# N662US: 1988 Boeing 747-451, registration cancelled 2018-07-13

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: July 13, 2018
- Status when cancelled: Valid registration
- Airframe: [Boeing 747-451](https://openairdocs.org/model/boeing-747-451) (registry code 1384940)
- Engine: [Pratt & Whitney PW4000 series](https://openairdocs.org/engine/pratt-whitney-pw4000-series) (registry code 52119)
- Data sheets: [TCDS A20WE](https://openairdocs.org/tcds/A20WE) (OpenAirDocs)
- Serial number: 23720
- Year built: 1988
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Experimental, research and development, showing compliance, crew training
- Airworthiness date: September 21, 1988
- Certificate issued: November 9, 2017
- Last registry action: November 9, 2017
- Mode S code: A8BD7A
- 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/N662US
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=662US
- Page: https://openairdocs.org/deregistered/N662US-2018-07-13

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 747-451: https://openairdocs.org/model/boeing-747-451.md

## Service difficulty reports (149, newest 50)

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

- [SDR DALA2017100507314](https://openairdocs.org/sdr/DALA2017100507314), Oct 3, 2017: LOCK. MISSING. GIRT BAR HANGING FROM L5 DOOR. ON INSPECTION, FOUND THE FWD GIRT LOCK ASSY MISSING. INSTALLED A SERVICEABLE LOCK ASSY AND INSTALLED GIRT BAR IAW JIC 2560-9901-5
- [SDR DALA2017092207018](https://openairdocs.org/sdr/DALA2017092207018), Sep 21, 2017: BATTERY PACK. INOPERATIVE. UPPER DECK ROWS 72 - 75 EMERGENCY LIGHTS INOPERATIVE. R & R THE BATTERY PACK IAW AMM 33-51. OPS CHECKED GOOD.
- [SDR DALA2017051703970](https://openairdocs.org/sdr/DALA2017051703970), May 17, 2017: BATTERY PACK. INOPERATIVE. UPPER DECK EMERGENCY EXIT DOORS EMERGENCY LIGHTS INOPERATIVE. REPLACED THE BATTERY PACK M312 IAW AMM 33-51-04.
- [SDR DALA2017051603929](https://openairdocs.org/sdr/DALA2017051603929), May 15, 2017: LIGHT. DAMAGED. EMERGENCY LIGHT DAMAGED. REPLACED L3 DOOR EMERGENCY LIGHT CAP ASSY IAW AMM 33-51-12.
- [SDR DALA2017010900172](https://openairdocs.org/sdr/DALA2017010900172), Jan 6, 2017: BULB. MISSING. EMERGENCY LIGHT LENS AND BULB MISSING. REPLACED THE BULB . FOUND THE LENS UNDER SEAT AND INSTALLED.
- [SDR DALA2016121709982](https://openairdocs.org/sdr/DALA2016121709982), Dec 16, 2016: SKIN. CRACKED. DURING SERVICE CHECK, FOUND CRACK ON THE FUSELAGE SKIN BS 2638 WL 310, BETWEEN STRINGERS 4 - 10R. REPAIRED IAW SRM 53-80-03 SEC. 48 FIG 1.
- [SDR DALA2016121609919](https://openairdocs.org/sdr/DALA2016121609919), Dec 15, 2016: BATTERY PACK. INOPERATIVE. FOUND EMERGENCY EXIT LIGHTS IN UPPER DECK OVER BOTH DOORS AND OVERHEAD INOPERATIVE. REMOVED AND REPLACED BATTERY PACK FOR POWER SUPPLY M7050 AND TEST OK PER AMM
- [SDR DALA2016092406911](https://openairdocs.org/sdr/DALA2016092406911), Sep 22, 2016: BATTERY PACK. INOPERATIVE. EMERGENCY LIGHTS AT SEATS 73A, 74A AND 75A ARE INOPERATIVE. MAINTENANCE REPLACED THE BATTERY POWER SUPPLY. SYSTEM OPERATION IS NORMAL.
