# Boeing 747-2D7B - Type: Aircraft model (FAA registry) - Registry code: 1384803 - Manufacturer (registry): BOEING - Model: 747-2D7B - Aircraft type: Fixed wing multi engine - Category: Airplane - Engines: 4 · Turbo-fan - Seats: 495 - Weight class: 20,000 lb and over - Certification: Type certificated - Registered aircraft: 0 - Page: https://openairdocs.org/model/boeing-747-2d7b Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker. ## ADs that may apply (OpenAirDocs) Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment. None matched. ## Registered aircraft None registered with this model now. ## 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 DCA05WA020](https://openairdocs.org/ntsb/DCA05WA020), Dec 12, 2004: Boeing 747 (N523MC), London, United Kingdom, incident, no damage ## FAA accident and incident reports (3) 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. - [Accident 20080202834079A](https://openairdocs.org/incident/20080202834079A), Feb 2, 2008: Boeing 7472D7B (N527MC), Lome, TG, Substantial damage. (-23) Cargo appears to have been improperly contained. Well drilling pipe broke through containment box on takeoff, and penetrated aft pressure bulkhead. NTSB… - [Incident 20020513010759I](https://openairdocs.org/incident/20020513010759I), May 13, 2002: Boeing 7472D7B (N527MC), Miami, FL, Minor damage. (-23) FAR part 145 repair station (VN4R) removed the fasteners from the panels during a scheduled a-check and failed to reinstall them. - [Incident 19980330019449I](https://openairdocs.org/incident/19980330019449I), Mar 30, 1998: Boeing 7472D7B (N524MC), Asuncion, PR. 3 Missed approaches. Declared emergency. Pilot was then advised VOR relocated. Landed without further incident. ## Service difficulty reports (726, newest 50) As reported by operators and repair stations, by the model named in the report. - [SDR UIEA2011122800737](https://openairdocs.org/sdr/UIEA2011122800737), Dec 27, 2011: JACKSCREW. DAMAGED. DURING WALKAROUND, MX FOUND THE NR 2 LT THRUST REVERSER HALF DAMAGE AND NOTICED A BROKEN JACK SCREW ON THE UPPER ANGLE GEARBOX/BALL SCREW ACTUATOR, BROKEN CASCA - [SDR UIEA2011122700736](https://openairdocs.org/sdr/UIEA2011122700736), Dec 27, 2011: JACKSCREW. BROKEN. DURING WALKAROUND, MX FOUND THE NR 2 LT T/R HALF DAMAGE AND NOTICED A BROKEN JACK SCREW ON THE UPPER ANGLE GEARBOX/BALL SCREW ACTUATOR, BROKEN CASCADE VANES AND - [SDR UIEA2011121200714](https://openairdocs.org/sdr/UIEA2011121200714), Dec 8, 2011: NOZZLE. CRACKED. DURING WALK AROUND CHECK, MX FOUND CRACK APPROX 1 INCH IN LENGTH, ON THE OUTER SLEEVE OF THE LONG FIXED CORE EXHAUST NOZZLE ON THE NR 4 ENGINE AT THE 8 O`CLOCK - [SDR UIEA2011112700697](https://openairdocs.org/sdr/UIEA2011112700697), Nov 22, 2011: THRUST REVERSER. DAMAGED. DURING MX WALKAROUND, FOUND DAMAGE TO