# N770AT: 1979 Boeing 727-2B7, registration cancelled 2017-10-31

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 31, 2017
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Boeing 727-2B7](https://openairdocs.org/model/boeing-727-2b7) (registry code 138407L)
- Engine: [Pratt & Whitney JT8D-17 series](https://openairdocs.org/engine/pratt-whitney-jt8d-17-series) (registry code 52049)
- Data sheets: [TCDS E2EA](https://openairdocs.org/tcds/E2EA) (OpenAirDocs)
- Serial number: 21953
- Year built: 1979
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-jet
- Airworthiness: Standard, transport
- Airworthiness date: October 5, 1996
- Certificate issued: July 13, 2011
- Last registry action: April 13, 2012
- Mode S code: AA6919
- Owner when cancelled: [Wells Fargo Bank Northwest Na Trustee](https://openairdocs.org/faa-owner/WELLS%20FARGO%20BANK%20NORTHWEST%20NA%20TRUSTEE)
- Location: [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City)
- Owner type: Corporation
- Owner's area on the map: 40.8659° N, 112.0391° W: Placed by OpenAirDocs at the center of ZIP code 84116, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N770AT
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=770AT
- Page: https://openairdocs.org/deregistered/N770AT-2017-10-31

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 727-2B7: https://openairdocs.org/model/boeing-727-2b7.md

## Service difficulty reports (78, newest 50)

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

- [SDR DHLA2009770AT526](https://openairdocs.org/sdr/DHLA2009770AT526), Jan 6, 2009: FRAME. WORN. EMPENNAGE VERTICAL STABILIZER ACTUATOR RT ACCESS PANEL FRAME "T" SHAPE SUPPORT WORN AND LOOSE. REPAIRED VERTICAL STABILIZER MID SPAR CHORD RIGHT SIDE FROM FIN S
- [SDR DHLA2009770AT521](https://openairdocs.org/sdr/DHLA2009770AT521), Dec 19, 2008: STRINGER. CORRODED. LWR FUSELAGE FWD CARGO COMPARTMENT S-28R WITH CORROSION AT BS 488. REPAIRED S-28R SECTION BETWEEN BS 480 TO BS 516.5 IAW SRM 53-10-3 FIG 1. REPLACED S-28R SECTI
- [SDR DHLA2009770AT517](https://openairdocs.org/sdr/DHLA2009770AT517), Dec 19, 2008: SUPPORT CHANNEL. CORRODED. REF N/R 1-306 LOWER FUSELAGE INTERIOR FWD NOSE COMPARTMENT, LOWER CHORD AND SUPPORT CHANNEL WITH CORROSION AT BS 227.8 LBL2. REPAIRED FUSELAGE FWD NOSE COMPT LO
- [SDR DHLA2009770AT508](https://openairdocs.org/sdr/DHLA2009770AT508), Dec 19, 2008: FRAME. DENTED. UPPER FUSELAGE CARGO CABIN FRAME WITH DENT AT BS 580 BETWEEN S-16R AND S-17R. REPAIRED FUSELAGE FRAME SECTION BS 580 BTWN S-16R AND S-17R IAW B727 SRM 51-40-3 F
- [SDR DHLA2009770AT524](https://openairdocs.org/sdr/DHLA2009770AT524), Dec 18, 2008: SKIN PANEL. CORRODED. LOWER FUSELAGE FWD CARGO COMPARTMENT SKIN WITH CORROSION FROM BS 486 TO BS 494 BETWEEN S-27R AND S28R. REPAIRED FUSELAGE SKIN SECTION FROM BS 481 TO BS 496.5 BE
