# N938UP: 1967 Boeing 727-173C, registration cancelled 2008-08-04

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 4, 2008
- Status when cancelled: Sale reported
- Airframe: [Boeing 727-173C](https://openairdocs.org/model/boeing-727-173c) (registry code 1384059)
- Engine: [Pratt & Whitney JT8D series](https://openairdocs.org/engine/pratt-whitney-jt8d-series) (registry code 52053)
- Data sheets: [TCDS A3WE](https://openairdocs.org/tcds/A3WE) (OpenAirDocs)
- Serial number: 19506
- Year built: 1967
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-jet
- Airworthiness: Standard
- Airworthiness date: February 21, 1990
- Last registry action: March 28, 2008
- Mode S code: AD0531
- 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/N938UP
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=938UP
- Page: https://openairdocs.org/deregistered/N938UP-2008-08-04

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 727-173C: https://openairdocs.org/model/boeing-727-173c.md

## Service difficulty reports (401, newest 50)

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

- [SDR UPS06247400](https://openairdocs.org/sdr/UPS06247400), Jul 24, 2006: BATTERY. INOPERATIVE. FLIGHT DECK PORTABLE EMERGENCY LIGHT DIMS RAPIDLY AFTER EMERGENCY LIGHTS ARE TURNED ON FOR TEST. FOUND DURING PRE-DEPARTURE CHECK. THE TWO BATTERIES WERE DATED 
- [SDR UPS06246470](https://openairdocs.org/sdr/UPS06246470), Mar 19, 2006: BATTERY. INOPERATIVE. EMERGENCY EXIT LIGHT AT ENTRY (L1) INOP. INSTALLED SERVICABLE BATTERIES REF MM 33-50-67-2 AS REQUIRED. OPS CK GOOD.
- [SDR UPS06246065](https://openairdocs.org/sdr/UPS06246065), Jan 17, 2006: STIFFENER. CORRODED. INSPECTION TYPE:C&SI TRANSVERS STIFFENER AT BS 745 ABOVE BREATHER WEB AT BS 745 IN DELTA BEAM AREA FOUND CORRODED ON REMOVAL. PLEASE REMOVE CORROSION, REINSPECT
- [SDR UPS06246069](https://openairdocs.org/sdr/UPS06246069), Jan 14, 2006: SKIN. DAMAGED. INSPECTION TYPE:C&SI FUSELAGE SKIN DAMAGE BETWEEN BS 1148 AND 1166 AND BETWEEN S11-13 LT. REPAIR CARRIED OUT IAW MM 51-20-01 AND SRM 53-30-03.
- [SDR UPS06246068](https://openairdocs.org/sdr/UPS06246068), Jan 14, 2006: SHEAR TIE. DAMAGED. INSPECTION TYPE:C&SI TO AID SKIN REPAIR FUSELAGE FRAME SKIN ATTACH ANGLES AT BS 1148 AND 11 66 BETWEEN S11 AND 13 LT REQUIRED AND REPAIR IAW SRM REPAIR CARRIED 
- [SDR UPS06246067](https://openairdocs.org/sdr/UPS06246067), Jan 12, 2006: WEB. CORRODED. INSPECTION TYPE:C&SI AREA OF SUSPECT CORROSION ON UPPER SURFACE OF DELTA BEAM BREATHER WEB BS 745 RBL 15. CORROSION FOUND BETWEEN INTERNAL DOUBLER AND SKIN DEEM
- [SDR UPS06246027](https://openairdocs.org/sdr/UPS06246027), Jan 12, 2006: FLOORBEAM. CORRODED. C-CHECK SI REF. NRC 100662 FLOORBEAM TOP CHORD CORROSION WAS REMOVED BS 344 AND FOUND OUTSIDE LIMITS OF SRM . REPLACE TOP CHORD SECTION RBL 80 - LBL 66 . REF SR
- [SDR UPS06246088](https://openairdocs.org/sdr/UPS06246088), Jan 10, 2006: CARRIAGE. CORRODED. INSPECTION TYPE:C&SI NR 7 FLAP CARRIAGE HAS CORROSION ON I/B FACE AT OB AFT LARGE BEARING HOLE, AND WEAR IN I/B AND OB FWD AND AFT SIDE BEARING BRACKETS ATTACH 
- [SDR UPS06246031](https://openairdocs.org/sdr/UPS06246031), Jan 10, 2006: BEAM. CORRODED. INSPECTION TYPE:C AND CORROSION ON UPPER OB SURFACE OF LONGITUDINAL BEAM LWR. CHORD AT BS 7 45 WIRE LOOM ATTACH ANCHOR NUT AT LBL 20. PLS REMOVE ANCHOR NUT, REM
- [SDR UPS06246012](https://openairdocs.org/sdr/UPS06246012), Jan 10, 2006: CARRIAGE. CORRODED. C-CHECK AND SI NR 8 FLAP CARRIAGE HAS CORROSION IN SPINDLE BORE. NR 8 FLAP CARRIAGE REPLACED IAW MM 27-51-13.
