# N512MC: 1976 Boeing 747-230B, registration cancelled 2011-06-06

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 6, 2011
- Status when cancelled: Valid registration
- Airframe: [Boeing 747-230B](https://openairdocs.org/model/boeing-747-230b) (registry code 1384889)
- Engine: [GE CF6-50 series](https://openairdocs.org/engine/ge-cf6-50-series) (registry code 30018)
- Data sheets: [TCDS A20WE](https://openairdocs.org/tcds/A20WE), [TCDS E23EA](https://openairdocs.org/tcds/E23EA) (OpenAirDocs)
- Serial number: 21220
- Year built: 1976
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, normal
- Airworthiness date: June 23, 2004
- Certificate issued: August 6, 2010
- Last registry action: August 6, 2010
- Mode S code: A669F3
- Owner when cancelled: [Atlas Air Inc](https://openairdocs.org/faa-owner/ATLAS%20AIR%20INC)
- Location: [Purchase, NY](https://openairdocs.org/faa-place/NY/Purchase)
- Owner type: Corporation
- Owner's area on the map: 41.0382° N, 73.7107° W: Placed by OpenAirDocs at the center of ZIP code 10577, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N512MC
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=512MC
- Page: https://openairdocs.org/deregistered/N512MC-2011-06-06

From the FAA registry file of October 28, 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 747-230B: https://openairdocs.org/model/boeing-747-230b.md

