# N921UP: 1968 Boeing 727-180C, registration cancelled 2006-08-23

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 23, 2006
- Status when cancelled: Sale reported
- Airframe: [Boeing 727-180C](https://openairdocs.org/model/boeing-727-180c) (registry code 138406G)
- Engine: [Rolls-Royce TAY-651-54](https://openairdocs.org/engine/rolls-royce-tay-651-54) (registry code 54564)
- Data sheets: [TCDS A3WE](https://openairdocs.org/tcds/A3WE), [TCDS E25NE](https://openairdocs.org/tcds/E25NE) (OpenAirDocs)
- Serial number: 19874
- Year built: 1968
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: September 24, 2002
- Last registry action: April 29, 2005
- Mode S code: ACC3B1
- Location: [Guthrie, OK](https://openairdocs.org/faa-place/OK/Guthrie)
- Owner type: Individual
- Owner's area on the map: 35.8679° N, 97.4344° W: Placed by OpenAirDocs at the center of ZIP code 73044, within about 9 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N921UP
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=921UP
- Page: https://openairdocs.org/deregistered/N921UP-2006-08-23

From the FAA registry file of November 3, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Boeing 727-180C: https://openairdocs.org/model/boeing-727-180c.md

## Service difficulty reports (126, newest 50)

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR UPS02239825](https://openairdocs.org/sdr/UPS02239825), Oct 25, 2002: LIGHT. NOT SEATED. INSPECTION TYPE:PFLT EMERGENCY EXIT LIGHTS ABOVE CABIN ENTRY DOOR ARE VERY DIM. CHARGED BATTERY FOR 3 HRS, RESEATED LIGHT ASSY, GROUND CHECK GOOD.
- [SDR UPS02239750](https://openairdocs.org/sdr/UPS02239750), Oct 15, 2002: LIGHT. INOPERATIVE. EMERGENCY EXIT LIGHTS INOPERATIVE. REPLACED CREW ENTRY DOOR EMERGENCY EXIT LIGHT ASSY. OPS CHECK GOOD MM 33-50-01.
- [SDR UPS02238111](https://openairdocs.org/sdr/UPS02238111), Apr 22, 2002: SKIN. CORRODED. INSPECTION TYPE:C CORROSION FOUND AT LAP SKINS BS 479 STRINGER 26R FASTENERS REMOVED IAW SRM51-30-02, UPUPER SKIN CUT OUT BETWEEN BS 47 2-485, NDT NDF, REPAIR P
- [SDR UPS02238094](https://openairdocs.org/sdr/UPS02238094), Apr 22, 2002: SKIN. CRACKED. INSPECTION TYPE:C NR 3 KRUEGER FLAP ANTI ICE SKIN CRACKED 14 INCHES FROM I/B END. INSPECTED IAW NDTM PT 6 51-00-00 FIG 4, REPAIR CARRIED OUT IAW UPS EO B727-575
- [SDR UPS02238102](https://openairdocs.org/sdr/UPS02238102), Apr 20, 2002: SEAT TRACK. CORRODED. INSPECTION TYPE:C CORROSION FOUND ON SEAT TRACK O/B FLANGE AT BS 500 AT R/H O/B SEAT T RACK SEAT TRACK REPAIRED IAW SRM 53-10-5
- [SDR UPS02238112](https://openairdocs.org/sdr/UPS02238112), Apr 18, 2002: DOUBLER. CORRODED. INSPECTION TYPE:C SUSPECT CORROSION BETWEEN FUSELAGE SKIN AND TOILET SERVICE PAN UPPER FLANGE, AFT SERVICE PAN. AREA PAINT STRIPPED, SERVICE PAN DE-RIVETED AND 
