# N766NC: 1977 Mcdonnell Douglas DC-9-51, registration cancelled 2014-06-17

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 17, 2014
- Status when cancelled: Valid registration
- Airframe: [Mcdonnell Douglas DC-9-51](https://openairdocs.org/model/mcdonnell-douglas-dc-9-51) (registry code 3022051)
- Engine: [Pratt & Whitney JT8D-9 series](https://openairdocs.org/engine/pratt-whitney-jt8d-9-series) (registry code 52048)
- Data sheets: [TCDS A6WE](https://openairdocs.org/tcds/A6WE), [TCDS E2EA](https://openairdocs.org/tcds/E2EA) (OpenAirDocs)
- Serial number: 47739
- Year built: 1977
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-jet
- Airworthiness: Standard, transport
- Airworthiness date: March 25, 1977
- Certificate issued: December 31, 2009
- Last registry action: May 10, 2013
- Mode S code: AA5901
- Owner when cancelled: [Delta Air Lines Inc](https://openairdocs.org/faa-owner/DELTA%20AIR%20LINES%20INC)
- Location: [Atlanta, GA](https://openairdocs.org/faa-place/GA/Atlanta)
- Owner type: Corporation
- Owner's area on the map: 33.6604° N, 84.3865° W: Placed by OpenAirDocs at the center of ZIP code 30354, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N766NC
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=766NC
- Page: https://openairdocs.org/deregistered/N766NC-2014-06-17

From the FAA registry file of November 3, 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 Mcdonnell Douglas DC-9-51: https://openairdocs.org/model/mcdonnell-douglas-dc-9-51.md

## Service difficulty reports (206, newest 50)

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

- [SDR DALA13043040857](https://openairdocs.org/sdr/DALA13043040857), Aug 30, 2013: POWER SUPPLY. INOPERATIVE. EMERGENCY CEILING LIGHT INOPERATIVE AT ROW 20,21,AND 22. R & R POWER SUPPLY IAW AMM 33-53. OPS CHECKED NORMAL.
- [SDR DALA13025840857](https://openairdocs.org/sdr/DALA13025840857), May 23, 2013: ANGLE. DAMAGED. RT PYLON LOWER SURFACE ANGLE INBD OF AFT ENGINE MOUNT VIBRATION ISOLATOR CRACKED, SIX PULLED RIVETS, TWO LOOSE RIVETS. REMOVED ANGLE, TRIMMED OUT DAMAGE AND ACC
- [SDR DALA13025090857](https://openairdocs.org/sdr/DALA13025090857), May 23, 2013: POWER SUPPLY. INOPERATIVE. EMERGENCY LIGHTS ROWS 23-26 FAILED TO ILLUMINATE. REPLACED FAULTY EMERGENCY POWER SUPPLY IAW AMM 33-53. OPS CHECKED NORMAL. OK FOR SERVICE.
- [SDR DALA13023950857](https://openairdocs.org/sdr/DALA13023950857), May 17, 2013: FRAME. CRACKED. AFT PRESSURE BULKHEAD FORMER AT LONGERON 14L CRACKED. INSTALLED DOUBLERS IAW SRM 53-01.
- [SDR DALA13023940857](https://openairdocs.org/sdr/DALA13023940857), May 17, 2013: BULKHEAD. CRACKED. AFT PRESSURE BULKHEAD FORMER AT LONGERON 12L LWR SKIN CRACKED ON AFT WALL. VERIFIED CRACK WITH HFEC IAW NDT SPM 06-10-01.001. STOP DRILLED CRACK IAW SRM 53-01. 
- [SDR DALA13024590857](https://openairdocs.org/sdr/DALA13024590857), May 9, 2013: TEE FITTING. CRACKED. TEE FITTING CRACKED AT L14 BS 1167. REMOVED & INSTALLED NEW TEE FITTING IAW SRM 53-03.
- [SDR DALA13024600857](https://openairdocs.org/sdr/DALA13024600857), May 4, 2013: FRAME. CRACKED. AFT PRESSURE BULK HEAD FRAME CRACKED. APB FRAME REPLACED IAW EM 5310-01203-04E.