## Service difficulty reports (118, newest 50)

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

- [SDR UIEA200800345](https://openairdocs.org/sdr/UIEA200800345), Dec 4, 2008: SKIN. DELAMINATED. LT WING OUTBOARD AILERON UPPER SURFACE HAS 3 AREAS WITH PREVIOUS REPAIRS DELAMINATING. DELAMINATION AT WBL 883.0 AREA IS 3.5 BY 2.0 INCHES, LOCATED 9.5 INCHES F
- [SDR UIEA200800339](https://openairdocs.org/sdr/UIEA200800339), Nov 9, 2008: OUTFLOW VALVE. FAILED. AIR TURN BACK . ACFT WOULD NOT PRESSURIZE AFTER TAKEOFF. NR 1 PACK DEFERRED ALREADY. NR 3 PACK VALVE SWITCH OPEN. CABIN ALTITUDE WARNING HORN SOUNDED CABIN AT 1
- [SDR UIEA200800331](https://openairdocs.org/sdr/UIEA200800331), Sep 25, 2008: TIRE. BLOWN. INTO ANC NR 4 HYD SYSTEM QTY LOSS, COMPLIED WITH FHB, EDP SELECTED OFF AT 1612 HOURS. UPON INSPECTION ON THE GROUND FOUND NR 11 AND 12 TIRES BLOWN, 11 AND 12 BR
- [SDR UIEA200800309](https://openairdocs.org/sdr/UIEA200800309), Sep 16, 2008: FRAME. CRACKED. MAIN DECK CARGO COMPARTMENT SIDEWALL FRAME AT BS 1780 AT S12R HAS A 6.0 INCH CRACK, TOTAL WIDTH OF FRAME. INTERIM REPAIR ACCOMPLISHED IAW SRM 51-30-02 EO NR 475
- [SDR UIEA200800308](https://openairdocs.org/sdr/UIEA200800308), Sep 16, 2008: SKIN. CRACKED. LT WING LEADING EDGE KRUEGER FLAP LOWER IB SIDE PANEL AT WING STA 323.00 TO 330.00 HAS A 7.0 INCH COMPOSITE CRACK. PERMANENT REPAIR ACCOMPLISHED IAW SRM 51-40-0
- [SDR UIE2008F00044](https://openairdocs.org/sdr/UIE2008F00044), Sep 8, 2008: ISOLATION VALVE. FAILED. AIR TURN BACK. DURING CLIMB BOTH LT AND RT MANIFOLD PRESSURE WAS FLUCTUATING. DURING TROUBLESHOOTING AFTER CRUISE POWER SET 103.4, THE NR 1,3, AND 4 PYLONS VALV
- [SDR WRNA20080015](https://openairdocs.org/sdr/WRNA20080015), Mar 23, 2008: ENGINE. MALFUNCTIONED. BECAUSE OF HIGH HEAT AND HUMIDITY AT DUBAI, ENGINES WERE UNABLE TO MAKE TAKEOFF POWER, ABORTED TAKEOFF BEFORE 80 KNOTS AND RETURNED TO RAMP. PERFORMED MAIN ENGI
- [SDR WRNA20080008](https://openairdocs.org/sdr/WRNA20080008), Mar 23, 2008: ENGINE. MALFUNCTIONED. BECAUSE OF HIGH HEAT AND HUMIDITY AT DUBAI, ENGINES WERE UNABLE TO MAKE TAKEOFF POWER, ABORTED TAKE-OFF BEFORE 80 KNOTS AND RETURNED TO RAMP. PERFORMED MAIN ENG
- [SDR WRNA20080024](https://openairdocs.org/sdr/WRNA20080024), Mar 23, 2008: ENGINE. MALFUNCTIONED. BECAUSE OF HIGH HEAT AND HUMIDITY AT DUBAI, ENGINES WERE UNABLE TO MAKE TAKEOFF POWER, ABORTED TAKEOFF BEFORE 80 KNOTS AND RETURNED TO RAMP. PERFORMED MAIN ENGI
- [SDR WRNA20080027](https://openairdocs.org/sdr/WRNA20080027), Feb 27, 2008: FRAME. DAMAGED. DURING 'B' CHECK, FASTENERS WERE FOUND LOOSE AND MISSING RIGHT SIDE FRAME TO INTERCOSTAL AT STATION 2674 TO 2680 W/L 305. FABRICATED REPAIR DOUBLER ANGLES IAW S
- [SDR WRNA20080026](https://openairdocs.org/sdr/WRNA20080026), Feb 27, 2008: LONGERON. GOUGED. DURING B CHECK, A GOUGE WAS FOUND ON RT LONGERON AT STATION 2700 W/L 285. REMOVED DAMAGED AREA AND FABRICATED REPAIR DOUBLER IAW SRM 51-40-03 FIGURE 01 USING .1
