# N931UP: 1968 Boeing 727-25C, registration cancelled 2006-08-23

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 23, 2006
- Status when cancelled: Sale reported
- Airframe: [Boeing 727-25C](https://openairdocs.org/model/boeing-727-25c) (registry code 138400H)
- Engine: [Pratt & Whitney JT8D-1](https://openairdocs.org/engine/pratt-whitney-jt8d-1) (registry code 52044)
- Data sheets: [TCDS E2EA](https://openairdocs.org/tcds/E2EA) (OpenAirDocs)
- Serial number: 19858
- Year built: 1968
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-jet
- Airworthiness: Standard, transport
- Airworthiness date: October 17, 1968
- Last registry action: April 29, 2005
- Mode S code: ACEB30
- 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/N931UP
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=931UP
- Page: https://openairdocs.org/deregistered/N931UP-2006-08-23

From the FAA registry file of October 29, 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 727-25C: https://openairdocs.org/model/boeing-727-25c.md

## Service difficulty reports (131, newest 50)

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

- [SDR UPS01237368](https://openairdocs.org/sdr/UPS01237368), Dec 7, 2001: LIGHT. INOPERATIVE. INSPECTION TYPE:PFLT EMERGENCY EXIT LIGHT IN COCKPIT INOP HGT SPARE PREFLIGHT. EMERGENCY EXIT LIGHT IN COCKPIT CHARGED AND OPERATIONAL PER 33-50, OPS CHECK GOOD
- [SDR UPS01236098](https://openairdocs.org/sdr/UPS01236098), Jun 14, 2001: FIRE LOOP. CONTAMINATED. INSPECTION TYPE:N/A WHEEL WELL FIRE LIGHT AND BELL CAME ON ON APPROACH AT APPROX 3000 FT MSL WHEN GEAR EXTENDED, LIGHT EXTINGUISHED. NO APPARENT DAMAGE OR PROBL
- [SDR UPS01235893](https://openairdocs.org/sdr/UPS01235893), May 15, 2001: DOOR SEAL. TORN. INSPECTION TYPE:N/A PILOT REPORT-AT 5000 FT LOST CABIN PRESSURIZATION REPAIRED MAIN ENTRY DOOR SEAL
- [SDR UPS01235292](https://openairdocs.org/sdr/UPS01235292), Mar 16, 2001: CONTACTOR. CORRODED. INSPECTION TYPE:PFLT PRE FLT - EMER EXIT LIGHT FWD ENTRY W/N STAY ILLUM. REMOVED LIGHT ASSY AFTER INSPECTION FOUND BATTERY CONTACTS TO HAVE LIGHT CORROSION. CLE
- [SDR UPS01234577](https://openairdocs.org/sdr/UPS01234577), Jan 1, 2001: BULB. MALFUNCTIONED. INSPECTION TYPE:N/A COCKPIT DOOR EMERGENCY EXIT LIGHT HAS ONE DIM BULB RELAMPED EMER. LIGHT OVER FLIGHT DECK ENTRY DOOR, OPS CHECK GOOD
- [SDR UPS00233533](https://openairdocs.org/sdr/UPS00233533), Jul 26, 2000: STRINGER. CORRODED. INSPECTION TYPE:C, STRINGER END 22L CORRODED BETWEEN BS 348.2 AND BS 360. INSTALLED NEW STRINGER SECTION, (P/N 65-18420-269) AND TIE FITTING (P/N 65-29876-7), I
