# N779NC: 1979 Mcdonnell Douglas DC-9-51, registration cancelled 2017-05-16

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 16, 2017
- 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-17 series](https://openairdocs.org/engine/pratt-whitney-jt8d-17-series) (registry code 52049)
- Data sheets: [TCDS A6WE](https://openairdocs.org/tcds/A6WE), [TCDS E2EA](https://openairdocs.org/tcds/E2EA) (OpenAirDocs)
- Serial number: 48101
- Year built: 1979
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-jet
- Airworthiness: Standard, transport
- Airworthiness date: December 7, 1979
- Certificate issued: December 31, 2009
- Last registry action: April 7, 2016
- Mode S code: AA8BA5
- 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/N779NC
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=779NC
- Page: https://openairdocs.org/deregistered/N779NC-2017-05-16

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 Mcdonnell Douglas DC-9-51: https://openairdocs.org/model/mcdonnell-douglas-dc-9-51.md

## Service difficulty reports (165, newest 50)

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

- [SDR DALA13037350870](https://openairdocs.org/sdr/DALA13037350870), Jul 31, 2013: WIRE. BROKEN. SEAT MOUNTED EMERGENCY LIGHT AT 6DE INOPERATIVE. FOUND BROKEN WIRE AND REPAIRED IAW CHAPTER 20 WSPM AND EWIS.
- [SDR DALA13000860870](https://openairdocs.org/sdr/DALA13000860870), Jan 10, 2013: WIRE. BROKEN. EMERGENCY LIGHT BLACK WIRE BROKEN & HANGING LOOSE UNDER SEAT 9F. SECURED BROKEN WIRE IAW SWPM 20-20-03. OPS CHECKED NORMAL. OK FOR SERVICE.
- [SDR DALA12013490870](https://openairdocs.org/sdr/DALA12013490870), Nov 19, 2012: CONNECTOR. UNSECURE. EMERGENCY PATHWAY LIGHT INOPERATIVE AT SEAT 6R. SECURED CONNECTOR UNDER SEAT. CHECKED GOOD.
- [SDR DALA12005370870](https://openairdocs.org/sdr/DALA12005370870), Aug 15, 2012: SLIDE. UNSERVICEABLE. DURING LINE CHECK, MAINTENANCE FOUND THE 1R DOOR SLIDE PRESSURE READING ZERO. MAINTENANCE REPLACE THE DOOR SLIDE AND RETURNED THE AIRCRAFT TO SERVICE.
- [SDR DALA12000490870](https://openairdocs.org/sdr/DALA12000490870), May 25, 2012: FASTENER. LOOSE. DURING LINE CHECK, MAINTENANCE FOUND THE LOCK FASTENER LOOSE ON THE TAIL CONE DOOR HATCH. MAINTENANCE REPLACED THE RECEPTICAL, SECURED THE FASTENER AND RETURNED
- [SDR DALA1170639870](https://openairdocs.org/sdr/DALA1170639870), Dec 20, 2011: BATTERY. DISCHARGED. EMERGENCY EGRESS AISLE LIGHTS INOP AT ROWS 19, 20, 21, 22 AND 2R LOWER EXIT SIGN. REPLACED POWER SUPPLY BATTERIES, CHECKS OK.
- [SDR DALA1167049870](https://openairdocs.org/sdr/DALA1167049870), Dec 4, 2011: LIGHT. INOPERATIVE. EMERGENCY EGRESS AISLE LIGHTS INOP AT ROWS 13, 14 AND 16. REPLACED AISLE LIGHT ASSEMBLY, CHECKS OK.
- [SDR DALA1160479870](https://openairdocs.org/sdr/DALA1160479870), Oct 26, 2011: BATTERY PACK. DISCHARGED. DURING EMERGENCY LIGHT TEST FOUND PATH LIGHT ROW 9 TO ROW 13 AND FORWARD OVER WING EXIT SIGN INOP. THE BATTERY PACK AND FUSE WERE REPLACED AND TESTS OK.
