# Service difficulty reports: Boeing 747-123

A list on [Boeing 747-123](https://openairdocs.org/model/boeing-747-123.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 46 · 2,292 reports

- [SDR IPXA2016062905189](https://openairdocs.org/sdr/IPXA2016062905189.md): Doubler · cracked · Jun 15, 2016 · N675UP · Boeing 747123 · Wing, Plate/Skin
  > INSPECTION TYPE:1C, LT WING FIXED L/E INNER BEADED DOUBLER CRACKED XOS 613. REPAIRED LT WING BEADED DOUBLER XOS 610-616 IAW SRM 57-40-02, REPAIR 15, FIG 203.
- [SDR KCSA081484](https://openairdocs.org/sdr/KCSA081484.md): Attach Fitting · cracked · Sep 20, 2008 · N717CK · Boeing 747123 · Fuselage, Landing Gear Attach Fittings
  > RT BODY GEAR ACTUATOR ATTACH FITTING OTBD LUG IS CRACKED 2 INCHES AT STA 1480.
- [SDR KCSA081483](https://openairdocs.org/sdr/KCSA081483.md): Stop Fitting · cracked · Sep 20, 2008 · N717CK · Boeing 747123 · Passenger/Crew Doors
  > R3 DOOR NR 3 STOP FITTING HAS A 3 INCH CRACK AT STA 1264, WL225.
- [SDR KCSA081470](https://openairdocs.org/sdr/KCSA081470.md): Frame · corroded · Sep 16, 2008 · N717CK · Boeing 747123 · Fuselage Main, Frame
  > CHORD CORRODED AT STA 1241, RBL 95, WL 160. NEXT TO TOOTH FITTING STIFFENER.
- [SDR KCS2008F00011](https://openairdocs.org/sdr/KCS2008F00011.md): Light · inoperative · Sep 13, 2008 · N717CK · Boeing 747123 · Emergency Lighting
  > MAIN DECK STA 2290 OVERHEAD EMERGENCY EXIT LIGHTS INOPERATIVE. (K)
- [SDR KCS2008F00010](https://openairdocs.org/sdr/KCS2008F00010.md): Light · inoperative · Sep 13, 2008 · N717CK · Boeing 747123 · Emergency Lighting
  > L-5 DOOR SILL EMERGENCY EXIT LIGHTS INOPERATIVE. (K)
- [SDR KCSA081252](https://openairdocs.org/sdr/KCSA081252.md): Skin · damaged · May 18, 2008 · N717CK · Boeing 747123 · Fuselage Main, Plate/Skin
  > SMALL AREA OF DAMAGE ON FUSELAGE BELLY SKIN AT BS 788, LBL-2.
- [SDR KCSA081251](https://openairdocs.org/sdr/KCSA081251.md): Skin · damaged · May 18, 2008 · N717CK · Boeing 747123 · Fuselage Main, Plate/Skin
  > SMALL AREA OF DAMAGE ON FUSELAGE BELLY SKIN AT BS 680, RBL-5.
- [SDR KCSA081250](https://openairdocs.org/sdr/KCSA081250.md): Skin · damaged · May 18, 2008 · N717CK · Boeing 747123 · Fuselage Main, Plate/Skin
  > SMALL AREA OF DAMAGE ON FUSELAGE BELLY SKIN AT BS 787, LBL-2.
- [SDR KCSA081238](https://openairdocs.org/sdr/KCSA081238.md): Skin · damaged · May 8, 2008 · N717CK · Boeing 747123 · Fuselage Main, Plate/Skin
  > SMALL AREA OF DAMAGE ON FUSELAGE BELLY SKIN AT BS 644, RBL-2.
- [SDR KCSA081237](https://openairdocs.org/sdr/KCSA081237.md): Skin · damaged · May 8, 2008 · N717CK · Boeing 747123 · Fuselage Main, Plate/Skin
  > SMALL AREA OF DAMAGE ON FUSELAGE BELLY SKIN AT BS 647, RBL-2
- [SDR KCSA081236](https://openairdocs.org/sdr/KCSA081236.md): Skin · damaged · May 8, 2008 · N717CK · Boeing 747123 · Fuselage Main, Plate/Skin
  > SMALL AREA OF DAMAGE ON FUSELAGE BELLY SKIN AT BS 610, LBL-2.
