# N923UP: 1967 Boeing 727-31C, registration cancelled 2006-08-23

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 23, 2006
- Status when cancelled: Sale reported
- Airframe: [Boeing 727-31C](https://openairdocs.org/model/boeing-727-31c) (registry code 1384011)
- Engine: [Rolls-Royce TAY-651-54](https://openairdocs.org/engine/rolls-royce-tay-651-54) (registry code 54564)
- Data sheets: [TCDS E25NE](https://openairdocs.org/tcds/E25NE) (OpenAirDocs)
- Serial number: 19229
- Year built: 1967
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: December 12, 2002
- Last registry action: February 8, 2005
- Mode S code: ACCB1F
- 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/N923UP
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=923UP
- Page: https://openairdocs.org/deregistered/N923UP-2006-08-23

From the FAA registry file of October 31, 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 727-31C: https://openairdocs.org/model/boeing-727-31c.md

## Service difficulty reports (60, newest 50)

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

- [SDR UPS02237937](https://openairdocs.org/sdr/UPS02237937), Mar 22, 2002: SKIN. CRACKED. INSPECTION TYPE:C NR 4 L/E FLAP ANTI-ICE SKIN ON PANEL O/B OF ACTUATOR ATTACH POINT CRACKED ON LWR O/B RIVET. REPAIR CARRIED OUT AS REQUIRED IAW UPS EO B727-575
- [SDR UPS02237955](https://openairdocs.org/sdr/UPS02237955), Mar 21, 2002: HINGE FITTING. CORRODED. INSPECTION TYPE:C PITTING CORROSION ON I/B UPPER FLANGE OF #5 LE FLAP CENTER HINGE SUP PORT FITTING NEW HINGE FITTING KIT INSTALLED IAW SRM 51-30-02
- [SDR UPS02237954](https://openairdocs.org/sdr/UPS02237954), Mar 21, 2002: HINGE FITTING. CORRODED. INSPECTION TYPE:C PITTING CORROSION ON I/B UPPER FLANGE OF #5 LE FLAP CENTER HINGE SUP PORT FITTING NEW HINGE FITTING KIT INSTALLED IAW SRM 51-30-02
- [SDR UPS02237952](https://openairdocs.org/sdr/UPS02237952), Mar 21, 2002: MOUNT. CORRODED. INSPECTION TYPE:C NR 1 PYLON, FWD CRANE BEAM, CORROSION IN BORE OF BOTH LARGE HOLES AT FWD ENGINE MOUNT ATTACH POINT. REPAIR OF NR 1 ENG MOUNT FITTING ASSY ACCO
- [SDR UPS02237947](https://openairdocs.org/sdr/UPS02237947), Mar 21, 2002: MOUNT. CORRODED. INSPECTION TYPE:C NR 1 PYLON FWD CRANE BEAM, CORROSION IN BORE OF BOTH LARGE HOLES AT FWD ENGINE MOUNT ATTACH POINT. REPAIR OF NR 1 ENG MOUNT FITTING ASSY ACCOM
- [SDR UPS02237938](https://openairdocs.org/sdr/UPS02237938), Mar 21, 2002: SKIN. CRACKED. INSPECTION TYPE:C TWO CRACKS IN SECTION 41 R/H SKIN AT BS 243.7 AT WL 215.5 & WL 223.5 AREA REPAIRED IAW SRM 53-30-3 FIG. 3