- [SDR DALA1154699870](https://openairdocs.org/sdr/DALA1154699870), Sep 19, 2011: CONNECTOR. DISCONNECTED. DURING SERVICE CHECK, MAINTENANCE FOUND EMERGENCY ESCAPE PATH LIGHTING AT ROW 17 INOPERATIVE. MAINTENANCE RECONNECTED THE ROW 17 EMERGENCY ESCAPE PATH LIGHT WIR
- [SDR DALA1125959870](https://openairdocs.org/sdr/DALA1125959870), Apr 15, 2011: POWER SUPPLY. INOPERATIVE. DURING LINE CHECK, MAINTENANCE FOUND THAT THE EMERGENCY EXIT IDENTIFIER AT THE MAIN CABIN DOOR WAS INOPERATIVE. MAINTENANCE REPLACED THE EMERGENCY LIGHT POWER S
- [SDR DALA1123829870](https://openairdocs.org/sdr/DALA1123829870), Apr 1, 2011: CUSP WEB. DAMAGED. MAIN PASSENGER CABIN R1 DOOR PAN REQUIRE CUT FOR R1 DOOR CUSP REPAIR. CUT OUT DOOR PAN IAW DC-9 SRM 53-05 FIG 55. RECEIVED NEW PAN PN 5912492-1. LOCATED, DRILLE
- [SDR DALA1123819870](https://openairdocs.org/sdr/DALA1123819870), Apr 1, 2011: DOOR FRAME. DAMAGED. MAIN PASSENGER CABIN FWD SERVICE DOOR JAMB REPAIR 53-05 FIG 55 DOOR SPLICE -43 SPLICE HOLES FALL IN RADIUS. FAB -43 SPLICE FROM MAT .071 2024-0. HEAT TREATED TO
- [SDR DALA1123809870](https://openairdocs.org/sdr/DALA1123809870), Apr 1, 2011: CUSP WEB. CORRODED. MAIN CABIN CUSP ANGLE UNDER R-1 DOOR PAN HAS CORROSION. LOSS OUT OF LIMITS IAW DC-9 SRM 51-10-3. REMOVED CUSP ANGLE FROM STA 164-227 RBL 59. LOCATED AND DRILLED
- [SDR DALA1123799870](https://openairdocs.org/sdr/DALA1123799870), Apr 1, 2011: FLOOR PANEL. CORRODED. CORROSION ON CABIN FLOOR PNL 21. REMOVED CORROSION IAW DC9 SRM 51-10-3 FIG 1. AFTER BLEND THICKNESS IS .005, OUT OF LIMITS IAW DC9 SRM 53-01. CUT OUT DAMAGE IAW
- [SDR DALA1123499870](https://openairdocs.org/sdr/DALA1123499870), Mar 31, 2011: FLOOR PANEL. CRACKED. MAIN CABIN FLOOR PANEL 97 IS CRACKED AT FASTENER HOLE AFT END OF PANEL. REMOVED DAMAGE AT AFT END OF PNL IAW SRM 53-01, FIG 4. HFEC INSP IAW NDT SPM 06-10-01.00
- [SDR DALA1123049870](https://openairdocs.org/sdr/DALA1123049870), Mar 29, 2011: CHANNEL. BROKEN. MAIN PASSENGER CABIN FLOOR PANEL 70 AFT END HAT CHANNEL BROKEN AT FASTENER HOLE. REMOVED & REPLACED 4 EA HAT CHANNELS IAW DC-9 SRM 51-30-2 & ERA 490831-14. REMO
- [SDR DALA1123019870](https://openairdocs.org/sdr/DALA1123019870), Mar 29, 2011: FLOOR PANEL. CORRODED. MAIN CABIN FLOOR PANEL 37 HAS CORROSION ON TOP OF PANEL. REMOVED CORR. 6X1 INCH IAW DC-9 SRM 53-01 FIG 1 AND CARD 5100-01570-01. ORIG MATERIAL .020 REMOVED .013
- [SDR DALA1122789870](https://openairdocs.org/sdr/DALA1122789870), Mar 28, 2011: FLOOR PANEL. CRACKED. MAIN CABIN FLOOR PANEL 60C HAS 4EA HAT CHANNELS CRACKED ON BOTTOM OF PANEL. REMOVED 5EA HAT CHANNELS IAW SRM 51-30-2. FOUND WEB CRACKED, FABRICATED, LOCATED, DR