THE NR 3 ENGINE RT THRUST REVERSER TRANSLATING COWL EXTERNAL SKIN PUNCTURED (3 PLACES). THE DAMAGE IS LOCATED NEAR THE REV - [SDR UIEA2011111800665](https://openairdocs.org/sdr/UIEA2011111800665), Nov 16, 2011: SKIN. DAMAGED. DURING INSPECTION MX FOUND THE NR 2 ENGINE RT THRUST REVERSER CORE COWL INNER SKIN DAMAGED/DELAMINATED. AT APPROX 4 O'CLOCK POSITION WITH SIZE 7.0" X 11.0" AND - [SDR UIEA2011111200648](https://openairdocs.org/sdr/UIEA2011111200648), Nov 10, 2011: LAMP. BURNED OUT. EMERGENCY UNARMED LIGHT BURNED OUT. RELAMPED BULBS IAW AMM 33-11-07. - [SDR UIEA2011101900601](https://openairdocs.org/sdr/UIEA2011101900601), Oct 19, 2011: VENT. OPEN. DURING CLIMBOUT, AFT CARGO DOOR LIGHT CAME ON F/E PANEL. LIGHT WENT OUT DURING DURING DESCENT AT APPROX 3000FT. ON ARRIVAL, FOUND MAIN DECK CARGO VENT DOORS OPE - [SDR UIEA2011101900575](https://openairdocs.org/sdr/UIEA2011101900575), Oct 13, 2011: MANIFOLD. CRACKED. UPON OPENING OF THE NR 1 ENGINE NACELLE, MX FOUND THE LOWER LPT COOLING MANIFOLD BROKEN AT SEVERAL LOCATIONS. REFER TO FIG 1 FOR DAMAGE LOCATION AND DETAILS. DU - [SDR UIEA2011092200521](https://openairdocs.org/sdr/UIEA2011092200521), Sep 22, 2011: SUPPORT. CRACKED. DURING MX, DAMAGE FOUND AT MAIN DECK - LT BS 1920 - SIDEWALL/LINER SUPPORT CONSISTING OF CRACK. LOCATED AFT OF THE MDSCD, MEASURING 1.5 IN. LONG (REF FIG 1). DI - [SDR UIEA2011091900514](https://openairdocs.org/sdr/UIEA2011091900514), Sep 15, 2011: SKIN. DAMAGED. DURING VOR ANTENNA REPLACEMENT, DISCOVERED THE VERTICAL STABILIZER - FIN WL339.5 SUSTAINED LIGHTNING STRIKE CAUSING DAMAGE TO THE VOR ANTENNA AND TO THE RT SIDE - [SDR UIEA2011091300511](https://openairdocs.org/sdr/UIEA2011091300511), Sep 13, 2011: FRAME. CRACKED. BS 400, S23R FRAME CRACKED. CRACK AREA STOP DRILLED AND REPAIRED IAW HX RS R53-12-37208, REV A. - [SDR UIEA2011091300508](https://openairdocs.org/sdr/UIEA2011091300508), Sep 13, 2011: REVEAL. CRACKED. BS 2231 S17L REVEAL PANEL CRACK APPRX 0.625" LONG. REVEAL PANEL CRACK REPAIR CARRIED OUT IAW HX RSNO 53-60-37210, REV A. WORK DETAILS REF TO NRC 51169. - [SDR UIEA2011091300503](https://openairdocs.org/sdr/UIEA2011091300503), Sep 13, 2011: FRAME. CRACKED. BS 2598 BULKHEAD OUTER CHORD AREA WL 274, 1 FASTENER HOLE CRACKED AT FRAME SUPPORT FIG (LT BS 2598, BULKHEAD OUTER CHORD WL 274 CRACKED FASTENER HOLE REPAIRED I - [SDR UIEA2011091300501](https://openairdocs.org/sdr/UIEA2011091300501), Sep 13, 2011: LIGHT. INOPERATIVE. ZONE A RT 1 EMERGENCY LIGHT FOUND INOPERATIVE. REPLACED AND LIGHT TESTED AND FOUND OK, REF AMM 33-51-07. - [SDR UIEA2011091300500](https://openairdocs.org/sdr/UIEA2011091300500), Sep 13, 2011: FRAME. CRACKED. BS 1254 FRAME INNER CHORD FASTENER HOLE CRACK 0.040 IN LENGTH. CRACKED SEGMENT CUT OFF AND REPAIRED IAW HX RS R53-42-37204, REV A AND EO 4753B419, PART 