# N831FT: 1970 Boeing 747-121, registration cancelled 2018-01-26

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 26, 2018
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Boeing 747-121](https://openairdocs.org/model/boeing-747-121) (registry code 138487A)
- Engine: [Pratt & Whitney JT9D-3A](https://openairdocs.org/engine/pratt-whitney-jt9d-3a) (registry code 52050)
- Data sheets: [TCDS A20WE](https://openairdocs.org/tcds/A20WE), [TCDS E20EA](https://openairdocs.org/tcds/E20EA) (OpenAirDocs)
- Serial number: 19648
- Year built: 1970
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: February 26, 1970
- Certificate issued: December 3, 1992
- Last registry action: July 17, 2007
- Mode S code: AB5CA0
- Owner when cancelled: [Palc II Inc](https://openairdocs.org/faa-owner/PALC%20II%20INC)
- Location: [Stamford, CT](https://openairdocs.org/faa-place/CT/Stamford)
- Owner type: Corporation
- Owner's area on the map: 41.0534° N, 73.5387° W: Placed by OpenAirDocs: center of Stamford, CT, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N831FT
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=831FT
- Page: https://openairdocs.org/deregistered/N831FT-2018-01-26

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 747-121: https://openairdocs.org/model/boeing-747-121.md

## Service difficulty reports (608, newest 50)

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

- [SDR P5CA9600026](https://openairdocs.org/sdr/P5CA9600026), Jan 22, 1996: ACTUATOR. INOPERATIVE. DURING TAXI OUT, ON FLIGHT CONTROL CHECK, FOUND RT AILERON WOULD NOT UNLOCK FROM HIGH SPEED MODE WITH FLAPS IN TAKEOFF POSITION. RETURNED TO BLOCKS, APPLIED HEA
- [SDR P5CA9500869](https://openairdocs.org/sdr/P5CA9500869), Dec 10, 1995: ACCUMULATOR. FAILED. NR 1 AND NR 4 HYDRAULIC SYSTEM PRESSURE AND QUANTITY WENT TO ZERO DURING PUSHBACK. FOUND BRAKE SURGE ACCUMULATOR FAILED, REPLACED SAME IAW MM 32-41-22. SERVICED
- [SDR P5CA9500855](https://openairdocs.org/sdr/P5CA9500855), Dec 1, 1995: PANEL. DELAMINATED. FOUND RIGHT HAND WING UPPER LEADING EDGE PANEL DELAMINATED WITH SECTION MISSING JUST OUTBOARD OF NR 3 ENGINE PYLON. REPAIRED PANEL PER SRM 51-40-14.
- [SDR P5CA9500854](https://openairdocs.org/sdr/P5CA9500854), Nov 30, 1995: STRUCTURE. CRACKED. FOUND NOSE LANDING GEAR ACTUATOR UPPER SUPPORT STRUCTURE CRACKED AT LOWER INBOARD FLANGE AREA JUST AFT OF WEB. BLENDED OUT CRACKED AREA PER EA PAO-LAX-95-0041RE
- [SDR P5CA9500853](https://openairdocs.org/sdr/P5CA9500853), Nov 29, 1995: SKIN. DAMAGED. FOUND HOLE IN LEFT INBOARD ELEVATOR UPPER SURFACE WITH HONEYCOMB EXPOSED. REPAIRED PER SRM 51-40-15.
- [SDR P5CA9500852](https://openairdocs.org/sdr/P5CA9500852), Nov 29, 1995: SKIN. CRACKED. FOUND 2 INCH CRACK IN FUSELAGE SKIN AT STATION 2650 ABOVE LEFT ELEVATOR. REPAIRED PER SRM 53-30-03.
- [SDR P5CA9500851](https://openairdocs.org/sdr/P5CA9500851), Nov 29, 1995: BOLT. CORRODED. FOUND RUST ON BOLT AND HOLE AT NR 3 LATCH LOWER ATTACH POINT FOR AFT CARGO DOOR. REMOVED CORROSION PER SRM 51-10-01, TREATED AND PRIMED PER SRM 51-10-02.