- [SDR DALA1122739870](https://openairdocs.org/sdr/DALA1122739870), Mar 28, 2011: FRAME. CRACKED. AFT ACCESSORY COMPARTMENT CANTED FRAME 1243 IS CRACKED AT L4R. REMOVED CANTED FRAME AT STA 1243 IAW DC-9 SRM 51-30-5 AND 51-30-2. LOCATED AND DRILLED NEW FRAME 
- [SDR DALA1122539870](https://openairdocs.org/sdr/DALA1122539870), Mar 27, 2011: FLOOR PANEL. DAMAGED. MAIN PASSENGER CABIN FLOOR PANEL 72 TOP SKIN HOLE PUNCH CUTOUT DAMAGE IAW DC9 SRM 53-01. HFEC INSP IAW NDT SPM 06-10-01.001. NO CRACKS NOTED. FABRICATED FILLER 
- [SDR DALA1122459870](https://openairdocs.org/sdr/DALA1122459870), Mar 27, 2011: KEELBEAM. CORRODED. LEFT KEEL AREA STA 712 BETWEEN L29L AND L30 FRAME HAS CORROSION. REMOVED CORROSION IAW DC9 SRM 51-10-3. 100 PERCENT MATERIAL LOSS. REMOVED FRAME IAW DC-9 SRM 51
- [SDR DALA1122569870](https://openairdocs.org/sdr/DALA1122569870), Mar 26, 2011: SUPPORT BRACKET. CRACKED. MAIN CABIN STATION 200 L4L CRACKED. REMOVED L4L STA 160-228 AND 2 EA SPLICES STA 160-180 & 116-228. INTERCOSTAL SUPPORT BRACKET AND ATTACHMENT CLIP TO GO IN ACC
- [SDR DALA1122529870](https://openairdocs.org/sdr/DALA1122529870), Mar 25, 2011: CUSP WEB. CRACKED. MAIN CABIN STA 1132 LBL 44 LEFT SIDE CUSP WEB CRACKED APPROX 2 INCHES UNDER SEAT TRACK. REMOVED DAMAGED AREA 12"X 12". NDT VERIFIED DAMAGE REMOVED IAW NDT SPM 0
- [SDR DALA1122509870](https://openairdocs.org/sdr/DALA1122509870), Mar 25, 2011: LONGERON. CRACKED. MAIN CABIN STATION 200 LONGERON L2L CRACKED. REMOVED 32 INCHES OF L2L & 2 EA SPLICES. REMOVED CENTER AC DUCT STA 180 FOR ACCESS. RECEIVED NEW CAST FORM MAT P/N 
- [SDR DALA1121939870](https://openairdocs.org/sdr/DALA1121939870), Mar 24, 2011: FLOOR SUPPORT. CORRODED. MAIN CABIN STA 200 RBL 47 TO 57 FLOOR SUPPORT HAS CORROSION. REMOVED FLOOR SUPPORT IAW DC-9 SRM 51-30-5. REMOVED CORROSION IAW DC-9 SRM 51-10-3. ORIG MAT .060 M
- [SDR DALA1121879870](https://openairdocs.org/sdr/DALA1121879870), Mar 23, 2011: CUSP WEB. CRACKED. MAIN PAX CABIN RT SIDE CUSP WEB HAS 1EA CRACKED AT RBL 40 AFT 1 INCH FROM FLOORBEAM BS 239. REMOVED DAMAGE FROM WEB IAW DC9 SRM 53-10-16-801-663A FIG 2. HFEC IN
- [SDR DALA1121869870](https://openairdocs.org/sdr/DALA1121869870), Mar 23, 2011: ANGLE. BROKEN. MAIN CABIN STA 225 RBL 56 Z-ANGLE BROKEN OUT AT FASTENER HOLE. REMOVED Z-ANGLE IAW DC-9 SRM 51-30-2. RECEIVED NEW Z-ANGLE IAW DC-9 SRM 51-10-1. LOCATED, DRILLED