- [SDR UPS02238103](https://openairdocs.org/sdr/UPS02238103), Apr 18, 2002: SKIN. CRACKED. INSPECTION TYPE:C SUSPECT CRACK IN FUSELAGE SKIN BS 310 S8 L/H AT FWD ENTRY DOOR FWD D OOR CUT OUT REPAIR CARRIED OUT IAW UPS EO B727-5340-1460
- [SDR UPS01234998](https://openairdocs.org/sdr/UPS01234998), Feb 15, 2001: FITTING. BROKEN. INSPECTION TYPE:IN OXYGEN BOTTLE ATTACHING HARDWARE BROKEN. *S/D* REMOVED AND REPLACED MS FITTING ON BLOWOUT LINE AND UPPER 02 BOTTLE CLAMP. REMOVED AND REPLACE
- [SDR UPS00234545](https://openairdocs.org/sdr/UPS00234545), Dec 13, 2000: SWITCH. INOPERATIVE. INSPECTION TYPE:N/A CO PILOTS EMERG 0XYGEN SWITCH FAILS TO FULLY CLOSE ***SUPPLEMENTAL MRR*** REPLACED CO-PILOTS REGULATION W/SERVICABLE RUGULATION AND REPLACED
- [SDR UPS00234250](https://openairdocs.org/sdr/UPS00234250), Oct 26, 2000: MOTOR. FAILED. INSPECTION TYPE:C, O/B ALT FLAP MOTOR NOT RETRACTING FLAPS. REPLACED MOTOR IAW MM 27-51-141.
- [SDR UPS00234247](https://openairdocs.org/sdr/UPS00234247), Oct 18, 2000: SHEAR TIE. CRACKED. INSPECTION TYPE:C, FLOORBEAM SHEAR TIE CRACKED AT BS 318 AND LBL 4. REPAIR CARRIED OUT IAW SRM 51-40-2.
- [SDR UPS00234246](https://openairdocs.org/sdr/UPS00234246), Oct 18, 2000: SHEAR TIE. CRACKED. INSPECTION TYPE:C, FLOORBEAM SHEAR TIE CRACKED AT BS 312 RBL 24. REPAIR CARRIED OUT IAW SRM 51-40-2.
- [SDR UPS00234257](https://openairdocs.org/sdr/UPS00234257), Oct 16, 2000: FLANGE. CRACKED. INSPECTION TYPE:C, SUSPECT CRACK ON AFT O/B AND FWD FLANGES OF BS 930 FUSELAGE FITTING BETWEEN S18A AND S19 LT. REPAIR CARRIED OUT IAW UPS EO B727-5310-2611 APP
- [SDR UPS00234249](https://openairdocs.org/sdr/UPS00234249), Oct 16, 2000: FITTING. CORRODED. INSPECTION TYPE:C, DUE TO EXCESSIVE CORROSION IN BS 940 LT FITTING FASTENER HOLES, REPLACE FITTING BS 940 LT. REPLACED IAW UPS EO B727-5310-4501 APPENDIX C.
- [SDR UPS00234256](https://openairdocs.org/sdr/UPS00234256), Oct 14, 2000: STIFFENER. CRACKED. INSPECTION TYPE:C, KEEL BEAM AREA, HORIZ STIFFENER AT BS 900 IS CRACKED STIFFENER IS LOCATED ON INTERNAL SIDE OF LT KEEL BEAM WALL. REPAIR CARRIED OUT IAW SRM 5
- [SDR UPS00234255](https://openairdocs.org/sdr/UPS00234255), Oct 14, 2000: STIFFENER. CRACKED. INSPECTION TYPE:C, KEEL BEAM AREA (INTERNAL) HORIZ STIFFENER AT BS 900 APPROX IS CRACK ED AT SITE OF PREVIOUS REPAIR RT KEEL BEAM WALL. REPAIR CARRIED OUT IAW D
- [SDR UPS00234252](https://openairdocs.org/sdr/UPS00234252), Oct 14, 2000: STIFFENER. CRACKED. INSPECTION TYPE:C, KEEL BEAM AREA, HORIZ STIFFENER AT BS 900 IS CRACKED. STIFFENER IS LOCATED ON INTERNAL SIDE OF LT KEEL BEAM WALL. STIFFENER INSTALLED IAW DRG
- [SDR UPS00234251](https://openairdocs.org/sdr/UPS00234251), Oct 14, 2000: STIFFENER. CRACKED. INSPECTION TYPE:C, KEEL BEAM AREA (INTERNAL) HORZ STIFFENER AT BS 900 APPROX IS CRACKED AT SITE OF PREVIOUS REPAIR RT KEEL BEAM WALL. STIFFENER INSTALLED IAW DR