- [SDR KCSA081235](https://openairdocs.org/sdr/KCSA081235.md): Skin · damaged · May 8, 2008 · N717CK · Boeing 747123 · Fuselage Main, Plate/Skin
  > SMALL AREA OF DAMAGE ON FUSELAGE BELLY SKIN AT BS 792, BL-0.
- [SDR KCSA081230](https://openairdocs.org/sdr/KCSA081230.md): Skin · damaged · Apr 24, 2008 · N717CK · Boeing 747123 · Cargo/Baggage Doors
  > AFT CARGO DOOR SKIN EDGE DAMAGED AT BS 1830, STR 42R.
- [SDR KCSA081227](https://openairdocs.org/sdr/KCSA081227.md): Frame · damaged · Apr 24, 2008 · N717CK · Boeing 747123 · Fuselage Main, Frame
  > FORWARD BILGE FUSELAGE FRAME UPPER CAP IS DAMAGED AT STA 760, RBL 80.
- [SDR KCSA081226](https://openairdocs.org/sdr/KCSA081226.md): Frame · damaged · Apr 24, 2008 · N717CK · Boeing 747123 · Fuselage Main, Frame
  > FORWARD BILGE FUSELAGE FRAME UPPER CAP IS DAMAGED AT STA 700, RBL 80.
- [SDR KCSA081225](https://openairdocs.org/sdr/KCSA081225.md): Bulkhead · chafed · Apr 24, 2008 · N717CK · Boeing 747123 · Nacelle/Pylon, Bulkhead/Firewall
  > NR 1 PYLON BULKHEAD HAS A CHAFED AREA AT NAC STA 221.90.
- [SDR KCSA081224](https://openairdocs.org/sdr/KCSA081224.md): Torque Box · punctured · Apr 24, 2008 · N717CK · Boeing 747123 · Fuselage Miscellaneous Structure
  > FORWARD BILGE TORQUE BOX WEB HAS A PUNCTURED HOLE AT STA 660 TO 680, RBL 70.
- [SDR KCSA081223](https://openairdocs.org/sdr/KCSA081223.md): Bulkhead · gouged · Apr 24, 2008 · N717CK · Boeing 747123 · Nacelle/Pylon, Bulkhead/Firewall
  > NR 3 PYLON FORWARD ENGINE MOUNT BULKHEAD CHORD INBOARD AND OUTBOARD LOWER ENDS ARE GOUGED / WORN AT NAC STA 128.95.
- [SDR KCSA08023](https://openairdocs.org/sdr/KCSA08023.md): Pressure Panel · leaking · Mar 30, 2008 · N717CK · Boeing 747123 · Fuselage Main, Bulkhead
  > UNABLE TO MAINTAIN CABIN ABOVE FL 260. COMPLETED ALL CHECK LISTS BUT STILL UNABLE TO MAINTAIN ALT. FOUND 8 INCH DIAMETER HOLE IN PRESSURE PAN ASSY. INSTALLED NEW PRESSURE PANEL ASSY PER SRM 51-30-02, 51-10-01 AND 51-10-06. PRESSURIZATION LEAK CHECK GOOD PE
- [SDR UPS08451591](https://openairdocs.org/sdr/UPS08451591.md): Skin · cracked · Jan 30, 2008 · N676UP · Boeing 747123 · Ailerons
  > LT O/B AILERON UPPER SKIN HAS.5" BPT CRACK 4" FWD T/E, 11' IB OF OB END. APPLIED SPEED TAPE PER SRM 51-40-09 FIG 1 TABLE 1 AND TABLE II. REINSPECT EVERY "A" CHECK. PERMANENT REPAIR AT NEXT "C" CHECK. TRANSFERRED TO D368106.