- [SDR P5CA9500850](https://openairdocs.org/sdr/P5CA9500850), Nov 29, 1995: PANEL. TORN. FOUND PANEL TORN AT LEFT WING INBOARD MIDFLAP BETWEEN NR 3 AND NR 4 FLAP TRACK FAIRINGS. REPAIRED PANEL PER SRM 51-40-04.
- [SDR P5CA9500849](https://openairdocs.org/sdr/P5CA9500849), Nov 29, 1995: SKIN. CRACKED. FOUND 4 INCH CRACK IN FUSELAGE SKIN AT STA 2710, ABOVE LEFT ELEVATOR. REPAIRED PER SRM 53-30-03.
- [SDR P5CA9500845](https://openairdocs.org/sdr/P5CA9500845), Nov 25, 1995: FIRE LIGHT. ILLUMINATED. DURING PREFLIGHT CHECK, FOUND APU FIRE HANDLE HAD LIGHTS ON WITH NO BELL. FEO PULLED THE FIRE HANDLE, LIGHT REMAINED ON, FEO FIRED THE FIRE BOTTLE AND LIGHT WEN
- [SDR P5CA9500840](https://openairdocs.org/sdr/P5CA9500840), Nov 14, 1995: T2 TURBINE BLADE. FAILED. NR 1 ENGINE FL 19,000 COMPRESSOR STALL WITH EGT RISE, PRECAUTIONARY ENGINE SHUTDOWN. FOUND TWO FAILED T2 TURBINE BLADES. ENGINE TO BE REPLACED PER POLAR WORK CA
- [SDR P5CA9500725](https://openairdocs.org/sdr/P5CA9500725), Aug 29, 1995: LIMITER SPRING. BROKEN. FIRST OFFICER'S CONTROL WHEEL HAS 2 DEGREES PLAY BEFORE GETTING ANY AILERON MOVEMENT. CAPTAIN'S CONTROL WHEEL OK. FOUND AILERON CONTROL LOAD LIMITER TORSION SPR
- [SDR P5CA9500705](https://openairdocs.org/sdr/P5CA9500705), Aug 17, 1995: ENGINE. MALFUNCTIONED. NR 1 ENGINE AUTO DECELERATION WITHOUT THROTTLE MOVEMENT, SLOW ENGINE RESPONSE 40 MINUTES INTO FLIGHT, PRECAUTIONARY SHUT DOWN. RESTARTED ENGINE IN-FLIGHT, ALL N
- [SDR P5CA9500696](https://openairdocs.org/sdr/P5CA9500696), Aug 9, 1995: STRINGER. CRACKED. S34L CRACKED IN RADIUS, BS 1778 AT OLD SET MARK. REPLACED STRINGER.
- [SDR P5CA9500691](https://openairdocs.org/sdr/P5CA9500691), Aug 3, 1995: FITTING. CRACKED. LEFT BODY LANDING GEAR RETRACT ACTUATOR UPPER FITTING CRACKED, BS 1480 BULKHEAD. REPLACED FITTING.
- [SDR P5CA9500472](https://openairdocs.org/sdr/P5CA9500472), Jul 20, 1995: LIGHTS. SMOKING. ACRID TYPE SMELL NOTED INITIALLY DURING CLIMB THRU FL 280, 3 MINUTES LATER OBSERVED FAINT SMOKE FROM LEFT GLARESHIELD. TURNED OFF ALL INTSTRUMENT BACK GROUND LI
- [SDR P5CA9500540](https://openairdocs.org/sdr/P5CA9500540), Jul 4, 1995: SKIN. CORRODED. SWELLING ON EXTERNAL SKIN BETWEEN BS 1800 AND 1820 AT S50L. REMOVED CORROSION PER BOEING SRM 51-10-01.