- [SDR UPS00234248](https://openairdocs.org/sdr/UPS00234248), Oct 13, 2000: MOUNT. CORRODED. INSPECTION TYPE:C, ENGINE NR 3 FWD MOUNT PITTING CORROSION FWD IN BOTH I/B MOUNT HOLES. REPAIR CARRIED OUT IAW EO B7274401592.
- [SDR UPS00234244](https://openairdocs.org/sdr/UPS00234244), Oct 13, 2000: MOUNT. CORRODED. INSPECTION TYPE:C, ENG NR 1 FWD MOUNT, PITTING CORROSION FOUND IN FWD BOLT HOLES I/B, O/B. REPAIR CARRIED OUT IAW EOJ NR B727-5440-11592.
- [SDR UPS00234241](https://openairdocs.org/sdr/UPS00234241), Oct 13, 2000: BEAM. CRACKED. INSPECTION TYPE:C, CRACK FOUND AT BS 1183 BULKHEAD VERTICAL BEAM RBL 26.83 AT WL 259.5. REPAIR CARRIED OUT IAW APPENDIX D OF EO B727-5311-0631.
- [SDR UPS00234254](https://openairdocs.org/sdr/UPS00234254), Oct 12, 2000: FLANGE. CORRODED. INSPECTION TYPE:C, EVIDENCE OF CORROSION TO S18A FLANGE (HORIZ) AT BS 870 LT. REPAIR CARRIED OUT IAW SRM 53-10-1 AND 51-30-2 AND SMRO EO 2000-38-003 AND EO B727
- [SDR UPS00234243](https://openairdocs.org/sdr/UPS00234243), Oct 12, 2000: SKIN. CRACKED. INSPECTION TYPE:C, SKIN CRACKS AT BS 203.8 RT AT WL 18 AND WL 20. DAMAGE REPAIRED IAW SRM 53-30-3 FIG 3.
- [SDR UPS00234242](https://openairdocs.org/sdr/UPS00234242), Oct 12, 2000: BRACKET. CRACKED. INSPECTION TYPE:C, ENGINE NR 3 THRUST REV O/B FAIRING MID SUPPORT BRACKET CRACKED. BRACKET REPLACE IAW MM 20-80-01.
- [SDR UPS00234240](https://openairdocs.org/sdr/UPS00234240), Oct 12, 2000: BEAM. CRACKED. INSPECTION TYPE:C, FOUR CRACKS FOUND AT BS 1183 BULKHEAD VERTICAL BEAM LBL 26.83 AT WL 257 AND WL 260. REPAIR CARRIED OUT IAW APPENDIX D OF EO B727-5311-0631AND
- [SDR UPS00234228](https://openairdocs.org/sdr/UPS00234228), Oct 12, 2000: SKIN. CRACKED. INSPECTION TYPE:C, SKIN CRACK AT BS 243.7 WL 19 LT. CRACKED AREA OF SKIN CUT OUT IAW SRM 53-30-3 FIG 3. HFEC C/O IN ALL ACCESSED HOLES AND AROUND PERIFERY OF CU
- [SDR UPS00234229](https://openairdocs.org/sdr/UPS00234229), Oct 11, 2000: STRUCTURE. CORRODED. INSPECTION TYPE:C, BILGE IN SKIN (SUSPECT CORROSION) AT BS 1030 ABOVE STR 18 LT. GILL LINER REMOVED IAW MM 25-52-02. CORROSION ON EXTRUSION FOUND TO BE CORRODED
- [SDR UPS00233068](https://openairdocs.org/sdr/UPS00233068), Jun 23, 2000: FLOOR SUPPORT. CRACKED. INSPECTION TYPE: C CARGO BAY FLOOR SUPPORT LONGTITUDINAL BEAMS CRACKED TWO PLACES, BS 2020, BL 0, BS 1988, LBL 30 FLOOR SUPPORT BEAMS REPAIRED IAW SRM 53-10-07
- [SDR UPS99231117](https://openairdocs.org/sdr/UPS99231117), Nov 8, 1999: LINK. CORRODED. INSPECTION TYPE: AD, RT MLG TRUNNION LINK HAS PITTING CORROSION ON FORWARD BEARING SURFACE. REPLACED TRUNNION LINK ASSEMBLY. INSTALLED IAW MM 32-11-01.
- [SDR UPS99231116](https://openairdocs.org/sdr/UPS99231116), Nov 8, 1999: SUPPORT. CORRODED. INSPECTION TYPE: AD, RT SUPPORT ASSEMBLY INBOARD FLAP TRACK FORWARD CORRODED. SUPPORT ASSEMBLY REPLACED IAW BOEING DRAWING NR 65 19297, SHEET 3, REV E.