- [SDR WRNA20080028](https://openairdocs.org/sdr/WRNA20080028), Feb 27, 2008: FRAME. DAMAGED. DURING B CHECK, FOUND MISSING FASTENER AND ELONGATED HOLE RIGHT SIDE OF FRAME AND INTERCOSTAL AT STATION 2662 W/L 305. FABRICATED REPAIR DOUBLER IAW SRM 51-40-0
- [SDR UIEA200700416](https://openairdocs.org/sdr/UIEA200700416), Sep 28, 2007: FRAME. CRACKED. FOUND MAIN DECK STA 1760 FRAME CRACKED AT STR 13R - 14R. REPAIRED PER BOEING MESSAGE 1-542767421-2.
- [SDR UIEA200700415](https://openairdocs.org/sdr/UIEA200700415), Sep 28, 2007: SPAR. CORRODED. RIGHT WING STATION 1337 FRONT SPAR TO REAR SPAR HAS CORROSION EVIDENT. REMOVED CORROSION IAW SRM 51-10-01.
- [SDR UIEA200700414](https://openairdocs.org/sdr/UIEA200700414), Sep 28, 2007: SKIN. DELAMINATED. NR 1 SPOILER INBOARD EDGE DELAMINATED. REPAIR CARRIED OUT PER SRM 51-40-24.
- [SDR UIEA200700413](https://openairdocs.org/sdr/UIEA200700413), Sep 28, 2007: SKIN. DELAMINATED. NR 4 SPOILER OUTBOARD CORNER DELAMINATED. REPAIR CARRIED OUT PER SRM 51-40-24.
- [SDR UIEA200700412](https://openairdocs.org/sdr/UIEA200700412), Sep 28, 2007: SKIN. DELAMINATED. NR 2 SPOILER OUTBOARD EDGE DELAMINATED. REPAIR CARRIED OUT PER SRM 51-40-24.
- [SDR UIEA200700411](https://openairdocs.org/sdr/UIEA200700411), Sep 28, 2007: SPAR. CORRODED. RIGHT WING AT WS 917- WS 1141 FRONT SPAR TO REAR SPAR HAS CORROSION EVIDENT. CORROSION REMOVED PER SRM 51-10-01.
- [SDR UIEA200700409](https://openairdocs.org/sdr/UIEA200700409), Sep 28, 2007: SKIN. CORRODED. BS 1241 LBL 55- LBL 76 CTR SECTION UPPER SKIN CORROSION, LEVEL 1. BLENDED OUT IAW SRM 51-10-01 AND BOEING MESSAGE NUMBER 1-598402422-7.
- [SDR UIEA200700408](https://openairdocs.org/sdr/UIEA200700408), Sep 28, 2007: SKIN. CORRODED. BS 1241 LBL 11- LBL 33 CTR SECTION UPPER SKIN CORROSION, LEVEL 1. BLENDED OUT IAW SRM 51-10-01 AND BOEING MESSAGE NUMBER 1-598402422-7. 
- [SDR UIEA200700407](https://openairdocs.org/sdr/UIEA200700407), Sep 28, 2007: SKIN. CORRODED. BS 1241 LBL 11- RBL 11 CTR SECTION UPPER SKIN CORROSION, LEVEL 1. BLENDED OUT IAW SRM 51-10-01 AND BOEING MESSAGE NUMBER 1-598402422-7.
- [SDR UIEA200700410](https://openairdocs.org/sdr/UIEA200700410), Sep 28, 2007: SEAT TRACK. CORRODED. MAIN DECK BS 459 LBL 64 SEAT TRACK CORROSION, LEVEL 2. REPAIRED SEAT TRACK IAW SRM 53-10-05 FIG 1A.
- [SDR UIEA200700406](https://openairdocs.org/sdr/UIEA200700406), Sep 28, 2007: FAIRING. DAMAGED. NR 3 ENGINE LT T/R AFT UPPER FAIRING FOUND TORN AND MATERIAL MISSING. REPAIRED PER EO4778A109.
- [SDR UIEA200700404](https://openairdocs.org/sdr/UIEA200700404), Sep 26, 2007: FLOORBEAM. CORRODED. MAIN DECK BS 1720 LBL 76- LBL 98 FLOORBEAM UPPER CHORD HAS LEVEL 2 CORROSION. REPAIRED PER SRM 53-10-07 FIG 2. RAM FORM AND CPCP SUBMITTED TO ENGINEERING.
- [SDR UIEA200700403](https://openairdocs.org/sdr/UIEA200700403), Sep 26, 2007: SKIN. CORRODED. LEFT WING UPPER SURFACE WS 807 TO STR 516 SURFACE CORROSION EVIDENT. CORROSION REMOVED AND REPROTECTED IAW SRM 51-10-01 AND 51-10-02. 