- [SDR UPS00233531](https://openairdocs.org/sdr/UPS00233531), Jul 25, 2000: SEAT TRACK. BROKEN. INSPECTION TYPE:C, AFT CARGO COMPARTMENT SEAT TRACK TONGUE BROKEN BETWEEN BS 1148 AND BS 1166 NEAR STRINGER 28 LEFT. REPLACED SECTION OF SEAT TRACK FROM STA 106
- [SDR UPS00233529](https://openairdocs.org/sdr/UPS00233529), Jul 19, 2000: SEAT TRACK. BROKEN. INSPECTION TYPE:C, FUSELAGE STATION 541, LBL 62.75, CARGO TRACK HAS 1 BROKEN TONGUE. REPLACED SECTION OF SEAT TRACK FROM BS 445 - 550, LBL 62.75 IAW SRM 53-10-5
- [SDR UPS00233528](https://openairdocs.org/sdr/UPS00233528), Jul 19, 2000: SEAT TRACK. BROKEN. INSPECTION TYPE:C, FUSELAGE STATION 517, RBL 0.5 SEAT TRACK IS BROKEN (BROKEN TONGUE). REPLACED SECTION OF SEAT TRACK FROM STA 490 TO STA 550, RBL 0.5, MATERIAL
- [SDR UPS00233527](https://openairdocs.org/sdr/UPS00233527), Jul 19, 2000: SEAT TRACK. DEFORMED. INSPECTION TYPE:C, FUSELAGE STATION 940, RBL 45.5, SEAT TRACK HAS 1 ELONGATED HOLE, DEFORMED TONGUE. REPLACED SECTION OF SEAT TRACK FROM BS 870 - BS 1000. MATER
- [SDR UPS00233366](https://openairdocs.org/sdr/UPS00233366), Jul 14, 2000: DRAG BRACE. INOPERATIVE. INSPECTION TYPE:N/A, NOSE GEAR DID NOT EXTEND ON INITIAL TRY. FERRY PERMIT (9137) ISSUED AND SENT TO PRF, DURING INSP MX FOUND DURING GEAR EXTENSION, NOSE GEAR 
- [SDR UPS99228757](https://openairdocs.org/sdr/UPS99228757), Feb 21, 1999: FITTING. CORRODED. INSPECTION TYPE-C, NR 4 FLAP TRACK FORWARD MOUNT FITTING HAS CORROSION IN MOUNT HOLE BORES. NR 4 FLAP TRACK FITTING WAS REPLACED IAW OHM 20-50-01 PG 1 PARA 2 AN
- [SDR UPS99228743](https://openairdocs.org/sdr/UPS99228743), Feb 16, 1999: STRINGER. CRACKED. INSPECTION TYPE:C WHILE WORKING (EO B727-5310-5474) DISCOVERED CRACK IN STRINGER 17 LT BS 850 BL 70.5 WL 208. INSTALLED RADIUS FILLERS BS 848-TO BS 856 AND FABR
- [SDR UPS99228756](https://openairdocs.org/sdr/UPS99228756), Feb 9, 1999: FITTING. CRACKED. INSPECTION TYPE-C, LT MLG FWD TRUNNION AFT SPAR SUPPORT CRACKED. REMOVED CRACKED FITTING AND INSTALLED NEW FITTING PER SRM 51-30-1, AND DWG 65-19297.
- [SDR UPS99228758](https://openairdocs.org/sdr/UPS99228758), Feb 8, 1999: TRUNNION. CRACKED. INSPECTION TYPE-C, LT MLG FORWARD TRUNNION FITTING CRACKED. REMOVED AND REPLACED LT MLG FORWARD TRUNNION FITTING IAW MM 32-11-51.
- [SDR UPS99228755](https://openairdocs.org/sdr/UPS99228755), Feb 8, 1999: TRUNNION. CRACKED. INSPECTION TYPE-C, LT MLG FORWARD TRUNNION FITTING CRACKED. REMOVED AND REPLACED LT MLG FORWARD TRUNNION FITTING IAW MM 32-11-51.
- [SDR UPS99228718](https://openairdocs.org/sdr/UPS99228718), Feb 8, 1999: FITTING. CORRODED. INSPECTION TYPE:C, TORQUE TUBE SUPPORT FITTING JUST O/B OF MAIN LANDING GEAR BEAM CORRODED AT INBD AND OTBD LOWER FASTENERS HOLES. REMOVED AND REPLACED L/WING O