- [SDR KCSA081011](https://openairdocs.org/sdr/KCSA081011.md): Seat Track · damaged · Jan 13, 2008 · N717CK · Boeing 747123 · Fuselage, Seat/Cargo Attach Fittings
  > FWD PIT SEAT TRACK DAMAGED AT BS 560, RBL 48.
- [SDR UPS08451374](https://openairdocs.org/sdr/UPS08451374.md): Engine · power loss · Jan 4, 2008 · N672UP · Boeing 747123 · Engine (Turbine/Turboprop)
  > INSPECTION TYPE:N/A IFSD - AT FL360 AT CRUISE NR 3 ENG ROLLED BACK, CHECK FUEL PANEL ENG HAD PRESS VIA X FEED. ENG STILL ROLLING BACK. PLACED IGN TO FLT START, TEMP STARTED TO OVERTEMP. SHUT ENG DOWN. DESCENDED TO 28000. DID INFLIGHT RESTART AND ENG START
- [SDR UPS07451230](https://openairdocs.org/sdr/UPS07451230.md): Hose · burned · Dec 1, 2007 · N672UP · Boeing 747123 · Propeller/Rotor Anti-Ice/De-Ice System
  > INSPECTION TYPE:A CK DURING INSPECTION OF EO FOUND WATER DRAIN TUBE CRUSHED AND BURNED. ALSO, FOUND EVIDENCE OF BURNED INSULATION BLANKET REF EO B747-3670-27749B. ORDERED NEW HOSE ON REQ A940808. WORKING WITH ENG ON INSULATION. REPLACE HOSE ASSY PER B747-3
- [SDR KCSA071528](https://openairdocs.org/sdr/KCSA071528.md): Seat Track · damaged · Nov 23, 2007 · N717CK · Boeing 747123 · Fuselage, Seat/Cargo Attach Fittings
  > FORWARD BILGE SEAT TRACK IS DAMAGED AT STA 570 TO 590, LBL 45.
- [SDR UPS07451115](https://openairdocs.org/sdr/UPS07451115.md): Generator · inoperative · Nov 7, 2007 · N676UP · Boeing 747123 · Alternator-Generator Drive
  > INSPECTION TYPE:N/A ATB FOR NR 3 BUSS TIE ON WITH FEEDER FAULT LT & CONST SPEED LIGHT. FIVE MIN LATER, CONST SPD LIGHT GEN 2 & GEN 4 W/LOSS OF BOOST PUMP IN TANKS 2 AND 3, NR 2 AFT, NR 3 FWD. NR 3 FAULT ANNUNCIATOR SHOWED GEN/FEEDER. INSPECTED FEEDERS IN PY
- [SDR UPS07451107](https://openairdocs.org/sdr/UPS07451107.md): Csd · overheated · Nov 6, 2007 · N676UP · Boeing 747123 · Alternator-Generator Drive
  > IFSD, NR 2 ENG CSD HAD HIGH OIL TEMP. FLIGHT CREW TRIED TO DISCONNECT BUT COULDN'T. FOLLOWED CHECK LIST AND SHUT DOWN ENGINE. MX INSPECTED NR 2 ENG CSD AND FOUND THAT OIL HAD LEAKED OUT AND CSD OVERHEATED. CSD REMOVED AND REPLACED AND GEAR BOX INSPECTION
- [SDR UPS07451082](https://openairdocs.org/sdr/UPS07451082.md): Connector · damaged · Oct 23, 2007 · N676UP · Boeing 747123 · Light System Wiring
  > EMERGENCY LIGHTS ABOVE R1 DOOR DO NOT WORK. FOUND TERMINAL END ON EXIT SIGN BROKEN. REPLACED PER BOEING SSWD 20-30-11. FUSE BLOWN ON POWER PACK MODULE. REPLACED MODULE X328 MM 33-51-04/2. ALSO, FOUND WIRES AT PLUG DC228 BROKEN. REPLACED PLUG PER BOEING S
- [SDR UPS07450701](https://openairdocs.org/sdr/UPS07450701.md): Power Supply · inoperative · Sep 20, 2007 · N672UP · Boeing 747123 · Emergency Lighting
  > INSPECTION TYPE:N/A CREW SERVICE DOOR EMERGENCY SLIDE LIGHT INOP. REMOVED & REPLACED POWER SUPPLY MODULE X327 REF WD 33-51-12 AND MM 33-51-04, OPS CHECK GOOD.