- [SDR DHLA2009770AT520](https://openairdocs.org/sdr/DHLA2009770AT520), Dec 18, 2008: SEAT TRACK. CORRODED. UPPER FUSELAGE MAIN CARGO CABIN SEAT TRACK WITH CORROSION FROM BS 480 TO BS 620 RBL 45.5 OTBD FLANGE. REPLACED SEAT TRACK FROM BS 480 TO BS 690 RBL 45.5 IAW SRM
- [SDR DHLA2009770AT510](https://openairdocs.org/sdr/DHLA2009770AT510), Dec 18, 2008: FRAME. DENTED. UPPER FUSELAGE CARGO CABIN FRAME WITH DENT AT BS 640 BETWEEN S-16R AND S-17R. REPAIRED FUSELAGE FRAME SECTION BS 640 BETWEEN S-16R AND S-17R IAW B727 SRM 51-40-
- [SDR DHLA2009770AT504](https://openairdocs.org/sdr/DHLA2009770AT504), Dec 18, 2008: FRAME. DENTED. UPPER FUSELAGE CARGO CABIN FRAME WITH DENT AT BS 520 BETWEEN S-16R AND S-17R. REPAIRED FUSELAGE FRAME SECTION AT BS 520 BTWN S-16R AND S-17R IAW B727 SRM 51-40-
- [SDR DHLA2009770503](https://openairdocs.org/sdr/DHLA2009770503), Dec 18, 2008: FRAME. DENTED. UPPER FUSELAGE CARGO CABIN FRAME WITH DENT AT BS 540 BETWEEN S-16R AND S-17R. REPAIRED FUSELAGE FRAME SECTION BS 540 BETWEEN S-16R AND S-17R IAW B727 SRM 51-40-
- [SDR DHLA2009770502](https://openairdocs.org/sdr/DHLA2009770502), Dec 18, 2008: FRAME. DENTED. UPPER FUSELAGE CARGO CABIN FRAME WITH DENT BS 600 BETWEEN S-16R AND S-17R. REPAIRED FUSELAGE FRAME SECTION BS 600 BETWEEN S-16R AND S-17R IAW B727 SRM 51-40-3 F
- [SDR DHLA2009770AT514](https://openairdocs.org/sdr/DHLA2009770AT514), Dec 13, 2008: FLOORBEAM. CORRODED. LOWER FUSELAGE AFT CARGO COMPARTMENT AT BS 1130 RBL 45 FLOORBEAM LOWER FWD FLANGE WITH CORROSION. REPAIRED FUSELAGE FLOORBEAM LOWER CHORD SECTION BS 1130 BETWEE
- [SDR DHLA2009770AT523](https://openairdocs.org/sdr/DHLA2009770AT523), Dec 12, 2008: FRAME. CRACKED. LWR FUSELAGE FWD CARGO COMPARTMENT DOOR CUTOUT BS 560 AT STOP FITTING NR 1 WEB WITH CRACK. REPAIRED FRAME WEB SECTION AT BS 560 BETWEEN S-17R AND S-22R IAW SRM 
- [SDR DHLA2009770AT522](https://openairdocs.org/sdr/DHLA2009770AT522), Dec 12, 2008: FRAME. CRACKED. LWR FUSELAGE FWD CARGO COMPARTMENT DOOR CUTOUT BS 620 AT STOP FITTING NR 1 WEB WITH CRACK. REPAIRED FUSELAGE FRAME WEB SECTION AT BS 620 BETWEEN S-18R AND S-22R
- [SDR DHLA2009770AT516](https://openairdocs.org/sdr/DHLA2009770AT516), Dec 12, 2008: STRINGER. CORRODED. REF N/R 1-279 LWR FUSELAGE AFT CARGO COMPARTMENT AT BS 1010 S-29R WITH CORROSION. REPAIRED FUSELAGE S-29R SECTION FROM BS 1010 TO BS 1045 IAW SRM 53-10-3 FIG 1 
- [SDR DHLA2009770AT507](https://openairdocs.org/sdr/DHLA2009770AT507), Dec 12, 2008: STRINGER. CORRODED. LOWER FUSELAGE FWD CARGO COMPARTMENT BS 727E STRINGER END S-27R CORRODED. REPAIRED FUSELAGE S-27R SECTION FROM BS 727E TO BS 740 IAW B727 SRM 53-10-3 FIG 1 DETA
- [SDR DHLA2009770AT506](https://openairdocs.org/sdr/DHLA2009770AT506), Dec 12, 2008: WEB. DENTED. LOWER FUSELAGE NOSE W/W WEB DENTED AT BS 323 WL 181 BL 0. REPAIRED NOSE W/W WEB FROM BS 320 TO BS 325.5 BETWEEN LBL4 AND RBL 5 IAW B727 SRM 51-40-2 FIG 1.