- [SDR UPS02237953](https://openairdocs.org/sdr/UPS02237953), Mar 20, 2002: STOP FITTING. CRACKED. INSPECTION TYPE:C TWO SUSPECT CRACKS ON LWR AFT ADJUSTABLE STOP FITTING ON FWD ENTRY D OOR DOOR STOP REPLACED IAW SMRO EO 2002-009-002 UPS ENGINEERING FILE NO B
- [SDR UPS02237949](https://openairdocs.org/sdr/UPS02237949), Mar 20, 2002: PRESSURE PANEL. LEAKING. INSPECTION TYPE:C AIR LEAK FROM LT PRESSURE WEB IN NWW AT BS 290. REPAIRED IAW SRM 51-40-02 FIG 1.
- [SDR UPS02237948](https://openairdocs.org/sdr/UPS02237948), Mar 19, 2002: WEB. CRACKED. INSPECTION TYPE:C LH PRESSURE WEB CRACKED IN NWW @ BS 267 REPAIRED IAW SRM 51-40-02 FIG 1
- [SDR UPS02237941](https://openairdocs.org/sdr/UPS02237941), Mar 19, 2002: WEB. CRACKED. INSPECTION TYPE:C TORQUE BOX WEB IN AFT AIRSTAIRS AREA HAS A CRACK AT THE LIGHTENING HOLE, RT SIDE AT BS 1283. CRACK TRIMMED OUT IAW SRM 51-40-2 REPAIR CARRIED 
- [SDR UPS02237940](https://openairdocs.org/sdr/UPS02237940), Mar 19, 2002: WEB. CRACKED. INSPECTION TYPE:C TORQUE BOX WEB IN AFT AIRSTAIRS AREA HAS A CRACK ON A LIGHTENING HOLE LT SIDE AT BS 1263. CRACK TRIMMED OUT IAW SRM 51-40-2. REPAIR CARRIED OU
- [SDR UPS02237936](https://openairdocs.org/sdr/UPS02237936), Mar 19, 2002: WINDOW POST. CRACKED. INSPECTION TYPE:C SUSPECT CRACKS ON COCKPIT LT F/N WINDOW POST AT POINT F (2 OFF). F/N WINDOW POST REPAIRED IAW EO B727-5310-0012 & SMRO EO 2002-009-00 1.
- [SDR UPS00233742](https://openairdocs.org/sdr/UPS00233742), Sep 6, 2000: FITTING. CRACKED. INSPECTION TYPE:C, LT WING DOOR (MLG) AFT HINGE FITTING ON NR 4 FLAP TRACK CRACKED. HINGE FITTING REMOVED IAW MM 20-80-01. FITTING REPLACED IAW MM 20-80- 01.
- [SDR UPS00232281](https://openairdocs.org/sdr/UPS00232281), Apr 15, 2000: SKIN. CRACKED. INSPECTION TYPE:AD SKIN CORROSION AND CRACKS BETWEEN S-5L AND S-6L, BETWEEN BS 1178 AND 1180. REPAIR CARRIED OUT IAW SRM 53-30-3 FIGURE 26.
- [SDR UPS99228960](https://openairdocs.org/sdr/UPS99228960), Feb 23, 1999: FLAP TRACK. CORRODED. INSPECTION TYPE-D ON REMOVAL OF RT O/B FLAP I/B TRACKS, SURFACE CORROSION FOUND ON I/B FACES OF BOTH TRACK ATTACH LUGS. NR 7 FLAP TRACK WING SUPPORT LUG REWORKE
- [SDR UPS99228959](https://openairdocs.org/sdr/UPS99228959), Feb 23, 1999: FLAP TRACK. CORRODED. INSPECTION TYPE-D, CORROSION (SURFACE) ON RT O/B FLAP TRACK O/B MOUNT LUG. REWORKED IAW SMRO EO 99-05-008 REF UPS ENGINEERING FILE NUMBER 727-5 7-2039.
- [SDR UPS99228984](https://openairdocs.org/sdr/UPS99228984), Feb 19, 1999: CARRIAGE. CORRODED. INSPECTION TYPE-D, NR 6 FLAP CARRIAGE HAS CORROSION INSIDE SPINDLE. CARRIAGE REPLACED IAW OHM 57-52-01 AND MM 27-51-03.