- [SDR DALA13012670857](https://openairdocs.org/sdr/DALA13012670857), Mar 20, 2013: BATTERY PACK. INOPERATIVE. EMERGENCY EXIT SIGN AND FIVE SEAT MOUNTED LIGHTS INOPERATIVE. FOUND BATTERIES DEAD. REPLACED BATTERY PACK. OPS CHECKED GOOD IAW AMM 33-53-00. OK FOR SERVICE.
- [SDR DALA13004670857](https://openairdocs.org/sdr/DALA13004670857), Jan 25, 2013: POWER SUPPLY. INOPERATIVE. SEAT 19-22, EMERGENCY LIGHTS INOPERATIVE. REPLACED POWER SUPPLY AT AFT RT OVERWING EMERGENCY EXIT IAW AMM 33-53. OPS CHECK GOOD.
- [SDR DALA12016820857](https://openairdocs.org/sdr/DALA12016820857), Dec 13, 2012: ATTACH FITTING. DAMAGED. LEFT MLG RETRACT ACTUATOR ATTACH FITTING, BORE AND FACE DAMAGED. MACHINED BORE AND FACE TO REMOVE DAMAGE. BORE WITHIN LIMITS BUT FACE IS NOT IAW AA CARD 5740-01
- [SDR DALA1256899857](https://openairdocs.org/sdr/DALA1256899857), Dec 13, 2012: SUPPORT FITTING. DAMAGED. LT MAIN GEAR SUPPORT FITTING BORE AND FACE DAMAGED. REPAIRED IAW ER/A 509731-14AD, REV ORIG.
- [SDR DALA12006330857](https://openairdocs.org/sdr/DALA12006330857), Sep 4, 2012: SKIN. DAMAGED. LT ELEVATOR UPPER OTBD SKIN HAS A LIGHTNING STRIKE. REMOVED DAMAGE (CUT-OUT) ON LT ELEVATOR UPPER OTBD SKIN, FABRICATED REPAIR DOUBLER FROM CLAD 2024-T3 AND REW
- [SDR DALA12006270857](https://openairdocs.org/sdr/DALA12006270857), Aug 31, 2012: SKIN. DAMAGED. FWD CARGO DOOR HAS OUTER EDGE DAMAGE, WEAR, GOUGES, AND BENDS. DAMAGE ON FWD LWR CARGO DOOR OUTER SKIN FOUND TO BE OUT OF LIMITS IAW MD-88 SRM 52-01 PG 6. PERFO
- [SDR DALA12006120857](https://openairdocs.org/sdr/DALA12006120857), Aug 30, 2012: DOOR FRAME. CORRODED. FWD CARGO COMPARTMENT DOOR CUT OUT LOWER FRAME HAS SURFACE CORROSION. REPAIRED FWD CARGO COMPARTMENT DOOR CUT OUT LOWER FRAME.