- [SDR UPS98227907](https://openairdocs.org/sdr/UPS98227907), Oct 15, 1998: LIGHT. INOPERATIVE. INSPECTION TYPE-N/A, EMERGENCY EXIT LIGHT IN COCKPIT INTERMITTENTLY FLASHES ON AND OFF WITH SWITCH IN ARM POSITION. REMOVED AND REPLACED EMERGENCY EXIT LIGHT AS
- [SDR UPS98227251](https://openairdocs.org/sdr/UPS98227251), Jul 28, 1998: BATTERY. DISCHARGED. ENTRY DOOR EMER EXIT LIGHT INOP. REMOVED AND REPLACED BATTERY PACK. OP'S CHK'S GOOD.
- [SDR UPS98226342](https://openairdocs.org/sdr/UPS98226342), Apr 9, 1998: LIGHT. INOPERATIVE. FOWARD ENTRY DOOR EMERGENCY EXIT LIGHT ASSY OPS IS INTERMINT AND BACK COVER IS MISSING. REMOVED AND REPLACED FWD ENTRY DOOR EMERG EXIT LIGHT ASSY PER M/M 33-50-
- [SDR UPS98226339](https://openairdocs.org/sdr/UPS98226339), Apr 8, 1998: LIGHT. INOPERATIVE. INSPECTION, FORWARD ENTRY DOOR EMERGENCY EXIT LIGHT ASSY OPERATION IS INTERMITTENT AND BACK COVER IS MISSING. REMOVED AND REPLACED FWD ENTRY DOOR EMERGENCY EXIT
- [SDR UPS98225395](https://openairdocs.org/sdr/UPS98225395), Jan 8, 1998: LIGHT. MALFUNCTIONED. INSPECTION TYPE-N/A, COCKPIT EXIT LIGHT CAME ON AFTER LANDING WITH SWITCH IN OFF. SECURED COCKPIT EMER EXIT LIGHT, OPERATION OK.
- [SDR UPS97224566](https://openairdocs.org/sdr/UPS97224566), Oct 1, 1997: LIGHT. MALFUNCTIONED. INSPECTION TYPE-N/A, EMERGENCY EXIT LIGHT OVER COCKPIT DOOR ON WITH SWITCH IN ARMED POSITION. CYCLED SWITCH, OPS CKS GOOD.
- [SDR UPS97224538](https://openairdocs.org/sdr/UPS97224538), Sep 29, 1997: LIGHT. INOPERATIVE. INSPECTION TYPE:N/A ON DEPARTURE CHECK, FOUND EMERGENCY EXIT LIGHT OVER L-1 DOOR INOP. REMOVED AND REPLACED EMERGENCY LIGHT, OPS GOOD.
- [SDR UPS97224520](https://openairdocs.org/sdr/UPS97224520), Sep 25, 1997: LIGHT. INOPERATIVE. COCKPIT EMERGENCY EXIT LIGHT WILL NOT ILLUMINATE WHEN TESTED. RESEATED EMERGENCY LIGHT ASSEMBLY OPS CK NML.
- [SDR UPS97224287](https://openairdocs.org/sdr/UPS97224287), Aug 23, 1997: FITTING. CRACKED. INSPECTION TYPE:C RT MLG WING DOOR ATTACH FITTING CRACKED. FITTING REPLACED IAW EO B727-3210-2583F APP D.
- [SDR UPS97224284](https://openairdocs.org/sdr/UPS97224284), Aug 19, 1997: PRESSURE WEB. CRACKED. INSPECTION TYPE:C CRACKS CONFIRMED AT BS 242 WL 168 AND BS 282 WL 172 LT NOSE WHEEL WELL PRESSURE WEB. PRESSURE WEB REPLACED IAW DRG 65-18414.
- [SDR UPS97224283](https://openairdocs.org/sdr/UPS97224283), Aug 19, 1997: PRESSURE WEB. CRACKED. INSPECTION TYPE:C CRACK CONFIRMED AT BS 282 WL 172 RT NOSE WHEEL WELL PRESSURE WEB PRESSURE WEB REPLACED IAW DRG 65-18414.
- [SDR UPS97224286](https://openairdocs.org/sdr/UPS97224286), Aug 18, 1997: BRACKET. CRACKED. INSPECTION TYPE:C PULLEY BRACKET FOR NR 2 ENG START CABLES BS 1260 CRACKED. PULLEY BRACKET REPLACED IAW MM 20-80-01.