- [SDR DALA1121819870](https://openairdocs.org/sdr/DALA1121819870), Mar 23, 2011: FRAME. DAMAGED. MAIN PAX CABIN/GALLEY HOLE IN EXISTING FRAME REPAIR BLOWN OUT AT STA 1151 AND L-17-L. REMOVED EXISTING REPAIR IAW SRM 51-30-2, 51-30-5. FABBED NEW REPAIR PLATE 
- [SDR DALA1121579870](https://openairdocs.org/sdr/DALA1121579870), Mar 22, 2011: GUSSET. GOUGED. MAIN CABIN STA 832 LBL-10 GUSSET GOUGED. REJECTED FOR GUSSET IMPROPERLY INSTALLED. FABBED, LOCATED, DRILLED, COUNTERSUNK AND DEBURRED GUSSET IAW DC9 SRM 51-10-4
- [SDR DALA1121559870](https://openairdocs.org/sdr/DALA1121559870), Mar 22, 2011: FLOOR SUPPORT. CORRODED. MAIN CABIN STA 160 TO 200 RBL 44 FLOOR SUPPORT HAS CORROSION. REMOVED 1 EA FLOOR SUPPORT IAW SRM 51-30-5. REMOVED CORR IAW SRM 53-01. FOUND TO BE OUT OF LIMITS 
- [SDR DALA1121549870](https://openairdocs.org/sdr/DALA1121549870), Mar 22, 2011: DIAPHRAGM. DAMAGED. MAIN CABIN - FASTENER HOLE IN DIAPHRAGM TORN STA 172 RBL 44. REMOVED DAMAGE IN 3 EA PLACES .400" IN DIAMETER IAW DC9 SRM 53-01. HFEC INSP IAW NDT SPM 06-10-01.0
- [SDR DALA1121539870](https://openairdocs.org/sdr/DALA1121539870), Mar 22, 2011: DIAPHRAGM. DAMAGED. ELONGATED HOLE IN DIAPHRAGM AT STA 198 AND RBL 46. REMOVED DAMAGE IN 1EA PLACE .500 IN DIAMETER IAW DC-9 SRM 53-01. HFEC INSP IAW NDT SPM 06-10-01.001. NO CRACK
- [SDR DALA1121279870](https://openairdocs.org/sdr/DALA1121279870), Mar 21, 2011: FRAME SPLICE. CORRODED. AFT CARGO COMPARTMENT FRAME AT STA 1116 HAS CORROSION ON LOWER AFT FLANGE SPLICE ANGLE BETWEEN LONG 28L AND LONG 30. FOUND SPLICE OUT OF LIMITS IAW DC9 SRM 53-0
- [SDR DALA1121269870](https://openairdocs.org/sdr/DALA1121269870), Mar 21, 2011: ATTACH BRACKET. CORRODED. FWD CARGO STA 365 RBL 6 SURFACE CORROSION. REMOVED CORR 1 X 3 INCHES ON SURFACE OF ATTACH BRACKET. ORIG MAT .100 REMOVED .035 REMAINING .065. FOUND TO BE OUT OF
- [SDR DALA1121249870](https://openairdocs.org/sdr/DALA1121249870), Mar 21, 2011: CUSP WEB. CRACKED. MAIN PASSENGER CABIN STA 435 LT CUSP WEB CRACKED. CUT OUT DAMAGED AREA 2"X 3.5". NDT VERIFIED DAMAGE REMOVED IAW NDT SPM 06-10-01. FABBED AND INSTALLED DOUBLER 
- [SDR DALA1121239870](https://openairdocs.org/sdr/DALA1121239870), Mar 21, 2011: FLOOR PANEL. CORRODED. CORROSION ON CABIN FLOOR PNL 16. FABRICATED NEW FLOOR PANEL IAW ER/A 490110-14 AND DC08 SRM 51-10-2. ASSEMBLED FLOOR PANEL IAW DC9 SRM 51-30-2. TREATED AND PRIM
- [SDR DALA1121229870](https://openairdocs.org/sdr/DALA1121229870), Mar 21, 2011: FLOOR PANEL. CRACKED. MAIN CABIN FLOOR PANEL 84 CRACKED AT FWD I/B EDGE. STOP DRILLED CRACK IAW DC9 SRM 53-01. NDT VERIFIED CRACK CONTAINED IAW NDT SPM 06-10-01. FABBED AND INSTALLED