- [SDR P5CA9500539](https://openairdocs.org/sdr/P5CA9500539), Jul 4, 1995: SKIN. CORRODED. SWELLING ON EXTERNAL SKIN BETWEEN BS 1820 AND 1840 AT S47R. REMOVED FASTENERS FROM SWELLED AREA, REMOVED CORROSION FROM SKIN PER SRM 51-10-01, WITHIN LIMITS PER
- [SDR P5CA9500538](https://openairdocs.org/sdr/P5CA9500538), Jul 4, 1995: SKIN. CRACKED. CRACK IN SKIN AT NR 4L DOOR LOWER HINGE CUTOUT. REPAIRED BY BLEND OUT, WITHIN LIMITS PER BOEING SRM 52-00-02.
- [SDR P5CA9500537](https://openairdocs.org/sdr/P5CA9500537), Jul 4, 1995: RIB. CRACKED. CRACKED FORGED RIB LEFT WING LEADING EDGE CAVITY WS 800. (2 CRACKS ON AFT UPPER LEFT SIDE CHORD). MANUFACTURED REINFORCEMENT PER BOEING SRM 57-20-03 INSTALLED P
- [SDR P5CA9500536](https://openairdocs.org/sdr/P5CA9500536), Jul 4, 1995: RIB. CRACKED. CRACKED UPPER LEFT CHORD ON FORGE RIB AT WS 930 LEFT WING LEADING EDGE CAVITY. MANUFACTURED REINFORCEMENT PER BOEING SRM 57-20-03, INSTALLED PER SRM 51-30-02.
- [SDR P5CA9500535](https://openairdocs.org/sdr/P5CA9500535), Jul 4, 1995: RIB. CRACKED. CRACKED FORGE RIB LEFT WING LEADING EDGE CAVITY WS 960 AFT RIGHT SIDE UPPER CHORD. MANUFACTURED REINFORCEMENT PER BOEING SRM 57-20-03, INSTALLED PER SRM 51-30-0
- [SDR P5CA9500534](https://openairdocs.org/sdr/P5CA9500534), Jul 4, 1995: RIB. CRACKED. CRACK ON LEFT WING LEADING CAVITY WS 850 FORGED RIB AT THE AFT UPPER LEFT SIDE CHORD. MANUFACTURED REINFORCEMENT PER BOEING SRM 57-20-03, INSTALLED PER BOEING S
- [SDR P5CA9500533](https://openairdocs.org/sdr/P5CA9500533), Jul 4, 1995: INTERCOSTAL. CRACKED. CRACKS ON INTERCOSTAL AT S30R BETWEEN BS 500 AND 520. MANUFACTURED NEW INTERCOSTAL PER BOEING SRM 53-10-21, INSTALLED PER 51-30-02.
- [SDR P5CA9500532](https://openairdocs.org/sdr/P5CA9500532), Jul 4, 1995: FRAME. CORRODED. CORROSION AT BS 1060 FRAME UNDER RIGHT FAIRING. CORROSION REMOVED PER BOEING SRM 51-10-01, WITHIN LIMITS PER 53-10-01.
- [SDR P5CA9500531](https://openairdocs.org/sdr/P5CA9500531), Jul 4, 1995: PRESSURE DECK. CORRODED. CORROSION ON PRESSURE DECK WEBS RBL 11 BETWEEN BS 1280 AND 1400 RBL 33 BS 1300 TO 1400. MANUFACTURED AND INSTALLED REINFORCEMENT PER BOEING SRM 53-10-07 FIG 2 D
- [SDR P5CA9500530](https://openairdocs.org/sdr/P5CA9500530), Jul 4, 1995: BRACKET. CORROSION. CORROSION ON U-CHANNEL FAIRING ON HINGE BRACKET, INBOARD HINGE OF NR 14 LEADING EDGE FLAP. MANUFACTURED BRACKET PER BOEING SRM 51-20-01, INSTALLED PER 51-30-02.