1. - [SDR UIEA2011091300499](https://openairdocs.org/sdr/UIEA2011091300499), Sep 13, 2011: LIGHT. INOPERATIVE. L5 DOOR 1EA EMERGENCY LIGHT FOUND INOP. L5 DOOR EMERGENCY LIGHT ASSY REPLACED, HOLD TEST OK MM 33-51-07. - [SDR UIEA2011091300498](https://openairdocs.org/sdr/UIEA2011091300498), Sep 13, 2011: FRAME. CRACKED. FRAME BS 2231 BETWEEN S24-25L, 1 EA FASTENER HOLE CRACK APPROX 0.040 LONG AT FRAME STRAP. REPAIRED IAW HX RS R53-62-27215, REV A. REPAIR WORK DETAILS REF TO NRC - [SDR UIEA2011091300497](https://openairdocs.org/sdr/UIEA2011091300497), Sep 13, 2011: REVEAL. CRACKED. BS 2231, BETWEEN S21-22L FOUND 2 EA FASTENER HOLES CRACK AT REVEAL PANEL. CRACKED AREA STOP HOLE DRILLED AND REPAIR CARRIED OUT IAW HX RS R53-62-37215, REV A. - [SDR UIEA2011091300496](https://openairdocs.org/sdr/UIEA2011091300496), Sep 13, 2011: FRAME. CRACKED. BS 2231, S26R FRAME AFT INNER CHORD CRACK APPROX 1" LONG ON VERT FLANGE. CRACKED AREA TRIMMED OFF AND REPARIED IAW HX RS R53-62-37218, REV A. - [SDR UIEA2011091300495](https://openairdocs.org/sdr/UIEA2011091300495), Sep 13, 2011: FRAME. CRACKED. BS 2231, S26R, FRAME WEB CRACK APPROX 1" LONG ON FWD INNER CHORD VERT FLANGE. CRACK AREA TRIMMER OFF AND REPAIRED IAW HX RS R53-62=37218, REV A AND WORK DETAILS - [SDR UIEA2011090900487](https://openairdocs.org/sdr/UIEA2011090900487), Sep 9, 2011: SKIN. CRACKED. INSPECTION DETECTED 2 CRACKS (APPROX 0.030" LONG) ON THE SKIN AT RT BS 980, S38R. REPAIRED IAW SRM 53-30-03, FIG 60. - [SDR UIEA2011090900486](https://openairdocs.org/sdr/UIEA2011090900486), Sep 9, 2011: SPAR. DAMAGED. CRACK DAMAGE WAS DETECTED AND RAN FORWARD TO AFT AND WAS APPROX 4.5 INCHES LONG. WEB WAS CUT AT APPROX NAC STA 286 AND THE SECTION OF THE WEB FROM NAC STA 286.0 - [SDR UIEA2011090900490](https://openairdocs.org/sdr/UIEA2011090900490), Sep 1, 2011: CHANNEL. CRACKED. DURING INSPECTION IAW EO 4753B328, A FASTENER HOLE CRACK WAS FOUND AT TENSION TIE FWD CHANNEL AT BS 920 LT. CRACK LENGTH WAS 0.125" AND RUNNING OTBD AT 6 O'CLOC - [SDR UIEA2011091300510](https://openairdocs.org/sdr/UIEA2011091300510), Aug 31, 2011: FRAME. CRACKED. LT BS 1265 FRAME WEB CRACKED AT FASTENER HOLE. CRACKED AREA TRIMMED OFF AND REPAIRED IAW HX RS R53-42--37204, REV A AND EO 4753B419, PART 1. - [SDR UIEA2011090900482](https://openairdocs.org/sdr/UIEA2011090900482), Aug 31, 2011: RIB. DAMAGED. DURING THE PRESENT C4 CHECK, NR 2 PYLON LT NAC STA 332 FRAME RIB WAS FOUND WITH A WEAR AROUND MOUNT BOLT HOLE, APPROX 0.035 INCH MATERIAL REMOVED. THE ORIGINAL - [SDR UIEA2011091300504](https://openairdocs.org/sdr/UIEA2011091300504), Aug 30, 2011: REVEAL. CRACKED. REVEAL PANEL BS 2231 BETWEEN S24-25L CRACKED APPROX 0.500: LONG. CRACKED AREA TRIMMED OFF AND REPAIRED IAW HXRS R53-62-37215, REV A. - [SDR UIEA2011091300509](https://openairdocs.org/sdr/UIEA2011091300509), Aug 