- [SDR UIEA200700402](https://openairdocs.org/sdr/UIEA200700402), Sep 26, 2007: SKIN. CORRODED. LEFT WING UPPER SURFACE WS 353 TO WS 586 REAR SPAR HAS MINOR SURFACE CORROSION EVIDENT. CORROSION REMOVED AND REPROTECTED IAW SRM 51-10-01 AND 51-10-02. 
- [SDR UIEA200700401](https://openairdocs.org/sdr/UIEA200700401), Sep 26, 2007: SPAR. CORRODED. LEFT WING UPPER SURFACE MID SPAR WS 1112, WS 1280, WS 1330 AND WS 1392 HAS MINOR SURFACE CORROSION EVIDENT. CORROSION REMOVED AND REPROTECTED IAW SRM 51-10-01 A
- [SDR UIEA200700405](https://openairdocs.org/sdr/UIEA200700405), Sep 26, 2007: BEARING. CORRODED. RIGHT BODY GEAR RETRACT ACTUATOR LOWER END BEARING CORRODED. REMOVED CORROSION AS PER TEC - XMN-07-01832 PROPOSAL REF OHM 32-33-11.
- [SDR UIEA200700400](https://openairdocs.org/sdr/UIEA200700400), Sep 26, 2007: SKIN. CORRODED. RIGHT WING SURFACE CORROSION EVIDENT AROUND FASTENER HEAD FROM WS 724.5 TO WS 917 BETWEEN MID SPAR AND FRONT SPAR. CORROSION REMOVED AND REPROTECTED IAW SRM 51-
- [SDR UIEA200700399](https://openairdocs.org/sdr/UIEA200700399), Sep 26, 2007: SKIN. CORRODED. RIGHT WING SURFACE CORROSION EVIDENT AROUND FASTENER HEAD FROM WS 724.5 TO WS 917 BETWEEN MID SPAR AND REAR SPAR. CORROSION REMOVED AND REPROTECTED IAW SRM 51-1
- [SDR UIEA200700398](https://openairdocs.org/sdr/UIEA200700398), Sep 26, 2007: SKIN. CORRODED. RIGHT WING SURFACE CORROSION EVIDENT AROUND FASTENER HEAD FROM WS 528 TO WS 724.5 BETWEEN MID SPAR AND REAR SPAR. CORROSION REMOVED AND REPROTECTED IAW SRM 51-1
- [SDR UIEA200700397](https://openairdocs.org/sdr/UIEA200700397), Sep 26, 2007: SKIN. CORRODED. RIGHT WING SURFACE CORROSION EVIDENT AROUND FASTENER HEAD FROM SIDE OF BODY TO WS 528 BETWEEN MID SPAR AND FRONT SPAR. CORROSION REMOVED AND REPROTECTED IAW SRM
- [SDR UIEA200700396](https://openairdocs.org/sdr/UIEA200700396), Sep 26, 2007: SKIN. CORRODED. RIGHT WING SURFACE CORROSION EVIDENT AROUND FASTENER HEAD FROM SIDE OF BODY TO WS 528 BETWEEN MID SPAR AND FRONT SPAR. CORROSION REMOVED AND REPROTECTED IAW SRM
- [SDR UIEA200700395](https://openairdocs.org/sdr/UIEA200700395), Sep 26, 2007: SKIN. CORRODED. RIGHT WING SURFACE CORROSION EVIDENT AROUND FASTENER HEAD FROM WS 528 TO WS 724.5 BETWEEN MID SPAR AND FRONT SPAR. CORROSION REMOVED AND REPROTECTED IAW SRM 51-
- [SDR UIEA200700394](https://openairdocs.org/sdr/UIEA200700394), Sep 26, 2007: SKIN. CORRODED. RIGHT WING SURFACE CORROSION EVIDENT AROUND FASTENER HEAD FROM SIDE OF BODY TO WS 528 BETWEEN MID SPAR AND REAR SPAR. CORROSION REMOVED AND REPROTECTED IAW SRM 
- [SDR UIEA200700377](https://openairdocs.org/sdr/UIEA200700377), Sep 25, 2007: SEAT TRACK. CORRODED. U/D BS 520 RBL 46 SEAT TRACK CORROSION. REPAIR SEAT TRACK IAW SRM 53-10-05 FIG 1A. 
- [SDR UIEA200700393](https://openairdocs.org/sdr/UIEA200700393), Sep 25, 2007: SKIN. CORRODED. RIGHT WING SURFACE CORROSION EVIDENT AROUND FASTENER HEAD. CORROSION REMOVED AND REPROTECTED IAW SRM 51-10-01 AND 51-10-02.
- [SDR UIEA200700381](https://openairdocs.org/sdr/UIEA200700381), Sep 25, 2007: SPAR. CORRODED. LHW UPPER SURFACE WS 353 TO WS 586 SPAR SURF CORROSION EVIDENT. CORROSION REMOVED AND REPROTECTED IAW SRM 51-10-01 AND 51-10-02. 