- [SDR DHLA2009770AT512](https://openairdocs.org/sdr/DHLA2009770AT512), Dec 11, 2008: SHEAR TIE. CORRODED. LOWER FUSELAGE AFT CARGO COMPARTMENT BS 1050 BETWEEN S-26L AND S-27L SHEARTIE WITH CORROSION. REPLACED FUSELAGE SHEARTIE SECTION AT BS 1050 BETWEEN S-26L AND S-
- [SDR DHLA2009770AT509](https://openairdocs.org/sdr/DHLA2009770AT509), Dec 11, 2008: STRAP. CRACKED. LOWER FUSELAGE STABILIZER STRAP WITH CRACK AT BS 344 LBL 23 WL 201. REPAIRED STABILIZER STRAP FROM BS 324.5 TO BS 347.5 AT LBL 23 IAW B727 SRM 53-10-8 FIG 6.
- [SDR DHLA2009770AT505](https://openairdocs.org/sdr/DHLA2009770AT505), Dec 11, 2008: FRAME. DAMAGED. UPPER FUSELAGE CARGO CABIN FRAME WITH DOUBLE HOLE AT BS 1090 BETWEEN S-16L AND S-17L. REPAIRED FUSELAGE FRAME SECTION AT BS 1090 BETWEEN S-16L AND S-17L IAW B72
- [SDR DHLA2009770AT501](https://openairdocs.org/sdr/DHLA2009770AT501), Dec 11, 2008: FAILSAFE. CORRODED. UPPER FUSELAGE CARGO CABIN FRAME FAIL SAFE CHORD WITH CORROSION AT BS 1166 BETWEEN S-16R AND S-17R. REPAIRED FUSELAGE FRAME FAIL SAFE CHORD SECTION AT BS 1166 B
- [SDR DHLA2009770AT530](https://openairdocs.org/sdr/DHLA2009770AT530), Dec 10, 2008: KEELBEAM. CRACKED. LOWER FUSELAGE AIR CONDITIONING BAY AT BS 740 KEEL BEAM LOWER LEFT CHORD WITH CRACK. REPAIRED FUSELAGE LEFT SIDE KEEL BEAM LOWER CHORD AT HORIZONTAL FLANGE SECT
- [SDR DHLA 2009770AT527](https://openairdocs.org/sdr/DHLA%202009770AT527), Dec 9, 2008: SKIN PANEL. CRACKED. RIGHT WING FRONT SPAR SECTION LEADING EDGE SKIN CRACKED AT WS 491. REPAIRED RIGHT WING FIXED LEADING EDGE SKIN SECTION FROM LE STA 151.40 TO LE STA 195.65 IAW C
- [SDR DHLA2009770AT513](https://openairdocs.org/sdr/DHLA2009770AT513), Dec 9, 2008: FLOORBEAM. CORRODED. UPPER FUSELAGE CARGO CABIN AT BS 1130 BETWEEN RBL 25 AND RBL 45 FLOORBEAM UPPER AND LOWER FACE WITH CORROSION. REPAIRED FUSELAGE FLOORBEAM UPPER CHORD SECTION A
- [SDR DHLA2009770AT529](https://openairdocs.org/sdr/DHLA2009770AT529), Dec 8, 2008: FRAME. CORRODED. LOWER FUSELAGE AT BS 740 BTWN S-27L AND S-28L FRAME WITH CORROSION. REPLACED FUSELAGE CHORD SECTION AT BS 740 BTWN S-27L AND S-28L IAW B727 SRM 51-10-1 PARA 7A.