30, 2011: FRAME. CRACKED. FRAME BS 2231 BETWEEN S16-17L, FASTENER HOLE CRACK APPROX 0.040 AT FRAME STRAP. CRACKED SEGMENT CUT OFF AND REPAIRED IAW HX RS R53-60-37210, REV A. ) - [SDR UIEA2011090200479](https://openairdocs.org/sdr/UIEA2011090200479), Aug 30, 2011: FAIRING. BROKEN. ENGINE EXHAUST -NR 2 ENGINE RT UPPER INNER FAIRING REPLACEMENT - DURING THE CURRENT C-CHECK, THE UPPER INNER FAIRING WAS FOUND BROKEN (PARTIAL MISSING) AT FWD S - [SDR UIEA2011091300507](https://openairdocs.org/sdr/UIEA2011091300507), Aug 29, 2011: FRAME. CRACKED. FRAME BS 2231 BETWEEN S24-25L, 1 FASTENER HOLE CRACK AT FRAME AFT INNER CHORD APPROX 0.040: LONG. CRACK AREA TRIMMED OFF AND REPAIR CARRIED OUT IAW HVRX R53-62- - [SDR UIEA2011091300506](https://openairdocs.org/sdr/UIEA2011091300506), Aug 29, 2011: FRAME. CRACKED. BS 2231 S26L FRAME AFT INNER CHORD CRACK APPROX .5" LONG AT VENT FLANGE. CRACK AREA TRIMMED OFF AND REPAIRED IAW HXRSNC-R53--62-37206 REV A. - [SDR UIEA2011091300505](https://openairdocs.org/sdr/UIEA2011091300505), Aug 29, 2011: FRAME. CRACKED. BS 2231 FRAME S26R FWD INNER CHORD CRACK APPROX 0.025" LONG ON VENT HANG. CRACK TRIMMED OFF AND REPAIRED IAW HXRS 53-62-47218, REV A. - [SDR UIEA2011090900488](https://openairdocs.org/sdr/UIEA2011090900488), Aug 26, 2011: FRAME. CRACKED. DURING C4 CHECK, DETECTED A CRACK ON THE RT SIDE, BS 360 FRAME THE CRACK IS LOCATED ON THE WEB LAYER ONLY AND IS APPROX 1 INCH LONG RUNNING OTBD AND DOWNWARDS. - [SDR UIEA2011082600468](https://openairdocs.org/sdr/UIEA2011082600468), Aug 26, 2011: SEAT TRACK. CORRODED. BS 550-560, RBL 46 SEAT TRACK CORRODED. - [SDR UIEA2011101900597](https://openairdocs.org/sdr/UIEA2011101900597), Aug 25, 2011: LAMP. INOPERATIVE. UPPER DECK AFT NR 1 AND NR 2 CEILING EMERGENCY LIGHTS INOPERATIVE. RELAMPED AND TESTED OK IAW MM 33-51-00 AND MM 33-51-07. - [SDR UIEA2011091300502](https://openairdocs.org/sdr/UIEA2011091300502), Aug 25, 2011: SKIN. DAMAGED. EXTERNAL POWER RECEPTACLES ACCESS DOOR CUTOUT FOUND DAMAGED. CRACK TRIMMED OFF AND REPAIRED IAW HX RS R53-11-27121, REV A. - [SDR UIEA2011082500470](https://openairdocs.org/sdr/UIEA2011082500470), Aug 25, 2011: STRINGER. CRACKED. BS 988, STRINGER 16L CRACKED. - [SDR UIEA2011090900480](https://openairdocs.org/sdr/UIEA2011090900480), Aug 24, 2011: FRAME. CRACKED. DISCOVERED A CRACK IN THE FRAME AT BS 360 AND S16R. REPAIR IS CLASSIFIED AS A CATAGORY B PERMANENT REPAIR WITH REPEAT INSPECTION REQUIREMENTS IAW SB 747-53A2265 - [SDR UIEA2011082400466](https://openairdocs.org/sdr/UIEA2011082400466), Aug 24, 2011: FRAME. CRACKED. BS 820, S6R FRAME CRACKED, REPAIR ACCOMPLISHED DURING A C4 CHECK ON NRC 505315 IAW SRM 53-10-04, FIGURE 54. - [SDR UIEA2011082400465](https://openairdocs.org/sdr/UIEA2011082400465), Aug 24, 2011: FRAME. CRACKED. BS820, S6L