- [SDR UPS99231120](https://openairdocs.org/sdr/UPS99231120), Nov 5, 1999: FITTING. LEAKING. INSPECTION TYPE:AD, FUEL LEAK AT RT WING BEHIND LANDING GEAR TRUNNION FITTING, ONLY STAINS. THIS MRR RESUBMITTED TO INCLUDE TRUNNION FITTING, FUEL LEAK REPAIRED
- [SDR UPS99231119](https://openairdocs.org/sdr/UPS99231119), Nov 5, 1999: FITTING. LEAKING. INSPECTION TYPE:AD FUEL LEAK AT LT WING BEHIND LANDING GEAR TRUNNION FITTING. THIS MRR RESUBMIT TO INCLUDE TRUNNION FUEL LEAK. REPAIRED IAW SMRO EO 99-35-01 TRU
- [SDR UPS99229625](https://openairdocs.org/sdr/UPS99229625), May 10, 1999: ANGLE. CORRODED. INSPECTION TYPE:C, CORROSION ON 'T' ANGLE ON FAIRING UNDER AIR CONDITIONING EQUIPMENT AT BS 700. REPAIRES IAW SRM 51-40-2 FIG 1.
- [SDR UPS99229646](https://openairdocs.org/sdr/UPS99229646), May 8, 1999: STRINGER. CRACKED. INSPECTION TYPE:C, DURING ACCOMPLISHMENT OF RT 870 PARTIAL REPLACEMENT CRACK DISCOVERED AT FASTENER HOLE, LWR TANG, STR 13 AFT OF FITTING FLANGE. RT 870 FITTING
- [SDR UPS99229626](https://openairdocs.org/sdr/UPS99229626), May 7, 1999: HINGE. CRACKED. INSPECTION TYPE:C, RIGHT O/B AILERON HINGE CASTING CRACKED AT WS 68605 APPROX (I/B CASTING I/B BALANCE BAY). REPLACED CASTING IAW DRG 65-19260.
- [SDR UPS99229627](https://openairdocs.org/sdr/UPS99229627), May 6, 1999: FRAME. CRACKED. INSPECTION TYPE:C, FRAME CRACKED SECOND FROM AFT AT MID TRACK ATTACH POINT ON AFT CARGO DOOR MOVABLE FAIRING. FRAME REPAIRED IAW SRM 51-40-3 FIG 1.
- [SDR UPS99229651](https://openairdocs.org/sdr/UPS99229651), May 5, 1999: SKIN. LOOSE. INSPECTION TYPE:C, VERTICAL STAB LT SIDE, SKIN LOOSE ADJACENT FASTENERS STR 57 AREA BELOW STAB GEARBOX FWD CUTOUT. REPAIR CARRIED OUT IAW SRM 55-30-5 FIG 4.
- [SDR UPS99229649](https://openairdocs.org/sdr/UPS99229649), May 5, 1999: SKIN. DELAMINATED. INSPECTION TYPE:C, UPPER RUDDER TAB RT SIDE HAS EVIDENCE OF DELAMINATION T/E AREA, AFT OF CENTER HINGE FITTINGS. REPAIRED IAW SRM 51-40-10 FIG 1.
- [SDR UPS99229648](https://openairdocs.org/sdr/UPS99229648), May 5, 1999: HINGE. CORRODED. INSPECTION TYPE:C, RIGHT O/B AILERON TAB HINGES CORRODED. RIGHT O/B AILERON TAB HINGES REMOVED AND REPLACED IAW MM 27-10-41.
- [SDR UPS99229647](https://openairdocs.org/sdr/UPS99229647), May 5, 1999: CASTING. CORRODED. INSPECTION TYPE:C, RIGHT O/B AILERON TAB ROD HINGE CASTING CORRODED. HINGE CASTINGS REMOVED AND REPLACED IAW MM 27-10-41.
- [SDR UPS99229628](https://openairdocs.org/sdr/UPS99229628), May 5, 1999: HINGE. CORRODED. INSPECTION TYPE:C, RIGHT I/B AILERON CENTER HINGE FITTING CORRODED. REPLACED HINGE FITTING IAW MM 27-10-01.
- [SDR UPS99229645](https://openairdocs.org/sdr/UPS99229645), Apr 30, 1999: BRACKET. CRACKED. INSPECTION TYPE:C, ENG NR 3 THRUST REV O/B FAIRING MID SUPPORT BRACKET CRACKED. REPLACED BRACKET IAW SRM 51-30-02 AND MM 78-30-00.