- [SDR DALA1121219870](https://openairdocs.org/sdr/DALA1121219870), Mar 21, 2011: LONGERON SPLICE. CORRODED. FWD CARGO COMPT LONG 28L SPLICE HAS EXFOLIATED CORROSION BETWEEN BS 237 AND BS 229. REMOVED DAMAGED SPLICE. SEALED AND REPLACED WITH NEW SPLICE IAW DC9 SRM 51-3
- [SDR DALA12012260870](https://openairdocs.org/sdr/DALA12012260870), Mar 18, 2011: SKIN. CRACKED. FUSELAGE EXTERIOR BS 1209 BETWEEN L13-14R SKIN CRACKED AT FASTENER. CUTOUT DAMAGED AREA 1.5"X 1.5" NDT VERIFIED CRACK REMOVED IAW NDT SPM 06-10-01. FABBED AND I
- [SDR DALA1120699870](https://openairdocs.org/sdr/DALA1120699870), Mar 18, 2011: HINGE. CRACKED. LT WING NR 3 FLAP HINGE FLAP HALF OF THE HINGE IS CRACKED. REMOVED AND REPLACED NR 3 FLAP HINGE HALF IAW CARD 5753-9893M-LT.
- [SDR DALA1120649870](https://openairdocs.org/sdr/DALA1120649870), Mar 18, 2011: SKIN. CRACKED. FUSELAGE EXTERIOR CANTED FRAME STA 1292 BETWEEN LONG 13-14L SKIN CRACKED AT FASTENER. REMOVED DAMAGE 1 5/8"X 1 1/16". NDT VERIFIED DAMAGE REMOVED IAW NDT SPM 06
- [SDR DALA1120639870](https://openairdocs.org/sdr/DALA1120639870), Mar 18, 2011: SKIN. GOUGED. FUSELAGE EXTERIOR STAIRS CONTROL CUTOUT SKIN BELOW HINGE GOUGED. NDT FOUND CRACK CONTAINED AT FASTENER HOLE. REMOVED STAIR CONTROL DOOR. FABBED DOUBLER FROM .03
- [SDR DALA1120609870](https://openairdocs.org/sdr/DALA1120609870), Mar 18, 2011: FLOOR PANEL. CORRODED. MAIN CABIN FLOOR PANEL 45 HAS CORROSION ALONG FWD I/B EDGE REMOVED CORR. ORIG. MAT. 020" REMOVED .015" FOUND TO BE OUT OF LIMITS IAW SRM 53-01 FIG 1. CUT OUT DA
- [SDR DALA1120599870](https://openairdocs.org/sdr/DALA1120599870), Mar 18, 2011: STRUCTURE. MISREPAIRED. MAIN CABIN STA 785 RBL 50 PREVIOUS REPAIR NOT MEETING FASTENER REQUIREMENT. REMOVED EXISTING REPAIR IAW SRM 51-30-2. FABBED AND INSTALLED FILLER.040" 7075-T6 AN
- [SDR DALA1120589870](https://openairdocs.org/sdr/DALA1120589870), Mar 18, 2011: FLOOR PANEL. CORRODED. CORROSION ON CABIN FLOOR PANEL 20. CORROSION FOUND TO BE OUT OF LIMITS IAW SRM 53-01 FIG 1. CUT OUT DAMAGED SECTION OF FLOOR PANEL 1.5"X 4". FABBED AND INSTALLE
- [SDR DALA1120559870](https://openairdocs.org/sdr/DALA1120559870), Mar 18, 2011: FLOOR PANEL. CORRODED. MAIN CABIN FLOOR PANEL 33 HAS CORROSION ON TOP AROUND FASTENER HOLES. REMOVED CORR OUT OF LIMITS IAW SRM 53-01 FIG 1. CUT OUT DAMAGE IN 4EA PLACES IAW SRM 53-5 
- [SDR DALA1120509870](https://openairdocs.org/sdr/DALA1120509870), Mar 18, 2011: GUSSET. GOUGED. MAIN CABIN STA 832 LBL-10 GUSSET GOUGED. GOUGE FOUND TO BE OUT OF LIMITS 90 PERCENT MAT. LOSS IAW SRM 53-01 FIG 1. REMOVED GUSSET, FABBED NEW ONE FROM .032" 707