- [SDR DHLA2009770AT528](https://openairdocs.org/sdr/DHLA2009770AT528), Dec 8, 2008: FRAME. WORN. EMPENNAGE VERTICAL STABILIZER ACTUATOR LT ACCESS PANEL FRAME "T" SHAPE SUPPORT WORN AND LOOSE. REPAIRED VERTICAL STABILIZER MID SPAR CHORD SECTION FROM FIN STA 
- [SDR DHLA2009770AT525](https://openairdocs.org/sdr/DHLA2009770AT525), Dec 8, 2008: SKIN PANEL. CORRODED. LOWER FUSELAGE FWD CARGO COMPARTMENT FROM BS 560 TO BS 570 RBL 11 WL 148 SKIN WITH CORROSION. REPAIRED FUSELAGE SKIN SECTION FROM BS 557 TO BS 579 BTWN S-26R AN
- [SDR DHLA2009770AT518](https://openairdocs.org/sdr/DHLA2009770AT518), Dec 8, 2008: SKIN PANEL. DENTED. LWR FUSELAGE AT BS 509.5 BTWN S-20R AND S-21R WITH DENTS. REPAIRED FUSELAGE SKIN FROM BS 501 TO BS 512 BTWN S-19R AND S-21R IAW SRM 53-30-3 FIG 2.
- [SDR DHLA2009770AT515](https://openairdocs.org/sdr/DHLA2009770AT515), Dec 8, 2008: SKIN. DENTED. LOWER FUSELAGE FWD CARGO COMPARTMENT DOOR OUTER SKIN WITH DENT AT BS 617.5 BETWEEN BEAM 2 AND BEAM 3. REPAIRED FWD CARGO COMPARTMENT DOOR OUTER SKIN SECTION AT 
- [SDR DHLA2009770AT519](https://openairdocs.org/sdr/DHLA2009770AT519), Dec 5, 2008: SKIN PANEL. CRACKED. LOWER FUSELAGE AT BS 1218.5 RBL 10.25 SKIN CRACKED. REPLACED SKIN SECTION FROM BS 1204.25 TO BS 1232.25 BTWN BL 0 AND RBL 21 IAW SRM 51-10-01 PAR 7A.
- [SDR DHLA2009770AT511](https://openairdocs.org/sdr/DHLA2009770AT511), Dec 5, 2008: SKIN PANEL. DENTED. LOWER FUSELAGE AT BS 316 BETWEEN S-22R AND S-23R SKIN WITH DENT. REPAIRED FUSELAGE SKIN SECTION FROM BS 309.25 TO BS 323 BETWEEN S-21R AND S-24R IAW B727 SRM 53
- [SDR DHLA200800089](https://openairdocs.org/sdr/DHLA200800089), Aug 20, 2008: FIRE WARNING. FALSE ACTIVATION. FLT 549 - DURING CRUISE FLIGHT AT FL360, WHEEL WELL FIRE RED LIGHT ILLUMINATED FAINTLY FOR 1 SECOND ACCOMPANIED BY 1 DING OF THE FIRE BELL. INSPECTED AND TESTED
- [SDR DHL2007770](https://openairdocs.org/sdr/DHL2007770), Dec 6, 2007: SKIN. DELAMINATED. RT WING UPPER SURFACE HAS PANEL O/B OF APU EXH WITH 2 LARGE AREAS OF DELAMINATION APPROX W/S 224 TO 330. TWO AREAS EQUAL TO ABOUT 120 SQ IN.