- [SDR UPS07450630](https://openairdocs.org/sdr/UPS07450630.md): Accumulator · leaking · Sep 10, 2007 · N676UP · Boeing 747123 · Landing Gear Brake System
  > INSPECTION TYPE:N/A PILOT REPORT - BRAKES SLOW TO RESPOND, FOUND BRAKE ACCUMULATOR LOW DURING ATTEMPTED SERVICE. FOUND LARGE AMOUNT OF HYD FLUID ON NITROGEN SIDE OF ACCUMULATOR. REMOVED AND REPLACED BRAKE ACCUMULATOR PER MM 32-41-09. SERVICED, OPS CHECK GOO
- [SDR UPS07450049](https://openairdocs.org/sdr/UPS07450049.md): Water Separator · cracked · Jun 26, 2007 · N672UP · Boeing 747123 · Humidity Control System
  > ATB - AFTER T/O, NR 3 PACK WOULD NOT OPERATE. ZERO AIRFLOW. NO FUNCTION. SWITCHES AND C/B'S RECYCLED. TRIED IN MAN/AUTO. NO HELP. NOTE: ISOLATION A BLEED VALVES OPEN WITH NORMAL DUCT PRESSURE. T/S PERFORMED. FOUND NR 3 PACK WATER SEPARATOR FROZEN UP. W
- [SDR KCSA071195](https://openairdocs.org/sdr/KCSA071195.md): Frame · damaged · Jun 25, 2007 · N717CK · Boeing 747123 · Fuselage Main, Frame
  > AFT PIT FUSELAGE FRAME WEB DAMAGED AT BS 1810 BETWEEN STR 39R AND STR 40R.
- [SDR KCSA071194](https://openairdocs.org/sdr/KCSA071194.md): Skin · corroded · Jun 20, 2007 · N717CK · Boeing 747123 · Wing, Plate/Skin
  > STA 990 ABOVE NR 2 RAM AIR INLET DUCT, LOWER SIDE OF CENTER WING TANK HAS AREA OF CORROSION AT LBL 82.
- [SDR KCSA071192](https://openairdocs.org/sdr/KCSA071192.md): Skin · corroded · Jun 16, 2007 · N717CK · Boeing 747123 · Fuselage Main, Plate/Skin
  > FUSELAGE SKIN HAS CORROSION AT STA 2235, BETWEEN STR 29R & 30R.
- [SDR KCSA071191](https://openairdocs.org/sdr/KCSA071191.md): Rivet · pulled · Jun 14, 2007 · N717CK · Boeing 747123 · Wing, Plate/Skin
  > RIVETS PULLING THROUGH SKIN AFT OF AFT SPAR TOPSIDE OF WING AT WS-411.
- [SDR KCSA07049](https://openairdocs.org/sdr/KCSA07049.md): Engine · flamed out · Jun 5, 2007 · N717CK · Boeing 747123 · Engine (Turbine/Turboprop)
  > AT FLIGHT LEVEL 370, NR 1 & 4 ENG FLAMEOUT, RAPID RESTARTED ENGINES, NR 1 RELIGHT AT 31.0, NR 4 AT 28.0. BOTH ENGINES STABILIZED WITH NORMAL PARAMETERS & OPERATED NORMAL FOR REST OF FLIGHT.