- [SDR UIEA200700371](https://openairdocs.org/sdr/UIEA200700371), Sep 25, 2007: SKIN. CORRODED. SURFACE CORROSION EVIDENT AROUND HEAD FROM WS 724.50 TO WS 917.00 BETWEEN REAR SPAR AND MID SPAR. SURF, CORROSION REMOVED AND REPROTECTED IAW SRM 51-10-01 AND 5
- [SDR UIEA200700382](https://openairdocs.org/sdr/UIEA200700382), Sep 25, 2007: SKIN. CORRODED. LHW UPPER SURFACE MID SPAR WS 1112 WS 1280 WS 1330 WS 1392 CORROSION EVIDENT. SURF CORROSION REMOVED AND REPROTECTED IAW SRM 51-10-01 AND 51-10-02.
- [SDR UIEA200700383](https://openairdocs.org/sdr/UIEA200700383), Sep 25, 2007: SKIN. CORRODED. SURF CORROSION EVIDENT AROUND HEAD FROM WS 528 TO WS 724.5 BETWEEN REAR SPAR AND MID SPAR. SURF CORROSION REMOVED AND REPROTECTED IAW SRM 51-10-01 AND 51-10-02.
- [SDR UIEA200700378](https://openairdocs.org/sdr/UIEA200700378), Sep 25, 2007: SEAT TRACK. CORRODED. BS 1960 LBL 99 SEAT TRACK FOUND CORROSION. BLEND OUT CORROSION IAW SRM 51-10-01 AND REPROTECTED IAW 51-10-02.
- [SDR UIEA200700379](https://openairdocs.org/sdr/UIEA200700379), Sep 25, 2007: SEAT TRACK. CORRODED. BS 1980 RBL 90 SEAT TRACK FOUND CORROSION. BLEND OUT CORROSION IAW SRM 51-10-01 AND REPROTECTED IAW 51-10-02. 
- [SDR UIEA200700380](https://openairdocs.org/sdr/UIEA200700380), Sep 25, 2007: SKIN. CORRODED. LHW UPPER SURFACE WS 807 STR S16 CORROSION EVIDENT. SURF CORROSION REMOVED AND REPROTECTED IAW SRM 51-10-01 AND 51-10-02.
- [SDR UIEA200700376](https://openairdocs.org/sdr/UIEA200700376), Sep 12, 2007: SPAR. CORRODED. WS 317 - WS 1141, FRONT SPAR TO REAR SPAR CORROSION EVIDENCED. SURFACE CORROSION REMOVED AND REPROTECTED IAW SRM 51-10-01 AND 51-10-02.
- [SDR UIEA200700375](https://openairdocs.org/sdr/UIEA200700375), Sep 12, 2007: SKIN. DELAMINATED. NR 2 SPOILER I/B EDGE DELAMINATION EVIDENCE. REPAIR CARRIED OUT IAW SRM 51-40-24.
- [SDR UIEA200700374](https://openairdocs.org/sdr/UIEA200700374), Sep 12, 2007: SKIN. CORRODED. LHW SPOILER: NR 4 SPOILER O/B CORNER DELAMINATION EVIDENCE. REPAIR CARRIED OUT IAW SRM 51-40-24.
- [SDR UIEA200700373](https://openairdocs.org/sdr/UIEA200700373), Sep 12, 2007: SKIN. CORRODED. LHW SPOILER: NR 1 SPOILER I/B EDGE DELAMINATION EVIDENCE. NR 1 SPOILER PNL REPLACED IAW AMM 27-61-02.
- [SDR UIEA200700372](https://openairdocs.org/sdr/UIEA200700372), Sep 12, 2007: SKIN. CORRODED. RHW UPP SKIN PNL: WS1141-WS1337, FRONT SPAR TO REAR SPAR SEVERAL AREAS OF CORROSION EVIDENCED. SURF CORROSION REMOVED AND REPROTECTED IAW SRM 51-10-01 AND SOPM 
- [SDR UIEA200700370](https://openairdocs.org/sdr/UIEA200700370), Sep 12, 2007: SKIN. CORRODED. SURFACE CORROSION EVIDENT AROUND FASTENER HEAD FROM WS 724.50 TO WS 917.00 BETWEEN FRONT SPAR AND MID SPAR. SURF CORROSION REMOVED AND REPROTECTED IAW SRM 51-10

All 118: https://openairdocs.org/deregistered/N512MC-2011-06-06/reports.md

## Other aircraft with N512MC

- [Registered now](https://openairdocs.org/aircraft/N512MC): Cirrus Design SR22T, S/N 2260, built 2021

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