- [SDR DALA2016092206910](https://openairdocs.org/sdr/DALA2016092206910), Sep 22, 2016: BATTERY PACK. INOPERATIVE. EMERGENCY LIGHTS AT SEATS 77A, 78A, AND 79A ARE INOPERATIVE. MAINTENANCE REPLACED THE BATTERY AND SYSTEM OPERATION IS NORMAL.
- [SDR DALA2016022603582](https://openairdocs.org/sdr/DALA2016022603582), Feb 26, 2016: SKIN. CRACKED. TWO CRACKS FOUND ON L5 DOOR CUTOUT AFT UPPER CORNER. THE CRACK LENGTH: 1,0.08" 2,0.07". REPAIRED IAW OER 5330-01212-03A.
- [SDR DALA2016030801757](https://openairdocs.org/sdr/DALA2016030801757), Oct 2, 2015: SKIN. DAMAGED. ON RT HORIZONTAL STABILIZER 502 LOWER SURFACE 8" X 1" TEAR. REPAIRED IAW SRM 55-10-01. REPAIR 6, CATEGORY B.
- [SDR DALA2015040302577](https://openairdocs.org/sdr/DALA2015040302577), Apr 2, 2015: BATTERY PACK. INOPERATIVE. UPPER DECK EMERGENCY FLOOR PATH LIGHTING INOPERATIVE .3 LIGHTS + 1 ROOF LIGHT AT TOP OF STRAIRCASE. R & R LIGHT AND BATTERY PACK.
- [SDR DALA2015020300843](https://openairdocs.org/sdr/DALA2015020300843), Feb 3, 2015: PANEL. CRACKED. CRACK ON BULKHEAD LINING PANEL, RT LOWER SECTION AT BS 2160.
- [SDR DALA2014121806587](https://openairdocs.org/sdr/DALA2014121806587), Dec 17, 2014: POWER SUPPLY. INOPERATIVE. UPPER DECK RT DOOR EMERGENCY LIGHT INOPERATIVE. REPLACED POWER PACK.
- [SDR DALA2014112406219](https://openairdocs.org/sdr/DALA2014112406219), Nov 22, 2014: CONNECTOR. UNSECURE. SHIP 6302. MAIN DECK CEILING EMERGENCY LIGHT ADJACENT TO SEAT 3A INOPERATIVE. RESEATED & SECURED CONNECTOR.
- [SDR DALA2014102305711](https://openairdocs.org/sdr/DALA2014102305711), Oct 22, 2014: LIGHT. INOPERATIVE. L1 DOOR MOUNTED EMERGENCY LIGHT INOPERATIVE. REPLACED THE EMERGENCY LIGHT.
- [SDR DALA14027046302](https://openairdocs.org/sdr/DALA14027046302), Apr 29, 2014: FUSE. INOPERATIVE. MAINTENANCE FOUND EXIT SIGN AFT OF R1 DOOR IN AISLE INOPERATIVE. REPLACED FUSE NR 4 IN BATTRY PACK, M7918. CHECKED GOOD IAW WDM 335141.
- [SDR DALA14023966302](https://openairdocs.org/sdr/DALA14023966302), Apr 16, 2014: CHARGER. INOPERATIVE. NON ROUTINE CHECK, ROW 9-13K EMERGENCY LIGHTS ON SEATS INOPERATIVE. R & R BATTERY CHARGER, OPS CHECKED GOOD.
- [SDR DALA14018566302](https://openairdocs.org/sdr/DALA14018566302), Mar 25, 2014: SKIN. CORRODED. DURING A NON ROUTINE CHECK, LT WING LOWER SURFACE, WS 1430 FRONT SPAR LOWER RABBIT AREA FOUND BULGING. PERFORMED REPAIR IAW ERA522150-14, REV 0 PERFORMED HFEC I
- [SDR DALA14005266302](https://openairdocs.org/sdr/DALA14005266302), Jan 22, 2014: SKIN. WORN. FUSELAGE SKIN FOUND WORN BS 2559-2578. REMOVED DAMAGED AREA, INSTALLED DOUBLER AND FILLERS IAW SRM 53-00-01 REPAIR 5 FIG 201.