- [SDR P5CA9500687](https://openairdocs.org/sdr/P5CA9500687), Jul 3, 1995: SKIN. CORROSION. SWELLING IN FUSELAGE SKIN BETWEEN BS 1780 AND 1800 AT S49R. AREA REWORKED AND TREATED PER BOEING SRM 51-10-02, WITHING LIMITS, INSTALLED FASTENERS PER 51-30-01.
- [SDR P5CA9500686](https://openairdocs.org/sdr/P5CA9500686), Jul 3, 1995: SKIN. CORRODED. SWELLING ON EXTERNAL SKIN AT BS 1940 S47R. REWORKED AND TREATED PER BOEING SRM 51-10-02, WITHIN LIMITS, INSTALLED FASTENERS PER 51-30-02.
- [SDR P5CA9500685](https://openairdocs.org/sdr/P5CA9500685), Jul 3, 1995: ANGLE. CORRODED. CORROSION ON SUPPORT ANGLE FOR FLOOR, BETWEEN BS 1240 AND 1260 LBL 100. REPLACED ANGLE PER BOEING SRM.
- [SDR P5CA9500684](https://openairdocs.org/sdr/P5CA9500684), Jul 3, 1995: ANGLE. CORRODED. CORROSION ON SUPPORT ANGLE FOR FLOOR MAIN DECK WL 178 LEFT SIDE BETWEEN BS 1320 AND 1350. REPLACED SUPPORT ANGLE, INSTALLED PER BOEING SRM 51-30-02.
- [SDR P5CA9500683](https://openairdocs.org/sdr/P5CA9500683), Jul 3, 1995: BULKHEAD. CORRODED. CORROSION UNDER BOLTS BS 1000 LEFT SIDE. SURFACE CORROSION REWORKED AND TREATED PER BOEING SRM 51-10-02, WITHIN LIMITS.
- [SDR P5CA9500682](https://openairdocs.org/sdr/P5CA9500682), Jul 3, 1995: ANGLE. CRACKED. RIGHT WING LEADING EDGE CAVITY WS 630 RIB TO LEADING EDGE CONNECTION ANGLE IS CRACKED. REPLACED ANGLE MANUFACTURED PER BOEING SRM 51-20-02, INSTALLED 51-30-02.
- [SDR P5CA9500681](https://openairdocs.org/sdr/P5CA9500681), Jul 3, 1995: SKIN. CORRODED. SWELLING AND PROTRUDING RIVETS IN FUSELAGE SKIN, AT BS 1940 BETWEEN S47L AND S51L. REWORKED AREA AND TREATED PER BOEING SRM 51-10-02, WITHIN LIMITS, INSTALLED P
- [SDR P5CA9500680](https://openairdocs.org/sdr/P5CA9500680), Jul 3, 1995: SKIN. CORROSION. SWELLING IN FUSELAGE SKIN RIGHT SIDE BETWEEN BS 1860 AND 1800 S47R. SWELLING AREA REWORKED AND TREATED PER BOEING SRM 51-10-02, WITHIN LIMITS, INSTALLED PER 51-
- [SDR P5CA9500679](https://openairdocs.org/sdr/P5CA9500679), Jul 3, 1995: BRACKET. BROKEN. BROKEN BRACKET RIGHT WING LEADING EDGE CAVITY WS 1168. MANUFACTURED PART PER BOEING SRM 51-20-02, INSTALLED PER 51-30-02.
- [SDR P5CA9500678](https://openairdocs.org/sdr/P5CA9500678), Jul 3, 1995: SKIN. CORRODED. SURFACE CORROSION ON HI-LOCK HEADS, ON EXTERNAL SKIN MAIN SIDE CARGO DOOR CUTOUT. REMOVED CORROSION PER BOEING SRM 51-10-01.
- [SDR P5CA9500677](https://openairdocs.org/sdr/P5CA9500677), Jul 3, 1995: FITTING. CRACKED. CRACK ON FITTING AT BS 1820 S40R. REPLACED FITTING, INSTALLED PER BOEING SRM 51-30-02.