- [SDR UPS06246011](https://openairdocs.org/sdr/UPS06246011), Jan 10, 2006: CARRIAGE. CORRODED. INSPECTION C-CHECK AND SI SEVERAL AREAS OF CORROSION ON NR 3 FLAP CARRIAGE. NR3 FLAP CARRIAGE REPLACED IAW MM 27-51-03.
- [SDR UPS06246026](https://openairdocs.org/sdr/UPS06246026), Jan 8, 2006: STIFFENER. CORRODED. C-CHECK AND SI LIGHT SURFACE CORROSION ON AFT OF 870 B/H RT ON OB STIFFENER 20 INCHES UP FROM BOTTOM EDGE B/H CORROSION REMOVED IAW SRM 51-10-6 AND FOUND TO BE 
- [SDR UPS06246025](https://openairdocs.org/sdr/UPS06246025), Jan 8, 2006: STIFFENER. CORRODED. C-CHECK AND SI LIGHT SURFACE CORROSION ON AFT 870 LT OB STIFFENER 21 INCHES UP FROM BOTTOM EDGE OF LT. CORROSION REMOVED IAW SRM 51-10-6 AND FOUND TO BE OUTSIDE
- [SDR UPS06246066](https://openairdocs.org/sdr/UPS06246066), Jan 6, 2006: FLOOR SUPPORT. CRACKED. INSPECTION TYPE:C&SI FLOOR STRINGER IN FWD CARGO COMPARTMENT BETWEEN FR 620 AND FR 640 LBL 14 IS CRACKED. DAMAGED FLOOR STRINGER SECTION REMOVED IAW SRM 51-10-0
- [SDR UPS06246028](https://openairdocs.org/sdr/UPS06246028), Jan 6, 2006: SKIN. CORRODED. INSPECTION TYPE C AND IS EVIDENCE OF CORROSION BETWEEN FUSELAGE SKIN AND STRINGER 4R AT BS 1040 AT INTERIOR AREA OF FUSELAGE. AREA DIVERTED IAW SRM 51-30-02. CO
- [SDR UPS06246016](https://openairdocs.org/sdr/UPS06246016), Jan 6, 2006: SKIN. CORRODED. C-CHECK AND SI EVIDENCE OF CORROSION BETWEEN FUSELAGE SKIN AND STRINGER 4 R AT BS 101 0 AT INTERIOR AREA OF FUSELAGE. AREA DERIVETED IAW SRM 51-30-02. CORROSION
- [SDR UPS06246014](https://openairdocs.org/sdr/UPS06246014), Jan 6, 2006: SKIN. CORRODED. INSPECTION C-CHECK AND SI EVIDENCE OF SURFACE CORROSION BETWEEN FUSELAGE SKIN AND STRINGER 4R AT BS 990 AT INTERIOR AREA OF FUSELAGE. AREA DERIVATED IAW SRM 51-
- [SDR UPS06246087](https://openairdocs.org/sdr/UPS06246087), Jan 5, 2006: SKIN. CRACKED. INSPECTION TYPE:C&SI ENG, NR 1 PYLON SKIN CRACKED AT LEADING EDGE INBOARD SIDE. REPAIR OR REPLACE SKIN. ON REMOVAL OF NR 1 PYLON AND BULLNOSE SEAL IAW SRM 51-30
- [SDR UPS06246032](https://openairdocs.org/sdr/UPS06246032), Jan 5, 2006: SKIN. CRACKED. INSPECTION TYPE:C AND IS SUSPECT SKIN CRACK AT FASTENER HOLE SECTION 41 RT AT BS 239 S15R. PL S. CARRY OUT NDI AND RECTIFY IF NECESSARY IAW SRM HFEC INSP. CARRI
- [SDR UPS06246030](https://openairdocs.org/sdr/UPS06246030), Jan 5, 2006: LAP JOINT. CORRODED. INSPECTION TYPE:C AND CORROSION EVIDENT AT LAP JOINT S4R BS 940 TO 920. PLS. CARRY OUT NDI O N LAP JOINT BS 1080 TO 870. RE-INSPECT AND RECTIFY IAW EO APPENDIX 