- [SDR DALA14000386302](https://openairdocs.org/sdr/DALA14000386302), Jan 3, 2014: SKIN. DAMAGED. FOUND WEAR DAMAGE ON LT SIDE, BS 2545-2547. REPAIRED IAW ERA 488622-14AD REV A, REV 5.
- [SDR DALA14000376302](https://openairdocs.org/sdr/DALA14000376302), Jan 3, 2014: SKIN. DAMAGED. FOUND WEAR ON LT SIDE, BS 2559-2578. REMOVED DAMAGE IAW SRM 53-00-01, REPAIR 15, FIG. 201. PERFORMED HFEC OF CUT OUT IAW NDTM 51-00-00, PART 6, NO CRACKS NOTED.
- [SDR DALA14000366302](https://openairdocs.org/sdr/DALA14000366302), Jan 3, 2014: SKIN. DAMAGED. FOUND WEAR ON LT SIDE, BS 2557-2558 ON AFT EDGE OF DOUBLER. REMOVED DAMAGE IAW SRM 53-00-01, REPAIR 15, FIG. 201, PERFORMED HFEC OF CUT OUT IAW NDTM 51-00-00, P
- [SDR DALA13071506302](https://openairdocs.org/sdr/DALA13071506302), Dec 23, 2013: CHARGER. INOPERATIVE. FOUND ROWS 77A THRU 79A EMERGENCY LIGHTS INOPERATIVE. FOUND BAD BATTERY CHARGER REMOVED BATTERY AND CHARGER. INSTALLED NEW BATTERY AND CHARGER IAW AMM 33-51. CH
- [SDR DALA13059516302](https://openairdocs.org/sdr/DALA13059516302), Oct 7, 2013: LIGHT. INOPERATIVE. ROW 4 LT, OVERHEAD EMERGENCY LIGHT INOPERATIVE. REMOVED AND REPLACED EMERGENCY LIGHT ASSY.
- [SDR DALA13037036302](https://openairdocs.org/sdr/DALA13037036302), Jul 31, 2013: BATTERY PACK. INOPERATIVE. FORWARD AND AFT EMERGENCY LIGHTS OUT AT INSIDE OF UPPER DECK RT EMERGENCY EXIT DOOR. REPLACED EMERGENCY BATTERY PACK .
- [SDR DALA13032606302](https://openairdocs.org/sdr/DALA13032606302), Jun 29, 2013: BATTERY. INOPERATIVE. U/D BOTH EXIT DOOR EMERGENCY LIGHT INOPERATIVE. R & R BATTERY, AND OPS CHECKED OK IAW AMM 33-51.
- [SDR DALA13007386302](https://openairdocs.org/sdr/DALA13007386302), Feb 13, 2013: WIRE. DAMAGED. FOUND FLOOR EMERGENCY LIGHT INOPERATIVE. REPAIRED WIRE.
- [SDR DALA12017076302](https://openairdocs.org/sdr/DALA12017076302), Dec 17, 2012: LIGHT. MALFUNCTIONED. DURING SERVICE CHECK FOUND UPPER DECK LT EMERGENCY EXIT DOOR (BATTERY OK) TEST LIGHT INOPERATIVE. RETESTED OPS CHECK GOOD.
- [SDR DALA12017066302](https://openairdocs.org/sdr/DALA12017066302), Nov 28, 2012: LIGHT. INOPERATIVE. LT UPPER DECK EMERGENCY DOOR (BATTERY OK) LIGHT INOPERATIVE. SWAPPED M7037 WITH M7038, RETESTED BOTH BATTERY LIGHTS, BOTH TESTED GOOD.