- [SDR DALA12006100857](https://openairdocs.org/sdr/DALA12006100857), Aug 21, 2012: DOOR FRAME. CRACKED. DURING EDDY CURRENT INSPECTION FWD SERVICE DOOR JAMB FORWARD UPPER CORNER SECT 01B, CRACK INDICATIONS (1 ON SKIN, 2 SUB-SURFACE) WERE DETECTED EMANATING FROM FA
- [SDR DALA12006110857](https://openairdocs.org/sdr/DALA12006110857), Aug 17, 2012: SPAR. CRACKED. RIGHT WING REAR SPAR XRS 137, WEB HAS CRACK AT TOP OF LIGHTENING HOLE. REMOVED RT FLAP FORWARD MOVABLE VANE FOR ACCESS, REMOVED DAMAGED WEB ASSEMBLY AT RT WING 
- [SDR DALA12001780857](https://openairdocs.org/sdr/DALA12001780857), Jun 18, 2012: BATTERY PACK. INOPERATIVE. DURING LINE CHECK, MAINTENANCE FOUND THE EMERGENCY ESCAPE LIGHTS IN THE TAIL COMPARTMENT TO BE INOPERATIVE. MAINTENANCE REPLACED THE BATTERY PACK AND THE LIGHT 
- [SDR DALA1219739857](https://openairdocs.org/sdr/DALA1219739857), Mar 29, 2012: BATTERY. DISCHARGED. DURING LINE CHECK, MAINTENANCE FOUND THAT THE EMERGENCY PATHWAY LIGHTING IN ROWS 5-8 AND 23-26 OF THE CABIN WERE INOPERATIVE. MAINTENANCE REPLACED THE BATTERIES
- [SDR DALA1135919857](https://openairdocs.org/sdr/DALA1135919857), May 21, 2011: COALESCER BAG. DIRTY. ENROUTE, FLIGHT DIVERTED, DUE TO A PERSISTENT HOT PLASTIC BURNING ODOR IN THE FORWARD GALLEY BETWEEN MAIN DOOR AND FORWARD LAVATORY. THERE WAS NO VISUAL CONFIRM
- [SDR DALA1123319857](https://openairdocs.org/sdr/DALA1123319857), Apr 1, 2011: CONNECTOR. DISCONNECTED. DURING LINE CHECK, MAINTENANCE FOUND THAT THE EMERGENCY PATHWAY LIGHTING BY THE GALLEY CLOSET AREA WAS INOPERATIVE. MAINTENANCE FOUND A CONNECTOR BEHIND THE POW
- [SDR DALA1123159857](https://openairdocs.org/sdr/DALA1123159857), Mar 28, 2011: OUTFLOW VALVE. UNRESPONSIVE. FLIGHT DIVERTED TO BUF WITH A LOSS OF CABIN PRESSURIZE. AT FL330, CABIN WAS CLIMBING 2KFT/MIN AND THE OUTFLOW VALVE SEEMED UN-RESPONSIVE. CREW COMPLIED WITH QRH
- [SDR DALA1113669857](https://openairdocs.org/sdr/DALA1113669857), Feb 24, 2011: PAN. CORRODED. 1D/29 FWD CARGO COMPT CARGO DOOR LOWER JAMB PAN HAS EXFOLIATED CORROSION ON SEVERAL AREAS. REMOVED CORROSION FOUND TO BE OUT OF LIMITS IAW DC9 SRM 53-01 FIG 1 A
- [SDR DALA1113659857](https://openairdocs.org/sdr/DALA1113659857), Feb 24, 2011: INTERCOSTAL. CRACKED. 1D/111 FORWARD CARGO COMPT STA 503-522 RBL 48 INTERCOSTAL IN TUNNEL AREA IS CRACKED AND INBD WATER TANK SUPPORT BRACKET HAS 3 SHEARED FASTENERS. REMOVED INTERCO
- [SDR DALA1113639857](https://openairdocs.org/sdr/DALA1113639857), Feb 24, 2011: FRAME. CRACKED. 1F/46 AFT ACCESSORY COMPARTMENT CANTED FRAME 1303 AT RT LOWER END IS CRACKED. REMOVED DAMAGED AREA 1"X1" NDTHFEC USING A2469 ZETEC PER NDT SPM FOUND CRACK FREE 
- [SDR DALA1112519857](https://openairdocs.org/sdr/DALA1112519857), Feb 21, 2011: CARGO TRACK. CORRODED. FORWARD CARGO COMPT RT SIDE TIEDOWN TRACK BETWEEN FUS STA 218 AND STA 370 HAS CORROSION. REMOVED CORROSION IAW DC9 SRM53-01 FIG 1 ORIG MAT'L .100 REMOVED .027 .