- [SDR UPS06246029](https://openairdocs.org/sdr/UPS06246029), Jan 5, 2006: LAP JOINT. CORRODED. INSPECTION TYPE:C AND IS CORROSION EVIDENT AT LAP JOINT S4 RT BS 1010 TO 990. PLS. CARRY OUT N DI ON LAP JOINT BS 1080 TO 870 RE-INSPECT AND RECTIFY IAW EO APPE
- [SDR UPS06246086](https://openairdocs.org/sdr/UPS06246086), Jan 4, 2006: SKIN. CRACKED. INSPECTION TYPE-C AND IS SUSPECT SKIN CRACK AT UPPER FWD CORNER OF FWD ENTRY DOOR CUT OUT BETWEEN STR 7 AND 8L PLS. CARRY UT NDI AND RECTIFY AS NECESSARY IAW SR
- [SDR UPS04243607](https://openairdocs.org/sdr/UPS04243607), Dec 15, 2004: METERING VALVE. MALFUNCTIONED. BRAKES DO NOT SEEM TO RELEASE AFTER BRAKE APPLICATION A/C COMES TO COMPLETE STOP AND HAVE TO ADD POWER TO TAXI A/C. ALSO, SEE L/P 694861 ITEM 2 ADJUSTED LT MLG 
- [SDR UPS04243376](https://openairdocs.org/sdr/UPS04243376), Oct 20, 2004: OXYGEN MASK. INOPERATIVE. INSPECTION TYPE:N/A, 2ND OBSERVER O2 MASK INOP. REMOVED AND REPLACED 2ND OBSERVER O2 MASK IAW 35-11-41. OPS & LEAK CHECK GOOD. PLACARD REMOVED. DEFERRAL CLOSED 
- [SDR UPS04243199](https://openairdocs.org/sdr/UPS04243199), Sep 17, 2004: RIB. CORRODED. INSPECTION TYPE: C, EXFOLIATION CORROSION FOUND ON FIXED WING L/E RIB LOWER CHORDS AT LES 236.217 AND LES 243.977. REMOVED CHORDS ON ABOVE AREA IAW SRM 51-30-02
- [SDR UPS04243173](https://openairdocs.org/sdr/UPS04243173), Sep 14, 2004: ACCESS PANEL. DELAMINATED. INSPECTION TYPE:C, RIGHT WING ACCESS PANEL NR 8640 DELAM ALONG EDGE AND SUSPECT CRACK ON LWR SURFACE. DAMAGED AREA CUT OUT AND REPAIRED IAW SRM 51-40-20.
- [SDR UPS04243172](https://openairdocs.org/sdr/UPS04243172), Sep 14, 2004: PANEL. DELAMINATED. INSPECTION TYPE:C, RIGHT WING UPPER SURFACE T/E PANEL DELAM ON UPPER SURFACE AT I/B AFT CORNER. PANEL REPLACED IAW MM 20-80-01.
- [SDR UPS04243204](https://openairdocs.org/sdr/UPS04243204), Sep 13, 2004: SKIN. CORRODED. INSPECTION TYPE:C, NR 4 KRUEGER FLAP HAS CORROSION ON INNER SURFACE BELOW ACTUATOR ATTACH AREA. CORROSION REMOVED AND FOUND TO BE BEYOND LIMITS IAW SRM 57-50-01
- [SDR UPS04243218](https://openairdocs.org/sdr/UPS04243218), Sep 10, 2004: SKIN. CORRODED. INSPECTION TYPE: C, AREA OF LITE SURFACE CORROSION AROUND FASTENER HEADS ON HORIZ FLANGE OF RT WING UPPER SPLICE PLATE AT BS 850. FASTENER REMOVED IAW SRM 51-30
- [SDR UPS04243216](https://openairdocs.org/sdr/UPS04243216), Sep 10, 2004: PLATE. CORRODED. INSPECTION TYPE: C, LIGHT SURFACE CORROSION AROUND FASTENER HEAD ON HORIZ FLANGE OF LT WING UPPER SPLICE PLATE AT BS 848. FASTENER REMOVED IAW SRM 51-30-02. COR
- [SDR UPS04243211](https://openairdocs.org/sdr/UPS04243211), Sep 10, 2004: SKIN. CRACKED. INSPECTION TYPE: C, SUSPECT CRACK ON ANTI ICE SKIN AT I/B LOWER CORNER OF NR 3 KRUEGER FLAP. SKIN REPLACED IAW DRAWING 65-16225.