- [SDR UPS99229650](https://openairdocs.org/sdr/UPS99229650), Apr 29, 1999: BRACKET. CRACKED. INSPECTION TYPE:C, ON INSPECTION OF THE FWD CARGO BAY CEILING, CARGO DOOR UPLOCK RETAINING BRACKET FOUND CRACKED. REPLACED BRACKET IAW SRM 51-20-1 FIG 3.
- [SDR UPS99229652](https://openairdocs.org/sdr/UPS99229652), Apr 28, 1999: BRACKET. CRACKED. INSPECTION TYPE:C, ENG NR 1 THRUST REV O/B FAIRING MID SUPPORT BRACKET CRACKED. REPLACED BRACKET IAW SRM 51-30-02 AND MM 78-30-00.
- [SDR UPS99229643](https://openairdocs.org/sdr/UPS99229643), Apr 28, 1999: BRACKET. CRACKED. INSPECTION TYPE:C, SUSPECT CRACK ON LT ELEVATOR REAR SPAR ON BRACKET AT TAB ROD CUTOUT. CRACKED BRACKET REPLACED IAW DRAWING 65-25635.
- [SDR UPS99229642](https://openairdocs.org/sdr/UPS99229642), Apr 28, 1999: FRAME. DAMAGED. INSPECTION TYPE:C, MECHANICAL DAMAGE FOUND ON FIRST FASTENER HOLE BELOW FLOOR AT BS 825 .95 RT. AFTER CLEAN UP THIS HOLE IS OUTSIDE LIMITS PER EO B727-5310-5 47
- [SDR UPS99229624](https://openairdocs.org/sdr/UPS99229624), Apr 28, 1999: SEAT TRACK. CORRODED. INSPECTION TYPE:C, TO FACILITATE REPAIR OF FRAME 783.95 LT, SEAT TRACK MUST BE REMOVED. ON REMOVAL, SEAT TRACK WAS FOUND TO BE CORRODED AT BS 770 LBL 62.5. NEW 
- [SDR UPS99229623](https://openairdocs.org/sdr/UPS99229623), Apr 28, 1999: FRAME. DAMAGED. INSPECTION TYPE:C, MECHANICAL DAMAGE ON SECOND FASTENER HOLE ABOVE FLOOR AT BS 848.95 LT. ON CLEAN UP, HOLE WAS OUTSIDE LIMITS PER PAGE 9 OF EO B727-5310 -5474.
- [SDR UPS99229621](https://openairdocs.org/sdr/UPS99229621), Apr 28, 1999: FRAME. DAMAGED. INSPECTION TYPE:C, MECHANICAL DAMAGE FOUND ON SECOND FASTENER HOLE ABOVE FLOOR AT BS 783.95 LT. AFTER CLEAN UP, HOLE WAS OUTSIDE LIMITS PER EO B727-5310- 5474 P
- [SDR UPS99229644](https://openairdocs.org/sdr/UPS99229644), Apr 26, 1999: BULKHEAD. CRACKED. INSPECTION TYPE:C, CRACK ON RT KEEL BEAM BULK HEAD BS 930 WL 158. REPAIRED IAW SRM 51-40-2.

All 126: https://openairdocs.org/deregistered/N921UP-2006-08-23/reports.md

## FAA accident and incident reports (2)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 19900409014359I](https://openairdocs.org/incident/19900409014359I), Apr 9, 1990: Boeing 727180C (N921UP), Des Moines, IA. Gear indication light inoperative. Landed safely. Found 2 downlock target wires broken.
- [Incident 19841211070699I](https://openairdocs.org/incident/19841211070699I), Dec 11, 1984: Boeing 727180C (N921UP), Chicago, IL. Aileron control difficulty after descent from cruise temperature. Suspect moisture in aileron control network.

## Other aircraft with N921UP

- [Registered now](https://openairdocs.org/aircraft/N921UP): Boeing 767-300F, S/N 68367, built 2026

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