- [SDR DALA12004556302](https://openairdocs.org/sdr/DALA12004556302), Aug 5, 2012: ACM. FAILED. DURING CLIMB-OUT, PACK 2 TRIP OCCURRED AND SMOKE WAS REPORTED IN THE CABIN. AIRCRAFT RETURNED TO DEPARTURE. MAINTENANCE FOUND NR 2 PACK ACM FAILED. PACK DEFERRE
- [SDR DALA12001936302](https://openairdocs.org/sdr/DALA12001936302), Jun 19, 2012: CARGO TRACK. DAMAGED. DURING INSPECTION, FOUND FORWARD END OF FORWARD CARGO TRACK AT BS 570 APPROX 2 FEET INBOARD OFF DOOR OPENING DAMAGED. MAINTENANCE REMOVED AND REPLACED FORWARD C
- [SDR DALA12001926302](https://openairdocs.org/sdr/DALA12001926302), Jun 19, 2012: FRAME. DAMAGED. DURING INSPECTION FOUND UPPER LEG OF FRAME DAMAGED BS 570 FORWARD CARGO APPROX 2 FT INBOARD OF THE DOOR OPENING. MAINTENANCE CUTOUT DAMAGE AND REPAIRED PARTS PE
- [SDR DALA1226536302](https://openairdocs.org/sdr/DALA1226536302), Apr 24, 2012: SOCKET. DAMAGED. DURING INSPECTION FOUND AFT AIRCRAFT RIGHT OVERWING EMERGENCY LIGHT INOPERATIVE. MAINTENANCE FOUND LIGHT BULB LOOSE FITTING WITH SOCKET. REPAIRED AND SECURED SO
- [SDR DALA1219126302](https://openairdocs.org/sdr/DALA1219126302), Mar 27, 2012: DOOR FRAME. CRACKED. DURING HFEC OPEN HOLE INSP ON AFT CARGO DOOR CUTOUT UPPER AFT CORNER, HOLE NR 2 FOUND WITH CRACK INDICATION. AFT CARGO DOOR CUTOUT UPPER AFT CORNER WORK CARRIED
- [SDR DALA1219116302](https://openairdocs.org/sdr/DALA1219116302), Mar 27, 2012: DOOR FRAME. CRACKED. DURING HFEC OPEN HOLE INSP ON AFT CARGO DOOR CUTOUT UPPER FORWARD CORNER, HOLES NR 2 AND NR 4 FOUND WITH CRACK INDICATION. AFT CARGO DOOR CUTOUT UPPER FORWARD C
- [SDR DALA1219106302](https://openairdocs.org/sdr/DALA1219106302), Mar 27, 2012: DOOR FRAME. CRACKED. DURING HFEC SURFACE INSP ON AFT CARGO DOOR CUTOUT UPPER FORWARD CORNER CRACK FOUND PROPAGATE FROM HOLE NR 2 TO THE EDGE APPROXIMATELY 3/4" AS MARKED. AFT CARGO 
- [SDR DALA1219476302](https://openairdocs.org/sdr/DALA1219476302), Mar 24, 2012: SILL. CORRODED. DURING HCK, CORROSION WAS NOTED ON THE LT UPPER DECK EMERGENCY EXIT DOOR SILL, STA 685, STR 13L. ER/A 500558-14 SECTION I WAS COMPLETED AT THAT TIME. FOLLOW ON 
- [SDR DALA1218626302](https://openairdocs.org/sdr/DALA1218626302), Mar 23, 2012: SEAT TRACK. CORRODED. FLATBED MODIFICATION, DURING FLOORBOARD REMOVAL, CORROSION FOUND ON LBL 98.59 SEAT TRACK, BS 520 & STA 540. INTERCOSTAL REMOVED AND REPAIRED AT LBL 98.59 BS 520
- [SDR DALA1213666302](https://openairdocs.org/sdr/DALA1213666302), Mar 6, 2012: INTERCOSTAL. CRACKED. FLATBED MOD, MAIN DECK ZONE B, STA 760 TO 740, LBL 65, EDGE CRACK FOUND ON INTERCOSTAL DURING OPENING OF FLOORBOARD. CRACKED INTERCOSTAL AT MAIN DECK ZONE B STA
- [SDR DALA1213406302](https://openairdocs.org/sdr/DALA1213406302), Mar 4, 2012: SILL. CORRODED. UPPER DECK LEFT DOOR CUTOUT SILL UPPER FACE FOUND WITH CORROSION AS INDICATED. UPPER DECK LT DOOR CUTOUT LOWER SILL UPPER FACE CORROSION REMOVED AS PER B747-400
- [SDR DALA1212826302](https://openairdocs.org/sdr/DALA1212826302), Mar 4, 2012: INTERCOSTAL. CRACKED. MAIN DECK CABIN, STA 1220, RBL 100 TO RBL 127, OVERWING INTERCOSTAL WEB, CRACK OF APPROXIMATELY 4" IN LENGTH FOUND FROM LOWER CHORD. MAIN DECK CABIN STA 1220 RB
- [SDR DALA1212096302](https://openairdocs.org/sdr/DALA1212096302), Mar 1, 2012: BULKHEAD. DAMAGED. CABIN ZONE A -STA 140 FWD BULKHEAD WEB BETWEEN STR 22R-23R FOUND WITH SHORT EDGE MARGIN. REPAIRED AS PER PRI 500565-14 REV 0 DATED 05MAR12.