- [SDR UPS99228964](https://openairdocs.org/sdr/UPS99228964), Feb 19, 1999: CARRIAGE. CORRODED. INSPECTION TYPE-C, NR 8 FLAP CARRIAGE HAS CORROSION INSIDE SPINDLE BORE. CARRIAGE ASSY REPLACED IAW MM 27-51-13 AND OHM 57-58-01.
- [SDR UPS99228963](https://openairdocs.org/sdr/UPS99228963), Feb 19, 1999: CARRIAGE. CORRODED. INSPECTION TYPE-D, NR 1 FLAP CARRIAGE HAS CORROSION INSIDE SPINDLE BORE. CARRIAGE REPLACED IAW MM 27-51-13 AND OHM 57-58-01.
- [SDR UPS99228962](https://openairdocs.org/sdr/UPS99228962), Feb 19, 1999: CARRIAGE. CORRODED. INSPECTION TYPE-D, NR 2 FLAP CARRIAGE HAS CORROSION INSIDE SPINDLE BORE. NR 2 FLAP CARRIAGE REPLACED IAW MM 27-51-13 AND OHM 57-57-01.
- [SDR UPS99228961](https://openairdocs.org/sdr/UPS99228961), Feb 19, 1999: FRAME. CRACKED. INSPECTION TYPE-D, CRACK ON FRAME AT BS 910 LT MLG WHEEL WELL BELOW STRINGER 18A. REPAIRED IAW EO B727-5310-1896.
- [SDR UPS99228967](https://openairdocs.org/sdr/UPS99228967), Feb 18, 1999: CASTING. CORRODED. INSPECTION TYPE-D, LT I/B AILERON I/B HINGE CASTING CORRODED. CASTING REPLACED IAW DWG 65-21765 AND SRM 51-30-02.
- [SDR UPS99228966](https://openairdocs.org/sdr/UPS99228966), Feb 18, 1999: SUPPORT. CORRODED. INSPECTION TYPE-D, LT I/B AILERON CENTRE HINGE SUPPORT CORRODED. CENTER HINGE SUPPORT REPLACED IAW MM 27-10-01.
- [SDR UPS99228965](https://openairdocs.org/sdr/UPS99228965), Feb 18, 1999: CASTING. CORRODED. INSPECTION TYPE-D, RT I/B AILERON ACTUATING ROD ATTACH CASTING HAS SEVERAL AREAS OF PITTING CORROSION. CASTING REPLACED IAW DRAWING 65-21765 AND SRM 51-30-02.
- [SDR UPS99228789](https://openairdocs.org/sdr/UPS99228789), Feb 17, 1999: SKIN. GOUGED. INSPECTION TYPE-D, SMALL GOUGE IN SKIN BS 960 S3 RT. REPAIRED IAW SRM 53-30-3 FIG 3.
- [SDR UPS99228776](https://openairdocs.org/sdr/UPS99228776), Feb 17, 1999: SKIN. DENTED. INSPECTION TYPE-D, DENT IN FUSELAGE SKIN BS 269 BETWEEN S2L AND S3L. REPAIRED AREA IAW SRM 53-30-03 FIG 1.
- [SDR UPS99228987](https://openairdocs.org/sdr/UPS99228987), Feb 16, 1999: BRACKET. CRACKED. INSPECTION TYPE-D, NR 5 FLAP TRACK ANGLE SUPPORT BRACKET CRACKED AT FWD RT SIDE. BRACKET FABRICATED FROM EXTRUSION AND REPLACED IAW SRM 51-40-4.
- [SDR UPS99228985](https://openairdocs.org/sdr/UPS99228985), Feb 16, 1999: BRACKET. CRACKED. INSPECTION TYPE-D, CRACK ON ANGLE BRACKET ATTACHED TO FLAP TRACK FWD O/B SIDE. FABRICATED ANGLE IAW SRM 51-40-04.
- [SDR UPS99228778](https://openairdocs.org/sdr/UPS99228778), Feb 16, 1999: WEB. CRACKED. INSPECTION TYPE-D, CRACKS ON LT MLG WHEEL WELL PRESSURE WEB AT BS 940 FWD SIDE. REPAIRED IAW EO B727-5310-0460 APPENDIX C.