- [SDR UPS97224282](https://openairdocs.org/sdr/UPS97224282), Aug 18, 1997: CHORD. CORRODED. INSPECTION TYPE:C LOWER AFT CARGO COMPARTMENT AT BS 1080 EYE BEAM HAS SOME SURFACE CORROSION. LOWER AFT CARGO COMPARTMENT CHORD REPLACED IAW SRM 53-10-2 FIG 7 A
- [SDR UPS97224281](https://openairdocs.org/sdr/UPS97224281), Aug 18, 1997: EYE END. WORN. INSPECTION TYPE:C LT MLG MANUAL EXTENSION UPLOCK RELEASE SHAFT PUSHROD EYE ENDS WORN EYE ENDS REPLACED IAW MM 32-34-0.
- [SDR UPS97224280](https://openairdocs.org/sdr/UPS97224280), Aug 18, 1997: CHORD. CORRODED. INSPECTION TYPE:C SURFACE CORROSION ON LOWER CHORD OF LONGITUDINAL I MEMBEER FWD CARGO COMPT CEILING BS 594 BBL 0. REPAIR CARRIED OUT IAW SRS EO 97-20-003 UPS E
- [SDR UPS97224295](https://openairdocs.org/sdr/UPS97224295), Aug 17, 1997: HINGE BRACKET. CRACKED. INSPECTION TYPE-C, LT I/B FLAP TRACK- AFT HINGE BRACKET ON FLAP TRACK FOR LT MLG WING DOOR IS CRACKED. REPLACED HINGE BRACKET IAW SRM 51-30-2.
- [SDR UPS97224285](https://openairdocs.org/sdr/UPS97224285), Aug 16, 1997: SKIN. CRACKED. INSPECTION TYPE:C SKIN ON LOWER AFT CARGO DOOR AREA BLENDED OUT AT BS 1060 LOWER EDGE SIX INCHES IN FROM REAR EDGE HAS A CRACK. REPAIR CARRIED OUT IAW SRM 52-00
- [SDR UPS97224297](https://openairdocs.org/sdr/UPS97224297), Aug 15, 1997: BRACKET. CORRODED. INSPECTION TYPE-C, CORROSION ON FLOOR BRACKET BETWEEN STN 294.5 AND STN 312 LBL 14.00. CORRODED BRACKET REMOVED AND FOUND TO BE OUTSIDE LIMITS OF SRM 51-10 -6. 
- [SDR UPS97224274](https://openairdocs.org/sdr/UPS97224274), Aug 15, 1997: CHANNEL. CRACKED. INSPECTION TYPE-C, CHANNEL SECTION BETWEEN BS 520 AND BS 540 RBL 17 IN FWD CARGO IS CRACKED. REPLACED CHANNEL SECTION IAW SRM 51-30-2 AND SRM 51-10-1.
- [SDR UPS97224273](https://openairdocs.org/sdr/UPS97224273), Aug 15, 1997: DOOR. DENTED. INSPECTION TYPE-C, DAMAGE TO FWD LOWER CARGO DOOR BOTTOM EDGE FIVE INCHES FWD FROM AFT EDGE STA 570 RT. REPAIR CARRIED OUT IAW SRM 52-00-3 FIG 4.
- [SDR UPS97224269](https://openairdocs.org/sdr/UPS97224269), Aug 15, 1997: PRESSURE PANEL. CORRODED. INSPECTION TYPE-C, SURFACE CORROSION ON LT PRESSURE PANEL NLG WHEEL WELL CEILING. REPLACED DOME PANEL IAW SRM 51-10-1.
- [SDR UPS97224267](https://openairdocs.org/sdr/UPS97224267), Aug 15, 1997: FITTING. CRACKED. INSPECTION TYPE-C, CRACK FOUND ON FUSELAGE FRAME FITTING BS 740 LT BETWEEN S19L AND S2 0L. REPAIRED IAW UPS EO B727-5310-7497.
- [SDR UPS97224266](https://openairdocs.org/sdr/UPS97224266), Aug 15, 1997: FITTING. CRACKED. INSPECTION TYPE-C, CRACKS FOUND ON FUSELAGE FRAME FITTING BS 740 RT BETWEEN S18R AND 19R, S19R AND S20R, S23R AND S24R. FRAME REPAIRED IAW UPS EO B727-5310-7497