FRAME CRACKED, REPAIR ACCOMPLISHED DURING A C4 CHECK ON NRC 505323 IAW SRM 53-10-04, FIGURE 54. - [SDR UIEA2011090900481](https://openairdocs.org/sdr/UIEA2011090900481), Aug 22, 2011: FRAME. CRACKED. DURING C4 CHECK, WHILE COMPLYING WITH SB 747-53A2265, REV 9, FOUND CRACK DAMAGE TO FRAME. DAMAGE WAS REPAIRED IAW SRM 53-10-04 FIG 11. - [SDR UIEA2011082200462](https://openairdocs.org/sdr/UIEA2011082200462), Aug 22, 2011: FRAME. CRACKED. BS 580, S24L FRAME CRACKED, REPAIRED IAW SRM 53-10-04, FIG 35. - [SDR UIEA2011082200460](https://openairdocs.org/sdr/UIEA2011082200460), Aug 22, 2011: FRAME. CRACKED. FUSELAGE - BS540, S24L-S25L FRAME CRACK - REPAIR (THIS EO DOCUMENTS A REPAIR ACCOMPLISHED DURING A C4 CHECK OF THE DATUM ACFT ON NRC 502668 IAW SRM 53-10-04, FI - [SDR UIEA2011082200459](https://openairdocs.org/sdr/UIEA2011082200459), Aug 22, 2011: FRAME. CRACKED. BS 560, S24-S25L FRAME CRACKED. REPAIRED IAW SRM 53-10-04, FIG 35. - [SDR UIEA2011091300494](https://openairdocs.org/sdr/UIEA2011091300494), Aug 21, 2011: CHANNEL. CRACKED. RIGHT BS 840 FRAME TO TENSION TIE ATTACHMENT AREA FOUND 1 EA FASTENER HOLE CRACKED AT FWD CHANNEL CRACK APPROX .1250" IN LENGTH. REPAIR CARRIED OUT IAW HX RS NR - [SDR UIEA2011090900485](https://openairdocs.org/sdr/UIEA2011090900485), Aug 18, 2011: FLOORBEAM. PUNCTURED. DURING ROUTINE INSPECTIONS A 1.0 INCH X 0.5 INCH PUNCTURE WAS FOUND IN THE SUBJECT FLOORBEAM WEB AT BS 280, WL 200. THE PUNCTURE WAS REPAIRED BY ACCOMPLISHING A - [SDR UIEA2011081800457](https://openairdocs.org/sdr/UIEA2011081800457), Aug 18, 2011: WIRE. BURNED. WIRE BUNDLES BURNED INSIDE THE CONDUIT USED FOR THE AILERON LOCK OUT ACTUATOR, THE LATERAL NR 1 HYD SOV AND NR 1 REFUEL VALVE PERFORMED A TIME LIMITED REPAIR IA - [SDR UIEA2011090900484](https://openairdocs.org/sdr/UIEA2011090900484), Aug 17, 2011: FRAME. CRACKED. DURING C4 CHECK. ACCOMPLISHMENT OF SB 747- 53A2416, REV 2 INSPECTIONS (2) 0.040" CRACKS WERE FOUND IN FRAME . 2 ADDITIONAL 0.50" CRACKS WERE FOUND IN THE WEB. R - [SDR UIEA2011080900444](https://openairdocs.org/sdr/UIEA2011080900444), Aug 9, 2011: STRINGER. CRACKED. A 1.3" CRACK IN STRINGER AT BS 940, S-8L. CRACK WAS FOUND DURING ROUTINE INSPECTIONS. REPAIRED WAS ACCOMPLISHED IAW SRM 53-10-03, FIG 4. - [SDR UIEA2011080900438](https://openairdocs.org/sdr/UIEA2011080900438), Aug 9, 2011: FRAME. CRACKED. DISCOVERED 2 EA 0.5" CRACKS IN THE FRAME DOUBLER AT BS 360, S-17L, REF SHEET 3 OF FIG 1. REPAIRED. - [SDR UIEA2011080900437](https://openairdocs.org/sdr/UIEA2011080900437), Aug 9, 2011: FRAME. CRACKED. DISCOVERED 2 CRACKS, 1- 0.875" AND ANOTHER 0.75", IN THE FRAME DOUBLER AT BS 240, S24AL, REF SHEET 1 OF FIG 1. REPAIRED. All 726: https://openairdocs.org/model/boeing-747-2d7b/reports.md --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.