- [SDR P5CA9500676](https://openairdocs.org/sdr/P5CA9500676), Jul 3, 1995: SKIN. CRACKED. CRACK ON AFT BULK CARGO DOOR CUTOUT, AT INTERNAL LOWER FORWARD CORNER. REPAIRED PER BOEING SRM 51-40-10.
- [SDR P5CA9500675](https://openairdocs.org/sdr/P5CA9500675), Jul 3, 1995: SKIN. SEPARATED. LEFT WING OUTBOARD FLAP UPPER SURFACE 2 POINTS OF SEPARATION. REPAIRED PER BOEING SRM 51-40-06.
- [SDR P5CA9500674](https://openairdocs.org/sdr/P5CA9500674), Jul 3, 1995: CHORD. CORRODED. CORROSION ON LOWER FLANGE OF THE LOWER CHORD LANDING GEAR BEAM, AT BS 1350 LEFT AND RIGHT. REWORKED PER BOEING SB 53-2310 WITHIN LIMITS.
- [SDR P5CA9500673](https://openairdocs.org/sdr/P5CA9500673), Jul 3, 1995: SPOILER. CRACKED. CRACK AT SKIN NEAR PCU FITTING ON NR 7 SPOILER RIGHT WING. REPAIRED PER BOEING SRM 51-40-06.
- [SDR P5CA9500672](https://openairdocs.org/sdr/P5CA9500672), Jul 3, 1995: EXHAUST BELLOW. CRACKED. APU EXHAUST BELLOW BENT AND CRACKED. REPLACED BELLOW.
- [SDR P5CA9500671](https://openairdocs.org/sdr/P5CA9500671), Jul 3, 1995: CHORD. CRACKED. CRACK ON CHORD RIGHT SIDE NOSE WHEEL CORNER. REPAIRED PER BOEING DRAWING 141U1098 (SB 53-2272).
- [SDR P5CA9500670](https://openairdocs.org/sdr/P5CA9500670), Jul 3, 1995: COWLING. CRACKED. CRACK ON FORWARD EDGE NR 3 ENGINE RIGHT COWLING EXTERIOR SURFACE SKIN. REPAIRED PER BOEING SRM 54-30-03.
- [SDR P5CA9500669](https://openairdocs.org/sdr/P5CA9500669), Jul 3, 1995: SKIN. CORRODED. CORROSION FUSELAGE SKIN EXTERNAL AND INTERIOR, BS 1000 BETWEEN S38L AND S40L. REPAIRED PER EO B747-53-84022-A40-010.
- [SDR P5CA9500668](https://openairdocs.org/sdr/P5CA9500668), Jul 3, 1995: COWL FRAME. CRACKED. CRACKED FRAME 3RD HOOK NR 4 ENGINE RIGHT MAIN COWL UPPER. REPAIRED PER BOEING SRM 54-30-03.
- [SDR P5CA9500667](https://openairdocs.org/sdr/P5CA9500667), Jul 3, 1995: TURBINE CASE. CRACKED. ENGINE NR 2 S-FLANGE AT 2 O'CLOCK IS CRACKED IN TWO PLACES ONE ON THE OD AND ONE FROM RAIL TO CASE OF TURBINE. REPAIRED PER 72-53-01
- [SDR P5CA9500666](https://openairdocs.org/sdr/P5CA9500666), Jul 3, 1995: CLIPS. CORRODED. CORRODED FASTENERS AND CLIPS AT MAIN DECK WINDOWS BETWEEN BS 2060 AND 2080. REPLACED CLIPS AND FASTENERS PER BOEING MAINT MANUAL 56-21-01.
- [SDR P5CA9500665](https://openairdocs.org/sdr/P5CA9500665), Jul 3, 1995: COWLING. CORRODED. SURFACE CORROSION ON RIVET HEADS AND SHEARED RIVETS ON THE EXTERIOR SURFACE OF NR 2 LEFT COWLING. REPLACED RIVETS PER BOEING SRM 51-30-02.

All 608: https://openairdocs.org/deregistered/N831FT-2018-01-26/reports.md

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