- [SDR DALA1112259857](https://openairdocs.org/sdr/DALA1112259857), Feb 21, 2011: CHANNEL. CRACKED. LT MLG W/W DOOR INTERIOR SIDE FWD ZEE CHANNEL IS CRACKED AT INBD END. REMOVED CHANNEL IAW DC-9 SRM 51-30-2, 51-30-5 AND 51-30-6. LOCATED DRILLED AND INSTALLED N
- [SDR DALA1112499857](https://openairdocs.org/sdr/DALA1112499857), Feb 18, 2011: FLOORBEAM. CORRODED. AFT CARGO COMPARTMENT STA 1167 RBL 50 UPPER FLOORBEAM HAS CORROSION. REMOVED CORROSION FOUND OUT OF LIMITS. REMOVED CORRODED FLOORBEAM ANGLE FABRICATED REPAIR P
- [SDR DALA1112539857](https://openairdocs.org/sdr/DALA1112539857), Feb 15, 2011: SKIN. DAMAGED. FUSELAGE EXTERIOR STA 475 L27L FASTENER HOLE IN SKIN TORN OUT. REMOVED DAMAGED IAW BOEING DOC NR 5609530001 M1 MAT ID FILLER IAW DC9 SRM 53-30-0 FIG 2 SHT 1 AND
- [SDR DALA1112529857](https://openairdocs.org/sdr/DALA1112529857), Feb 15, 2011: SKIN. DAMAGED. FUSELAGE EXTERIOR STA 489 L27L FASTENER HOLE IN SKIN TORN OUT. REMOVED DAMAGE IAW BOEING DOCUMENT NR 5609530001 M1 NDT NO DAMAGE INDICATION NOTED. MAT ID FILLER
- [SDR DALA1110899857](https://openairdocs.org/sdr/DALA1110899857), Feb 14, 2011: FLOOR SUPPORT. CORRODED. MAIN PASSENGER CABIN STA 237, RBL 14 FLOOR SUPPORT CORRODED. REMOVED CORROSION FOUND TO BE OUT OF LIMITS ORIGINAL MAT .050, REMOVED .049, REMAIN .001 RECEIVED M
- [SDR DALA1110489857](https://openairdocs.org/sdr/DALA1110489857), Feb 13, 2011: SKIN. DENTED. DURING CURRENT M-CHECK DENTS WERE FOUND ON FUSELAGE SKIN LOCATED BETWEEN STA 1380 TO STA 1401, AND BETWEEN S-27R AND S-29L. ER/A 489003-14 SECTION I ACCOMPLISHE
- [SDR DALA1110469857](https://openairdocs.org/sdr/DALA1110469857), Feb 13, 2011: FITTING. CORRODED. FORWARD CARGO COMPARTMENT STA 360 BETWEEN L27R AND L28R TIE DOWN TRACK FITTING HAS CORROSION. REMOVED AND REPLACED TIE DOWN CLIP HAD 100% MATERIAL LOSS IAW DC 9
- [SDR DALA1110399857](https://openairdocs.org/sdr/DALA1110399857), Feb 12, 2011: FLOOR PANEL. CRACKED. MAIN PASSENGER CABIN FLOOR PANEL 41 HAS APPROX 10EA CRACKS. FOUND FLOOR PANEL 41 UNREPAIRABLE. FABRICATED NEW PANEL. IDENTIFIED PANEL AS PERMANENT STENCILED PAN
- [SDR DALA1110329857](https://openairdocs.org/sdr/DALA1110329857), Feb 12, 2011: DOOR FRAME. CORRODED. FUSELAGE EXTERIOR FORWARD AIR STAIR DOOR FRAME INTERIOR HAS CORROSION. REMOVED AND REPLACED DOOR FRAME IAW DC-9 SRM 51-30-1 AND 51-30-2. REMOVED AND INSTALLED D