- [SDR DALA1218636302](https://openairdocs.org/sdr/DALA1218636302), Feb 28, 2012: WEB. CRACKED. LT BLG W/W- STA 1480 O/B WEB FOUND CRACK AT ABOUT STR 34L. LT BLG W/W STA 1480 O/B WEB REPAIRED AS PER B747-400 SRM 53-40-08 REPAIR FIGURE 1.
- [SDR DALA1209516302](https://openairdocs.org/sdr/DALA1209516302), Feb 21, 2012: SEAT TRACK. CORRODED. DURING FLOORBOARD REMOVAL, CORROSION FOUND ON LBL 98.59 SEAT TRACK, BS 520 & STA 540. INTERCOSTAL REMOVED AND REPLACED AT LBL 98.59 BS 520 & BS 540 AS PER PRI 5
- [SDR DALA1209526302](https://openairdocs.org/sdr/DALA1209526302), Feb 18, 2012: BULKHEAD. CRACKED. CABIN ZONE A FWD BULKHEAD BS 140 OUTER CHORD RING NEAR STR 20R FOUND CRACKED. REPAIRED.
- [SDR DALA1209536302](https://openairdocs.org/sdr/DALA1209536302), Feb 18, 2012: SEAT TRACK. CORRODED. AFT CARGO CEILING AREA BS 1640-1660 LBL 60 SEAT TRACK FOUND BULGED. REPAIRED PER SRM 53-00-52, FIG 201, REPAIR 6.
- [SDR DALA1167056302](https://openairdocs.org/sdr/DALA1167056302), Dec 3, 2011: LIGHT. INOPERATIVE. DURING A MAINTENANCE VISIT, THE EMERGENCY DOOR SLIDE LIGHT AT DOOR 5L WAS FOUND TO BE INOPERATIVE. MAINTENANCE REPLACED THE SLIDE LIGHT ASSEMBLY. SYSTEM OPERATI
- [SDR DALA1162896302](https://openairdocs.org/sdr/DALA1162896302), Nov 10, 2011: POWER SUPPLY. INOPERATIVE. DURING A MAINTENANCE VISIT, THE AFT EMERGENCY EXIT SIGN IN THE UPPER DECK WAS FOUND TO BE INOPERATIVE. MAINTENANCE FOUND THE POWER SUPPLY INOPERATIVE AND REPLAC
- [SDR DALA1162776302](https://openairdocs.org/sdr/DALA1162776302), Nov 9, 2011: BATTERY PACK. DISCHARGED. DURING A MAINTENANCE VISIT, THE EMERGENCY FLOOR PATH LIGHT ON THE AFT LEFT SIDE UPPERDECK WAS FOUND TO BE INOPERATIVE. MAINTENANCE REPLACED THE BATTERY PACK. SY

All 149: https://openairdocs.org/deregistered/N662US-2018-07-13/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 ENG16IA001](https://openairdocs.org/ntsb/ENG16IA001), Oct 2, 2015: Boeing 747 (N662US), Russian airspace, Japan, incident, minor damage. Probable cause: The PW4056 engine experienced an in-flight loss of power because of damage to the low-pressure turbine (LPT) because of the inadequate overhaul inspection and repair instructions that existed at the…

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