- [SDR UPS99228975](https://openairdocs.org/sdr/UPS99228975), Feb 15, 1999: WEB. CORRODED. INSPECTION TYPE-D, TAIL SKID RECESS, WEB CORRODED AT AFT OF BS 1183 BULKHEAD. WEB REMOVED PER SRM 51-30-02, FABRICATED IAW SRM 53-10-02 FIG 6 AND INSTALLED IAW 
- [SDR UPS99228968](https://openairdocs.org/sdr/UPS99228968), Feb 15, 1999: SUPPORT. CRACKED. INSPECTION TYPE-D, FLOOR BOARD SUPPORT CRACKED BS 850 RBL 45.5. FLOORBOARD SUPPORT REPAIRED IAW SRM 51-40-3.
- [SDR UPS99228780](https://openairdocs.org/sdr/UPS99228780), Feb 15, 1999: ANGLE. CRACKED. INSPECTION TYPE-D, CRACK ON ANGLE BS 178 STR 17L APPROX. REPAIRED IAW SRM 51-40-3 FIG 1.
- [SDR UPS99228779](https://openairdocs.org/sdr/UPS99228779), Feb 15, 1999: ANGLE. CRACKED. INSPECTION TYPE-D, CRACK ON ANGLE BS 178, STR 17R APPROX. REPAIRED IAW SRM 51-40-03 FIG 1.
- [SDR UPS99228781](https://openairdocs.org/sdr/UPS99228781), Feb 12, 1999: TIE. CRACKED. INSPECTION TYPE-D, STRINGER TO FRAME TIE (TUNING FORK) CRACKED AT BS 740 AFT SIDE STR 7L MAIN CARGO DECK. STRINGER TO FRAME END TIE REPLACED IAW SRM 51-30-2.
- [SDR UPS99228775](https://openairdocs.org/sdr/UPS99228775), Feb 12, 1999: SKIN. DENTED. INSPECTION TYPE-D, DENT IN SKIN BS 285 BETWEEN S18L AND S17L. REPAIRED IAW SRM 53-30-3 FIG 1.
- [SDR UPS99228774](https://openairdocs.org/sdr/UPS99228774), Feb 12, 1999: FLOORBEAM. CORRODED. INSPECTION TYPE-D, LIGHT CORROSION ON FLOORBEAM LOWER FLANGE BS 680 RBL 25 APPROX. REPAIRED IAW SRM 51-10-02 AND 51-20-151.
- [SDR UPS99228986](https://openairdocs.org/sdr/UPS99228986), Feb 11, 1999: HINGE. CORRODED. INSPECTION TYPE-D, NR 1 LE FLAP MIDDLE MOUNTING CASTING HINGE CORRODED. REPLACED CASTING HINGE IAW DRAWING NR 65-18533.
- [SDR UPS99228784](https://openairdocs.org/sdr/UPS99228784), Feb 11, 1999: RIB. CRACKED. INSPECTION TYPE-D, SUSPECT CRACK RT HORIZ STAB T-EDGE RIB REPAIR ELEVATOR STA 50-5 AND REPAIRED AREA NOT STOP DRILLED. RIB REMOVED AND REPLACED IAW BOEING DRAWI
- [SDR UPS99228788](https://openairdocs.org/sdr/UPS99228788), Feb 10, 1999: WEB. CRACKED. INSPECTION TYPE-D, SUSPECT CRACK IN WEB IN FWD CARGO INTERNAL STRUCTURE AFT OF NR 2 FWD DOOR STOP FITTING. WEB REPLACED IAW DRAWING NR 65-18620.
- [SDR UPS99228787](https://openairdocs.org/sdr/UPS99228787), Feb 10, 1999: TIE. CRACKED. INSPECTION TYPE-D, STRINGER TO FRAME TIE (TUNING FORK) CRACKED AT BS 740 S5L MAIN CARGO DECK. STRINGER TO FRAME END TIE REPLACED IAW SRM 51-30-2.
- [SDR UPS99228969](https://openairdocs.org/sdr/UPS99228969), Feb 9, 1999: SUPPORT. CRACKED. INSPECTION TYPE-D, NR 8 SPOILER I/B HINGE CASTING CRACKED. CASTING REPLACED IAW SRM 51-30-2 AND DRAWING 65-16216.