- [SDR DALA1110389857](https://openairdocs.org/sdr/DALA1110389857), Feb 11, 2011: FLOOR PANEL. DAMAGED. MAIN PAX CABIN FLOOR PANEL 81 HAS SEVERAL ELONGATED FASTENERS HOLES AT FWD FLANGE BS 851. REMOVED PANEL FOUND UNREPAIRABLE. FABRICATED ALODINED AND PRIMED NEW F
- [SDR DALA1110379857](https://openairdocs.org/sdr/DALA1110379857), Feb 11, 2011: FLOOR PANEL. CRACKED. MAIN PAX CABIN FLOOR PANEL 60D HAS 3EA CRACKS AT RIVET HOLES AND PULLED THROUGH RIVETS BS 674. REMOVED FOUND TO BE UNREPAIRABLE FABRICATED ALODINED AND PRIMED N
- [SDR DALA1110369857](https://openairdocs.org/sdr/DALA1110369857), Feb 11, 2011: FLOOR PANEL. DAMAGED. MAIN PASSENGER CABIN FLOOR PANEL 101 AFT END 3EA ELONGATED HOLES. FABRICATED NEW FLOOR PANEL 101 FROM ER/A 488734-14. LOCATED DRILLED COUNTERSINK HOLES IAW DC9 
- [SDR DALA1110359857](https://openairdocs.org/sdr/DALA1110359857), Feb 11, 2011: FLOOR PANEL. CORRODED. MAIN CABIN METAL SKIN FLOOR PANEL 84 HAS CORROSION AROUND FASTENER HOLES. REMOVED CORROSION FOUND PANEL TO BE OUT OF LIMITS IAW DC9 SRM 53-01 FIG 1. ORG THICKNE
- [SDR DALA1110349857](https://openairdocs.org/sdr/DALA1110349857), Feb 11, 2011: FLOOR PANEL. CORRODED. MAIN CABIN METAL SKIN FLOOR PANEL 5 HAS CORROSION ON SKIN. REMOVED CORROSION IAW DC9 SRM 53-01 FIG 1 SHT 3 OUT OF LIMITS. FABRICATED IAW DWG 9957808 FABRICATED 
- [SDR DALA1110339857](https://openairdocs.org/sdr/DALA1110339857), Feb 11, 2011: FLOOR PANEL. TORN. MAIN PAX CABIN FLOOR PANEL 60B HAS 1EA TEAR AND SEVERAL PULL THROUGH RIVETS BS 617. REMOVED FLOOR PANEL IAW DC9 SRM 51-30-5. PANEL FOUND TO BE BEYOND REPAIR. OB
- [SDR DALA1109979857](https://openairdocs.org/sdr/DALA1109979857), Feb 10, 2011: DOUBLER. CORRODED. FWD CARGO COMPARTMENT, STA 674-697, L28L-L28R INTERNAL DOUBLER CORRODED. GAINED ACCESS, R & R INTERNAL DOUBLER AND RESTORED ACCESS IAW SRM 51-30-1, 51-30-5, AND
- [SDR DALA1109969857](https://openairdocs.org/sdr/DALA1109969857), Feb 10, 2011: SKIN. CRACKED. FUSELAGE EXTERIOR FWD PASSENGER DOOR JAMB AFT UPPER DOOR STOP SKIN HAS APPROX .250 INCH CRACK RUNNING AFT OF DOOR STOP REF SR09530252-7001 DWG FOR REPAIR. REMOV
- [SDR DALA1109929857](https://openairdocs.org/sdr/DALA1109929857), Feb 10, 2011: FLOOR PANEL. CRACKED. MAIN PASSENGER CABIN FLOOR PANEL NR 75 HAS 1EA CRACKED AT INBD FLANGE AND 1EA ELONGATED HOLE BS775, CORRECTED. FABRICATED FLOOR PANEL 75..
- [SDR DALA1109919857](https://openairdocs.org/sdr/DALA1109919857), Feb 10, 2011: FLOOR PANEL. CRACKED. MAIN CABIN METAL SKIN FLOOR PANEL NR 60A HAS 4 EA HAT CHANNELS CRACKED. FABRICATED FLOOR PANEL 60A IAW ER/A 488737-14 REV ORG P214, CORRECTED.