- [SDR UPS04243210](https://openairdocs.org/sdr/UPS04243210), Sep 10, 2004: STRUCTURE. CORRODED. INSPECTION TYPE:C, PITTING CORROSION ON NR 3 KRUEGER FLAP BULLNOSE AT O/B LOWER MOUNT LUG. BULLNOSE REPLACED IAW OHM 57-51-21.
- [SDR UPS04243205](https://openairdocs.org/sdr/UPS04243205), Sep 10, 2004: SKIN. CRACKED. INSPECTION TYPE:C, SUSPECT CRACK ON NR 7 SLAT OUTER SKIN AT O/B HOOK. HFEC CARRIED OUT ON SUSPECT CRACK IAW B727 NDTM 51-00-00 PT 6 FIG 4, 3 CRACKS NOTED AND MA
- [SDR UPS04243238](https://openairdocs.org/sdr/UPS04243238), Sep 9, 2004: FRAME. CRACKED. INSPECTION TYPE:C, SUSPECT CRACK ON WING CENTER SECTION AT BS 775 RBL 45 ON LOWER FLANGE. HFEC CARRIED OUT IAW NDT M 51-00-00. RESULT - CRACKS CONFIRMED. FWD SE
- [SDR UPS04243237](https://openairdocs.org/sdr/UPS04243237), Sep 9, 2004: BOLT. CORRODED. INSPECTION TYPE: C, NR 2 ENG MOUNT FITTING RIGHT SIDE HAS ONE CORRODED ATTACH BOLT ON UPPER SURFACE OF HORIZONTAL FIRE WALL. BOLT REPLACED.
- [SDR UPS04243213](https://openairdocs.org/sdr/UPS04243213), Sep 9, 2004: STRINGER. CORRODED. INSPECTION TYPE: C, CORROSION ON WING CENTER SECTION UPPER SKIN AT STR 10C RBL 65 BS 810. CLEANED CORROSION IAW SRM 51-10-01. HFEC CARRIED OUT IAW B727-NDTM -5 
- [SDR UPS04243212](https://openairdocs.org/sdr/UPS04243212), Sep 9, 2004: SKIN. CORRODED. INSPECTION TYPE: C, CORROSION ON WING CENTER SECTION UPPER SKIN BETWEEN STR 12-13C RBL 65 BS 795 IN THE AREA INTERFACING WITH Y FLANGE FITTING. CORROSION REMOVE
- [SDR UPS04243209](https://openairdocs.org/sdr/UPS04243209), Sep 9, 2004: STRINGER. CORRODED. INSPECTION TYPE:C CORROSION ON LOWER FLANGE OF STR 18A AT BS 850 RT VAPOR SEAL REMOVED FOR ACCESS IAW MM 51-30-00. CORROSION REMOVED ON LOWER FLANGE OF STR 18A 
- [SDR UPS04243182](https://openairdocs.org/sdr/UPS04243182), Sep 9, 2004: STRINGER. CORRODED. INSPECTION TYPE:C, CORROSION ON LOWER FLANGE OF STR 18A AT BS 850 LT SIDE CORROSION REMOVED IAW SRM 51-10-02. HFEC CARRIED OUT IAW B727NDTM 51- 00-00 PT 6 FIG 4
- [SDR UPS04243177](https://openairdocs.org/sdr/UPS04243177), Sep 9, 2004: TAB. DELAMINATED. INSPECTION TYPE:C, DELAMINATION FOUND ON RIGHT ELEVATOR TAB. REPLACED RIGHT ELEVATOR TAB.