- [SDR UPS99228958](https://openairdocs.org/sdr/UPS99228958), Feb 11, 1998: STRUCTURE. CRACKED. INSPECTION TYPE-D, A NUMBER OF CRACKS FOUND ON AFT CARGO DOOR STRUCTURE. DOOR REPLACED IAW MM 52-31-00.
- [SDR UPS97224002](https://openairdocs.org/sdr/UPS97224002), Aug 5, 1997: FRAME. DAMAGED. INSPECTION TYPE-C, FRAME AT BS 848.95 RT HAS DAMAGE TO FASTENER HOLE, SECOND FASTENER HOLE ABOVE FLOOR LINE. REPAIR CARRIED OUT IAW SRS EO 97-17-009, UPS APPROV
- [SDR UPS97223994](https://openairdocs.org/sdr/UPS97223994), Aug 1, 1997: PRESSURE FLOOR. CRACKED. INSPECTION TYPE-C, 2 CRACKS IN MLG PRESS FLOOR LT WHEEL WELL BS 920 TO 930 LBL 0 TO 17. REPAIR CARRIED OUT IAW EO B727-5310-0088.
- [SDR UPS97224006](https://openairdocs.org/sdr/UPS97224006), Jul 29, 1997: FRAME. DAMAGED. INSPECTION TYPE-C, FRAME AT BS 825.95 RT HAS DAMAGE TO FASTENER HOLE ABOVE FLOOR LINE, SECOND FASTENER HOLE ABOVE FLOOR LINE. REPAIR CARRIED OUT PER SRS EO 97-1
- [SDR UPS97224003](https://openairdocs.org/sdr/UPS97224003), Jul 28, 1997: ENGINE MOUNT. CORRODED. INSPECTION TYPE-C, PITTING CORROSION IN FWD OUTBOARD BOLT HOLE ON NUMBER 1 ENGINE FWD MOUNT FITTING. REPAIR CARRIED OUT PER SRS EO 97-17-001 AND 97-17-003, UPS 
- [SDR UPS97223975](https://openairdocs.org/sdr/UPS97223975), Jul 28, 1997: ANGLE. CRACKED. INSPECTION TYPE:C, BS 950 RT FITTING LWR INBOARD HORIZONTAL SUPPORT ANGLE FOUND CRACKED. SUPPORT ANGLE REPLACED IAW SRM 51-30-2 AND DWG NR 65C18332.
- [SDR UPS97223995](https://openairdocs.org/sdr/UPS97223995), Jul 27, 1997: FITTING. CRACKED. INSPECTION TYPE:C, INBOARD SPOILER SUPPORT ATTACH FITTING FOR NR 6 FLAP TRACK CRACKED. FITTING REPLACED IAW SRM 51-30-2.
- [SDR UPS97224001](https://openairdocs.org/sdr/UPS97224001), Jul 25, 1997: STR VENT TAB. CRACKED. INSPECTION TYPE-C, RT WS 629.0 STR 14 VENT FWD TAB IS CRACKED. ALSO, STR 13 IS CRACKED. CRACKS IN TABS AT STR 14 AND STR 13 STOP DRILLED IAW EO B727-5710-0 314 
- [SDR UPS97223976](https://openairdocs.org/sdr/UPS97223976), Jul 23, 1997: SKIN. CRACKED. INSPECTION TYPE:C, LT WING GEAR DOOR SKIN AT AFT HINGE AREA CRACKED. REPAIRED IAW EO B727-5280-4505-A.

All 60: https://openairdocs.org/deregistered/N923UP-2006-08-23/reports.md

## FAA accident and incident reports (1)

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 19910930050799I](https://openairdocs.org/incident/19910930050799I), Sep 30, 1991: Boeing 72731C (N923UP), Toluca, Mexico, Minor damage. Aircraft not aligned with center of runway. Elected to go around. Banked and wing tip hit ground. Landed safely.

## Other aircraft with N923UP

- [Registered now](https://openairdocs.org/aircraft/N923UP): Boeing 767-300F, S/N 68369, built 2026

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