- [SDR DALA1120499870](https://openairdocs.org/sdr/DALA1120499870), Mar 18, 2011: SUPPORT CHANNEL. CRACKED. NLG STA 106 RIGHT LONG 28 DOOR CUTOUT SUPPORT CHANNEL CRACKED APPROX 1.25 INCH. RECEIVED FORMER P/N 5913421023. REMOVED CRACKED FORMER AND REPLACED IAW SRM 51-3
- [SDR DALA1119509870](https://openairdocs.org/sdr/DALA1119509870), Mar 16, 2011: STINGER. DAMAGED. HORIZONTAL STABILIZER STRINGER LT SIDE UPPER ANGLE HAS ELONGATED HOLES. REPLACED ANGLE, FABBED OUT OF .032 2024-T3 IAW SRM 55-31-00 FIG 8. SUBED 2024T43 FOR 202
- [SDR DALA1119499870](https://openairdocs.org/sdr/DALA1119499870), Mar 16, 2011: CARGO TRACK. DAMAGED. FWD CARGO STA 446 LT TIE DOWN TRACK HAS 2EA HOLES IN EDGE OF SPLICE. REMOVED DAMAGED SPLICE IAW DC9 SRM 51-30-05. FOUND SPLICE TO BE MISS LOCATED ON TIE DOWN TR

All 165: https://openairdocs.org/deregistered/N779NC-2017-05-16/reports.md

## FAA accident and incident reports (6)

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 20021127035479I](https://openairdocs.org/incident/20021127035479I), Nov 27, 2002: Doug DC951 (N779NC), Detroit, MI, Minor damage. (-23) On November 27, 2002, at approximately 1805 local time, a Douglas DC-9-51, N779NC, operated under 14 CFR 121 by northwest airlines, inc., taxied rearward…
- [Incident 19911218059789I](https://openairdocs.org/incident/19911218059789I), Dec 18, 1991: Doug DC951 (N779NC), South Bend, IN, Minor damage. Pilot struck an airport security fence while taxiing for departure. Taxiway was snow covered.
- [Incident 19900306010699I](https://openairdocs.org/incident/19900306010699I), Mar 6, 1990: Doug DC951 (N779NC), Toronto Ontario, CN. Unsafe nose gear light on approach. Landed without incident. Downlock had broken ground wire.
- [Incident 19860324017219I](https://openairdocs.org/incident/19860324017219I), Mar 24, 1986: Doug DC951 (N779NC), Havana, CU, Substantial damage. Sudden explosion with vibration en route. Engine shutdown. Slow starts not recorded. Turbine section damage.
- [Incident 19810128007869I](https://openairdocs.org/incident/19810128007869I), Jan 28, 1981: Doug DC951 (N779NC), Chicago, IL. Crew reported a green landing gear light out. Landed without further incident. Replaced bad plug at light.
- [Incident 19800126016049I](https://openairdocs.org/incident/19800126016049I), Jan 26, 1980: Doug DC951 (N779NC), Chicago, IL. No gear up light after takeoff, showed to be in transit. Landed normally. Gear light control box replaced.

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