- [SDR UPS04243245](https://openairdocs.org/sdr/UPS04243245), Sep 8, 2004: SPAR. CORRODED. INSPECTION TYPE:C, EVIDENCE OF INTERGRANULAR CORROSION ON REAR SPAR UPPER CHORD, RIGHT WING BETWEEN WS 290-320 APPROX. REPAIR CARRIED OUT IAW UPS EO B727-5710-1
- [SDR UPS04243243](https://openairdocs.org/sdr/UPS04243243), Sep 8, 2004: SKIN. DELAMINATED. INSPECTION TYPE:C, DELAM ON RIGHT O/B MIDFLAP T/E WEDGE FWD FACE I/B OF NR 2 AFT FLAP TRACK. DELAM OUT OF LIMITS. MIDFLAP REPLACED IAW MM 27-51-12.
- [SDR UPS04243184](https://openairdocs.org/sdr/UPS04243184), Sep 8, 2004: SKIN. DEFORMED. INSPECTION TYPE:C, SKIN DEFORMATION AT STR 11R BS 1342 (RT SIDE OF NR 2 ENGINE FIREWALL). CUT OUT DAMAGED SECTION OF SKIN & PREVIOUS REPAIR DOUBLER REMOVED IAW 
- [SDR UPS04243220](https://openairdocs.org/sdr/UPS04243220), Sep 8, 2004: SPAR. CORRODED. INSPECTION TYPE:C EVIDENCE OF INTERGRANULAR CORROSION ON REAR SPAR UPPER CHORD LEFT WING AT WBL 245. HFEC CARRIED OUT IAW B727 NDTM 51-00-00 PT 6 FIG 4. CORROSI
- [SDR UPS04243208](https://openairdocs.org/sdr/UPS04243208), Sep 8, 2004: STRUCTURE. CRACKED. INSPECTION TYPE: C, LOWER LEFT WING, FIXED WING STRUCTURE WHICH SECURES NR 3 FLAP TRACK FAIRING IS CRACKED ON BOTH I/B AND O/B SIDES. HFEC CARRIED OUT ON SUSPEC
- [SDR UPS04243206](https://openairdocs.org/sdr/UPS04243206), Sep 8, 2004: PANEL. DELAMINATED. INSPECTION TYPE:C DELAM ON RT WING T/E PANEL LOWER SURFACE OF WING BELOW NR 13 SPOILER. REPAIRED DELAM ON PANEL IAW SRM 51-40-20.
- [SDR UPS04243175](https://openairdocs.org/sdr/UPS04243175), Sep 8, 2004: PANEL. DELAMINATED. INSPECTION TYPE:C, PANEL NR 3512 LT REQUIRES COMPOSITE REPAIR. PANEL REPAIRED IAW SRM 51-40-9.
- [SDR UPS04243186](https://openairdocs.org/sdr/UPS04243186), Sep 7, 2004: INTERCOSTAL. CRACKED. INSPECTION TYPE: C, INTERCOSTAL CRACKED ON TOILET COMPARTMENT FLOOR BS 294.5-312. INTERCOSTAL REMOVED IAW SRM 51-30-02 AND DAMAGE REMOVED IAW SRM 51-40-03. HFEC
- [SDR UPS04243207](https://openairdocs.org/sdr/UPS04243207), Sep 6, 2004: YOKE. CORRODED. INSPECTION TYPE: C, ON REMOVAL OF LT MLG SWING LINK, YOKE OVER SWING LINK FOUND TO HAVE PITTING CORROSION. REPLACED YOKE ASSY IAW MM 32-32-00.
- [SDR UPS04243180](https://openairdocs.org/sdr/UPS04243180), Sep 6, 2004: BUSHING. CORRODED. INSPECTION TYPE:C, ENGINE NR 1 FWD MOUNT FITTING, REPAIR BUSHINGS IN BOTH O/B HOLES HAVE MIGRATED. REPAIRED IAW UPS EO B727-5440-11592-A.

All 401: https://openairdocs.org/deregistered/N938UP-2008-08-04/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 19911120060909I](https://openairdocs.org/incident/19911120060909I), Nov 20, 1991: Boeing 727173C (N938UP), Wichita, KS. NR1 engine start valve open light illuminated on descent. Found loose connector on NR1 engine start valve.

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