- [SDR UPS07449798](https://openairdocs.org/sdr/UPS07449798.md): Panel · cracked · May 14, 2007 · N672UP · Boeing 747123 · Wing, Plate/Skin
  > LEFT WING LOWER T/E PANEL HAS 5 FT CRACK. A/C IS OOS. [SUP 05-21-07] REMOVED PANEL FROM A/C. SENT TO SHEETMETAL SHOP. PANEL REINSTALLED IAW EO B747-5720-6416E.
- [SDR UPS07449812](https://openairdocs.org/sdr/UPS07449812.md): Spar · broken · May 13, 2007 · N676UP · Boeing 747123 · Horizontal Stabilizer Structure
  > INSPECTION TYPE:C RIGHT HORIZONTAL STABILIZER UPPER REAR SPAR AND SPLICE PLATE INSP BROKEN BOLTS INDICATION REVEALED ON BOLT 6 & 29. RIGHT HORIZONTAL STAB UPPER REAR SPAR AND SPLICE PLATE BROKEN BOLTS 6 & 29 POSITION REPLACED (BOLTS P/N ON:BACB30US6K17 & BACB
- [SDR KCSA071158](https://openairdocs.org/sdr/KCSA071158.md): Bulkhead · chafed · Apr 18, 2007 · N717CK · Boeing 747123 · Nacelle/Pylon, Bulkhead/Firewall
  > NR 1 PYLON HYDRAULIC PRESSURE LINE AT NAC STA 221.9 BULKHEAD IS CHAFING.
- [SDR UPS07449324](https://openairdocs.org/sdr/UPS07449324.md): Door · malfunctioned · Mar 5, 2007 · N672UP · Boeing 747123 · Landing Gear Door Retract Section
  > NOSE GEAR DOORS OPENING DURING FLIGHT. REMOVED AND REPLACED NOSE GEAR DOOR SEQUENCE VALVE. OPS CHECK NORMAL. OK FOR CONTINUED SERVICE.
- [SDR UPS07449286](https://openairdocs.org/sdr/UPS07449286.md): Unknown · unknown · Mar 3, 2007 · N672UP · Boeing 747123 · Brake
  > DURING LANGING GEAR ROLL AT APPROX 95 KNOTS APPLIED MAXIMUM BRAKING EFFORT (BRAKE PEDALS PUSHED TO END OF THROW) AND THE ANTI SKID DID NOT CYCLE. ACCOMPLISHED HYD BRAKE SYS. ADJ/TEST MM 32-41-00. NO FAULT NOTED. ALL SATISFACTORY. CHECKED CABLE TENSIONS PE
- [SDR UPS07449282](https://openairdocs.org/sdr/UPS07449282.md): Brake · stiff · Mar 2, 2007 · N672UP · Boeing 747123 · Brake
  > BTB - APPLIED MAX BRAKING EFFORT AT 15 KNOTS GROUND SPEED. A/C CAME TO A SLOW GENTLE STOP. BRAKE PEDAL TRAVEL AND RESISTANCE IS INCONSISTANT WITH NORMAL BRAKING FEEL. T/S HYD BRAKE SYS IAW MM 32-41-00. CLEANED AND LUBED CABLE QUADRANTS. OPS CHECK NORMAL.
- [SDR UPS07449269](https://openairdocs.org/sdr/UPS07449269.md): Brake · failed · Mar 1, 2007 · N672UP · Boeing 747123 · Landing Gear Brake System
  > INSPECTION TYPE:N/A BTB - BRAKES BOTTOMED OUT DURING TAXI. BLED BRAKE SYS IAW 32-41-00. CK'D CABLE TENSION IAW AMM 32-41-00, PG 501. CABLE TENSION CKS GOOD. TAXIED A/C BRAKES OPERATE NORMAL IAW AMM 32-41-00 PG 1. OK FOR SERVICE.
- [SDR UPS07449236](https://openairdocs.org/sdr/UPS07449236.md): Battery Pack · inoperative · Feb 23, 2007 · N672UP · Boeing 747123 · Emergency Lighting
  > INSPECTION TYPE:N/A AFT EMERGENCY LIGHT IN MAIN ENTRY DOOR INOP. RELAMP, NO HELP. REMOVED AND REPLACED BATTERY PACK PER CHAPTER 33. OPS CHECKS OK.
