLAPS, SPEED BRAKE AND STA
- [SDR UIEA200700201](https://openairdocs.org/sdr/UIEA200700201.md): Actuator Valve · failed · Apr 12, 2007 · N537MC · Boeing 747271C · Landing Gear Door Actuator
  > DIVERSION TO JFK, AFTER T/O THE GEAR WAS RETRACTED RED GEAR LIGHT REMAINED ON APPROX 3 SECS LATER THE NOSE GEAR DOOR CAME OPEN AND THEN CLOSED. DOOR CYCLED 3 TIME WITH GEAR HANDLE IN THE UP POSITION. REMOVED AND REPLACED NOSE GEAR DOOR OPERATED SEQUENCE VALV
- [SDR UIEA200600298](https://openairdocs.org/sdr/UIEA200600298.md): Skin Panel · delaminated · Nov 29, 2006 · N537MC · Boeing 747271C · Wing, Plate/Skin
  > LT WING UPPER L/E PANELS AT ILES 675.50 AND ILES 651.50 HAS AREA OF DELAMINATION. ACCOMPLISHED PERMANENT REPAIRS AT LT WING L/E UPPER PANELS AS PER BOEING 747 SRM 51-40-09 FIG 18, SHEET 5 AND 747 SRM 51-40-12. ILES 675.50 REPAIR AREA IS 7.0 INCH LONG BY 7.0
- [SDR UIEA200600297](https://openairdocs.org/sdr/UIEA200600297.md): Skin Panel · delaminated · Nov 29, 2006 · N537MC · Boeing 747271C · Wing, Plate/Skin
  > LT WING UPPER FIXED TRAILING EDGE PANEL AT WBL 445.0 HAS A 2.O INCH CRACK. ACCOMPLISHED PERMANENT REPAIR AS PER BOEING 747 SRM 51-40-09 FIG. 2, SHEET 5 AND 747 SRM 51-40-12. REPAIR AREA IS 3.0 INCH LONG BY 4.0 INCH WIDE. ALSO, REFERENCE ATLAS AIR XEO NR 57-
- [SDR UIEA200600271](https://openairdocs.org/sdr/UIEA200600271.md): Tire · blown · Sep 28, 2006 · N537MC · Boeing 747271C · Tire
  > MLG WHEEL NR 14 BLOWN OUT DURING LANDING. REMOVED AND REPLACED 13 & 14 MLG WHEEL IAW AMM 32-45-01 SPIN AND LEAK CHECK OK. REMOVED AND REPLACED ANTI-SKID CONTROL BOX AND 14 FRONT OUTBOARD ANTI-SKID SERVO VALVE AS PER AMM 32-42-00. TEST & LEAK CHECK OK. ACCO
- [SDR UIEA200600249](https://openairdocs.org/sdr/UIEA200600249.md): Panel · cracked · Sep 2, 2006 · N537MC · Boeing 747271C · Fuselage Miscellaneous Structure
  > DURING INSPECTION FOUND CLOSEOUT PANEL CRACK AT STA 1240 RBL 75-98. REPAIRED CLOSEOUT PANEL AS PER DWG 65B07992.
- [SDR UIEA200600248](https://openairdocs.org/sdr/UIEA200600248.md): Frame · cracked · Sep 2, 2006 · N537MC · Boeing 747271C · Fuselage Main, Frame
  > DURING INSPECTION FOUND M/D FRAME WEB CRACKED AT STA 340 RT STR 12A. FRAME WEB REPAIRED AS PER SRM 53-10-04 FIG 102 AND EO NR 4753A817.

Next page: https://openairdocs.org/model/boeing-747-271c/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 = '747271C'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/model/boeing-747-271c/reports

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