- [SDR DHLA200700059](https://openairdocs.org/sdr/DHLA200700059), Oct 25, 2007: TRANSMITTER. MALFUNCTIONED. NR 2 ENG OIL TEMP GAGE REDUCED TO 0 DEG ENG OIL PRESS REDUCED TO 20 PSI OIL QUALITY GOOD COMPLETED APPROPRIATE PRECAUTIONARY ENG SHUT DOWN ENG OIL PRESSURE LIGH
- [SDR DHLA200700051](https://openairdocs.org/sdr/DHLA200700051), Oct 4, 2007: ENGINE. MALFUNCTIONED. REJECTED T/O ELP DUE TO NR 1 ENG PARAMETERS OUT OF NORMAL RANGE VS NR 2 AND NR 3 ENGS GW=147.9, SPEED EST .50 KNOTS, TEMP 29 DEGREES C PA 3950 REVERSE THRUST US
- [SDR DHLA200700036](https://openairdocs.org/sdr/DHLA200700036), Jul 23, 2007: BATTERY PACK. DISCHARGED. EMERGENCY EXIT LIGHTS (BOTH) WOULD NOT WORK DURING STBY TEST. REMOVED AND REPLACED BATTERIES IAW B727 MM 33-50-71, OPS CHECK GOOD.
- [SDR DHLA200700033](https://openairdocs.org/sdr/DHLA200700033), Jun 28, 2007: BATTERY. INOPERATIVE. DURING STBY PWR CHECK, THE EXIT LIGHTS WOULD NOT ILLUMINATE. REMOVED AND REPLACED FLIGHT COMPT AND MAIN ENTRY DOOR EMERGENCY LIGHT BATTERIES. OPS CHECKS OK IAW 
- [SDR DHL2006770517](https://openairdocs.org/sdr/DHL2006770517), Oct 16, 2006: STRINGER. CORRODED. BS 950F, STR 29R, OB STR CLIP HAS CORROSION. REMOVED FASTENERS FOR CORROSION REMOVAL IAW SRM 51-30-2. AFTER CORROSION REMOVAL IAW SRM 51-10-6 ON STR CLIP FOUND 
- [SDR DHL2006770519](https://openairdocs.org/sdr/DHL2006770519), Oct 11, 2006: TAB. DELAMINATED. LT WING, IB AILERON, TAB HAS T/E DAMAGE LWR IB SURFACE. REMOVED TAB IAW MM 27-10-11. CUT OUT DAMAGED AREA ON LWR SURFACE OF AILERON TAB APPOX 4.25 INCH BY 4.25 
- [SDR DHL2006770514](https://openairdocs.org/sdr/DHL2006770514), Oct 6, 2006: STRINGER SPLICE. CORRODED. AFT CARGO COMPARTMENT, BS 1138, STR 30, STRINGER CORROSION AT ATTACHMENT POINT C/T SHEAR TIE ANGLE. REMOVED CORROSION ON STR 30 IAW BOEING SRM 51-10-6. STR REMO
- [SDR DHL2006770518](https://openairdocs.org/sdr/DHL2006770518), Oct 2, 2006: STRINGER. GOUGED. BS 334, STR 4L HAS DEEP GOUGE ON STRINGER, ABOVE AND AFT OF L1 DOOR EXIT LIGHT. CUT OUT DAMAGED AREA APPROX SIZE 2" LENGTH IAW B727 SRM 53-10-3 FIG 1. FAB REPAI
- [SDR DHL2006770513](https://openairdocs.org/sdr/DHL2006770513), Oct 2, 2006: STRINGER. GOUGED. BS 334, STR 4L HAS DEEP GOUGE ON STRINGER, ABOVE AND AFT OF L1 DOOR EXIT LIGHT. CUT OUT DAMAGED AREA APPOX SIZE 2 INCHES LENGTH IAW SRM 53-10-3 FIG.1. FAB REPAI
- [SDR DHL2006513](https://openairdocs.org/sdr/DHL2006513), Oct 2, 2006: STRINGER. GOUGED. ASTAR NR 111564, DISCREPANCY: BS 334, STR 4L HAS DEEP GOUGE ON STRINGER, ABOVE AND AFT OF L1 DOOR EXIT LIGHT. CUT OUT DAMAGED AREA APPOX SIZE 2 INCH LENGTH IAW 
- [SDR DHL2006770507](https://openairdocs.org/sdr/DHL2006770507), Oct 2, 2006: FRAME. DENTED. AFT CARGO COMPARTMENT, BS 1130 OVER STR 26R HAS FRAME WITH UPPER CHORD DENTED IN. CUT OUT DAMAGED AREA APPROX SIZE 1.875" BY 1.0" IAW B727 SRM 51-40-3 FIG 1. FA