- [SDR UPS97224279](https://openairdocs.org/sdr/UPS97224279), Aug 14, 1997: SKIN. DENTED. INSPECTION TYPE:C LOWER AFT CARGO DOOR, AREA DRESSED OUT AT BS 1057 S24R OUTSIDE LIMITS AS PER SRM 52-00-2. REPAIR CARRIED OUT IAW SRM 52-00-3 FIG 4.
- [SDR UPS97224278](https://openairdocs.org/sdr/UPS97224278), Aug 14, 1997: SKIN. DENTED. INSPECTION TYPE:C LOWER AFT CARGO DOOR, AREA DRESSED OUT AT BS 1083 S19R OUTSIDE LIMITS AS PER SRM 52-00-2. CARRIED OUT REPAIR IAW SRM 52-00-3 FIG 4.
- [SDR UPS96221138](https://openairdocs.org/sdr/UPS96221138), Sep 19, 1996: CIRCUIT BREAKER. TRIPPED. INSPECTION TYPE-N/A, AFTER TAKEOFF ENTIRE CREW NOTED A STRONG ODOR IN COCKPIT RESEMBLING ELECTRICAL SMOKE. FOUND STBY ALT/AS CB POPPED, ODOR STOPPED. DID NOT AT
- [SDR UPS96220664](https://openairdocs.org/sdr/UPS96220664), Jul 24, 1996: SENSE WIRES. CHAFED. NR 1 ENGINE STRUT OVERHEAT FLICKERED TWICE DURING CRUISE. FOUND STRUT DETECTOR WIRES WITH MINOR SIGNS OF CHAFING. CORRECTED ALL CHAFING AREAS. SYSTEM CHECKS NOR
- [SDR UPS96205661](https://openairdocs.org/sdr/UPS96205661), Mar 10, 1996: LIGHT. INOPERATIVE. MAINTENANCE REPORTED EMERGENCY LIGHT IN COCKPIT FAILED. REMOVED AND REPLACED LIGHT ASSY. OPS NORMAL.
- [SDR UPS205608](https://openairdocs.org/sdr/UPS205608), Feb 27, 1996: STRINGER. CORRODED. WHILE IN FOR C-CHECK, MAINTENANCE REPORTED STRINGER 18A LT HAS NO EDGE DISTANCE AT STA 940, DUE TO CORROSION IN FASTENER HOLES. REMOVED CORROSION, FABRICATED RE
- [SDR UPS205607](https://openairdocs.org/sdr/UPS205607), Feb 27, 1996: FORGING. CRACKED. WHILE IN FOR C-CHECK, MAINTENANCE REPORTED WHILE WORKING FUSELAGE CUST NR 433165, FOUND A CRACK ON THE BS 950 FORGING AT THE FWD SIDE OF PRESSURE WEB ATTACH FIT
- [SDR UPS205606](https://openairdocs.org/sdr/UPS205606), Feb 27, 1996: FLOORBEAM. CORRODED. WHILE IN FOR C-CHECK, MAINTENANCE REPORTED CORROSION ON FLOORBEAM UPPER FLANGE BS 1110 RBL 50 TO 56 LBL 3 TO 20 AND 40 TO 44. REMOVED CORROSION, OUT OF LIMITS R
- [SDR UPS205605](https://openairdocs.org/sdr/UPS205605), Feb 27, 1996: SKIN. CORRODED. WHILE IN FOR C-CHECK, MAINTENANCE REPORTED CORROSION ON INNER SKIN BS 640 TO 660 BETWEEN STR 2 TO 3 LT. REMOVED CORROSION, OUT OF LIMITS PER SRM 53-30-2 FABRICA
- [SDR UPS205604](https://openairdocs.org/sdr/UPS205604), Feb 27, 1996: FORGING. CRACKED. WHILE IN FOR C-CHECK, MAINTENANCE REPORTED LT AFT 870 TERMINAL FORGING IS CRACKED AT BS 870 WL 188 LBL 67. REMOVED CRACKED AREA AND NDT VERIFIED CRACK CONTAINME

All 131: https://openairdocs.org/deregistered/N931UP-2006-08-23/reports.md

## Other aircraft with N931UP

- [Registered now](https://openairdocs.org/aircraft/N931UP): Boeing 767-300F, S/N 70806

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