- [SDR DALA1109899857](https://openairdocs.org/sdr/DALA1109899857), Feb 10, 2011: FRAME. CRACKED. AFT ACCESSORY COMPARTMENT CANTED FRAME 1245 CRACKED AT FASTENER HOLE L4L. REMOVED DAMAGED CANTED FRAME 1245 IAW SRM 51-30-2 & 51-30-5. LOCATED, DRILLED, & INSTA
- [SDR DALA1109539857](https://openairdocs.org/sdr/DALA1109539857), Feb 9, 2011: FLOOR PANEL. CORRODED. MAIN METAL SKIN FLOOR PANEL, NR 67 HAS CORROSION AROUND EDGES. RECEIVED 1EA NEW FLOOR PANEL NR 67 & IAW SRM 53-23-0. DRILLED UP IAW SRM 51-10-4. INSTALLED, 1EA 
- [SDR DALA1109529857](https://openairdocs.org/sdr/DALA1109529857), Feb 9, 2011: FLOOR PANEL. CORRODED. MAIN CABIN METAL SKIN FLOOR PANEL NR 63 HAS CORROSION ON OTBD EDGE. RECEIVED FLOOR PANEL NR 63 IAW SRM 53-23-0, FIG 4 INSTALLED 1EA NEW FLOOR PANEL NR 63.
- [SDR DALA1109519857](https://openairdocs.org/sdr/DALA1109519857), Feb 9, 2011: FLOOR PANEL. CORRODED. MAIN CABIN METAL SKIN FLOOR PANEL NR 30 HAS CORROSION ON SKIN PREVIOUS REPAIR. REMOVED PANEL NR 30 FROM CABIN FLOOR IAW SRM 51-30-1. FABRICATED FLOOR PANEL NR 3
- [SDR DALA1109509857](https://openairdocs.org/sdr/DALA1109509857), Feb 9, 2011: FLOOR PANEL. CORRODED. MAIN CABIN METAL SKIN FLOOR PANEL NR 27 HAS CORROSION ON SKIN. FOUND DAMAGED BEYOND REPAIR IAW SRM 53-01, FIG 1. FABRICATED 1EA FLOOR PANEL IAW DWG 9957919 & ER
- [SDR DALA1109499857](https://openairdocs.org/sdr/DALA1109499857), Feb 9, 2011: FLOOR PANEL. BENT. MAIN PASSENGER CABIN FLOOR PANEL NR 85 IS BENT AT FWD FLANGE, BS 851. REMOVED PANEL NR 85 IAW SRM 51-30-1, CUTOUT DAMAGE IAW SRM 53-05, FIG 2. FABRICATED DOUBLE

All 206: https://openairdocs.org/deregistered/N766NC-2014-06-17/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 CHI00IA009](https://openairdocs.org/ntsb/CHI00IA009), Oct 14, 1999: McDonnell Douglas DC-9-51 (N766NC), Chicago, IL, incident, no damage. Probable cause: The landing gear's wheel separation due to the improper installation of the wheel by company maintenance personnel using incomplete maintenance steps, and the maintenance steps not listed in the…

## FAA accident and incident reports (4)

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 19960202002859I](https://openairdocs.org/incident/19960202002859I), Feb 2, 1996: Doug DC9 (N766NC), Memphis, TN. Narrative: on feb. 2, 1996 at 7:08 pm CDT, nwal DC-9 aircraft N766NC landed on Memphis, TN runway 36C and made a normal turn to taxiway e. turning slow from a…
- [Incident 19860929065949I](https://openairdocs.org/incident/19860929065949I), Sep 29, 1986: Doug DC951 (N766NC), Ft Smith, AR. Passenger discarded a lighted cigarette in trash container in aft lavatory. Smoke detector went off. Fire put out.
- [Incident 19850123005459I](https://openairdocs.org/incident/19850123005459I), Jan 23, 1985: Doug DC951 (N766NC), Boston, MA. Pilot returned for landing because of unsafe nose gear indication. Inspected, serviced strut, returned to service.
- [Incident 19841030075379I](https://openairdocs.org/incident/19841030075379I), Oct 30, 1984: Doug DC951 (N766NC), Romulus, MI, Substantial damage. During turn between concours tail struck another parked DC9. Company had changed arrival gate.

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