- [SDR DHL2006770508](https://openairdocs.org/sdr/DHL2006770508), Oct 2, 2006: FRAME. CORRODED. AFT CARGO COMPARTMENT, BS 970, BETWEEN STR 28R AND 29R, FRAME LWR FLANGE BLOWN-UP WITH CORROSION. REMOVED FLOOR SUPPORT, VERTICAL STIFFENERS AND ANGLES FOR ACCE
- [SDR DHL2006770511](https://openairdocs.org/sdr/DHL2006770511), Sep 30, 2006: STRINGER. CORRODED. DISCREPANCY: FORWARD CARGO COMPARTMENT, BS 660, STR 28L, CORROSION ON STR 28L. REMOVED CORROSION AT STR, MATERIAL LOSS IS .022, ORIGINAL MATERIAL THICKNESS .063
- [SDR DHL2006770506](https://openairdocs.org/sdr/DHL2006770506), Sep 30, 2006: FRAME. DENTED. FORWARD CARGO COMPARTMENT, BS 720C, STR 26R, DENT IN FRAME RADIUS. CUT OUT DAMAGED AREA SIZE 1.50 INCH BY 1.50 INCH IAW SRM 51-40-3 FIG 1. FAB DOUBLER WITH 7075
- [SDR DHL2006770504](https://openairdocs.org/sdr/DHL2006770504), Sep 30, 2006: FRAME. DENTED. FORWARD CARGO COMPARTMENT, BS 660, STR 27R, DENT IN FRAME RADIUS. CUT OUT DAMAGED AREA SIZE 1.25" BY 1.625" IAW B727 SRM 51-40-3 FIG 1. FAB DOUBLER WITH 7075-0,
- [SDR DHL2006770510](https://openairdocs.org/sdr/DHL2006770510), Sep 30, 2006: FRAME. DENTED. FORWARD CARGO COMPARTMENT BS 680, STR 26R, DENT IN FRAME RADIUS. CUT OUT DAMAGED AREA IAW SRM 51-40-3 FIG.1. FABRICATED DOUBLER IAW SRM 53-10-2 FIG.3 AND 51-40-
- [SDR DHL2006770505](https://openairdocs.org/sdr/DHL2006770505), Sep 30, 2006: STRINGER. CORRODED. FORWARD CARGO COMPARTMENT, BS 660, STR 28L, CORROSION ON STR 28L. REMOVED CORROSION AT STR, MATERIAL LOSS IS .022, ORIGINAL MATERIAL THICKNESS .063 AND MATERIAL
- [SDR DHL2006770503](https://openairdocs.org/sdr/DHL2006770503), Sep 30, 2006: FRAME. DENTED. FORWARD CARGO COMPARTMENT BS 680, STR 26R, DENT IN FRAME RADIUS. CUT OUT DAMAGED AREA IAW B727 SRM 51-40-3 FIG 1. FAB DOUBLER WITH 7075-0, .071, SIZE 15 INCHES 

All 78: https://openairdocs.org/deregistered/N770AT-2017-10-31/reports.md

## NTSB investigations (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB CHI97IA205](https://openairdocs.org/ntsb/CHI97IA205), Jul 9, 1997: Boeing B-727-200 (N770AT), Indianapolis, IN, incident, minor damage. Probable cause: the improper installation of the incorrect spherical bearing by the company's maintenance personnel. A factor was the improper plating of the trunnion with chromium by the landing gear overhaul…

## 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 19970709028459I](https://openairdocs.org/incident/19970709028459I), Jul 9, 1997: Boeing 7272B7 (N770AT), Indianapolis, IN, Minor damage. On July 9, 1997, at approximately 0840 EST, a Boeing 727, registered to first security bank, na, trustee, operated by American trans air (amta), while parked…

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