- [SDR UPS07449139](https://openairdocs.org/sdr/UPS07449139.md): Swivel · leaking · Feb 7, 2007 · N676UP · Boeing 747123 · Hydraulic Reservoir, Main
  > INSPECTION TYPE:N/A COMPLETE LOSS OF HYD QTY IN FLIGHT, ON SYSTEM NR 4. NOTE: RESERVOIR NR 4 INDICATED 1 GALLON. FOUND RIGHT MAIN GEAR DOWNLOCK ACTUATOR FWD HOSE NEAR UPPER FITTING AT SWIVEL LEAKING. REMOVED AND REPLACED HOSE ASSY, SERVICED NR 4 HYD QTY PR
- [SDR UPS07449117](https://openairdocs.org/sdr/UPS07449117.md): Skin · punctured · Jan 31, 2007 · N672UP · Boeing 747123 · Fuselage Main, Plate/Skin
  > INSPECTION TYPE:C FX- BS 203 RBL 3" EXTERIOR SKIN FOUND PUNCTURED, CRACK LENGTH 1/2". FX EXTERIOR SKIN REPAIRED AS PER SRM 53-30-03 FIG 1, JUST BETWEEN BS 195 AND 208 STR -1L AND STR -1R.
- [SDR UPS07449013](https://openairdocs.org/sdr/UPS07449013.md): Seat Track · corroded · Jan 23, 2007 · N672UP · Boeing 747123 · Fuselage, Seat/Cargo Attach Fittings
  > INSPECTION TYPE:C FWD CARGO COMPT SEAT TRACK FOUND CORROSION AT STA 980 LBL 25. FWD CARGO COMPT BS 930 TO BS 980 LBL 25 AREA TRACK REPAIRED AS PER SRM 53-10-05 FIG 5.
- [SDR UPS07449012](https://openairdocs.org/sdr/UPS07449012.md): Stringer · cracked · Jan 22, 2007 · N672UP · Boeing 747123 · Fuselage Main, Longeron/Stringer
  > INSPECTION TYPE:C AFT OF BULK CARGO COMPT STR 32R BETWEEN BS 2200 TO BS 2220 FOUND 1EA HOLE CRACK AS MARKED (AFTER SKIN TRIMMED OFF) CRACK LENGTH.125 INCH. AFT OF BULK CARGO COMPT BETWEEN BS 2181 TO BS 2220 STR 32R REPAIRED AS PER SRM 53-10-03 FIG 1.
- [SDR UPS07449086](https://openairdocs.org/sdr/UPS07449086.md): Stringer · cracked · Jan 21, 2007 · N672UP · Boeing 747123 · Fuselage Main, Longeron/Stringer
  > INSPECTION TYPE:C LEFT SIDE BS 460 STR 15 STRINGER FASTENER HOLE CRACK FOUND RUNNING TO UPPER EDGE AND RUNNING DOWNWARD APPROX.25 INCH, CRACK LENGTH.5 INCH. M/D LEFT BS 460 STR 15L STRINGER REPLACED AND INSTALLED AS PER SRM 51-10-01 PG 9 AND 51-30-02.
- [SDR UPS07449085](https://openairdocs.org/sdr/UPS07449085.md): Stringer · corroded · Jan 15, 2007 · N672UP · Boeing 747123 · Fuselage Main, Longeron/Stringer
  > INSPECTION TYPE:C M/D AFTER BS 1800-1820 RIGHT WINDOW FORGING REMOVED FOUND STR 22R AFTER END CORRODED. CORROSION BLEND OUT 0.080 X.5 X 2 INCHES EXCEED SRM LIMIT. M/D BS 1740-1960 STR 22R STRINGER REPLACED AND INSTALLED AS PER SRM 51-10-01 PG 9 AND 51-30-02

Next page: https://openairdocs.org/model/boeing-747-123/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 = '747123'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/model/boeing-747-123/reports

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