# N718BA: 1992 Boeing 747-4H6 - Status: Valid registration - Airframe: [Boeing 747-4H6](https://openairdocs.org/model/boeing-747-4h6) (registry code 13848BE, 660 seats) - Engine: [Pratt & Whitney PW4056](https://openairdocs.org/engine/pratt-whitney-pw4056) (registry code 51665) - Data sheets: [TCDS E24NE](https://openairdocs.org/tcds/E24NE) (Pratt & Whitney Division) (OpenAirDocs) - Serial number: 27042 - Year built: 1992 - Type: Fixed wing multi engine - Engine type: Turbo-fan - Airworthiness: Experimental, research and development, showing compliance - Airworthiness date: January 20, 2010 - Certificate issued: March 27, 2007 - Expires: November 30, 2029 - Mode S code: A999DF - Registered owner: [Boeing Aircraft Holding Co](https://openairdocs.org/faa-owner/BOEING%20AIRCRAFT%20HOLDING%20CO) - Location: [Renton, WA](https://openairdocs.org/faa-place/WA/Renton) - Owner type: Corporation - Owner's area on the map: 47.4719° N, 122.2194° W: Placed by OpenAirDocs at the center of ZIP code 98057, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=718BA - Page: https://openairdocs.org/aircraft/N718BA From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination. ## ADs that may apply (OpenAirDocs): 25 in force ### Matched by airframe (Boeing 747-4H6) None in force. ### Matched by engine (Pratt & Whitney PW4056) - [AD 2026-21-06](https://openairdocs.org/ad/2026-21-06): Engine Fuel and Control · Pratt & Whitney Division PW4052, PW4056, PW4060 and 10 more. Effective Nov 23, 2026 - [AD 2018-13-02](https://openairdocs.org/ad/2018-13-02): Turbine Engine Combustion Section · Pratt & Whitney Division PW4052, PW4056, PW4060 and 7 more. Effective Jul 20, 2018 - [AD 2016-08-09](https://openairdocs.org/ad/2016-08-09): HPC 10th stage disk · Pratt & Whitney Division PW4050, PW4052, PW4056 and 24 more. Effective Jun 1, 2016 - [AD 2015-22-03](https://openairdocs.org/ad/2015-22-03): LPT 4th stage IAS · Pratt & Whitney Division PW4050, PW4052, PW4056 and 24 more. Effective Dec 1, 2015 - [AD 2012-22-16](https://openairdocs.org/ad/2012-22-16): 3rd stage LPT duct segments · Pratt & Whitney Division PW4050, PW4052, PW4056 and 13 more. Effective Dec 19, 2012 - [AD 2012-14-09](https://openairdocs.org/ad/2012-14-09): 3rd and 4th stage vane fractures · Pratt & Whitney Division PW4050, PW4052, PW4056 and 24 more. Effective Nov 7, 2012 - [AD 2012-18-17](https://openairdocs.org/ad/2012-18-17): HPC drum rotor disk assembly · Pratt & Whitney Division PW4052, PW4056, PW4060 and 16 more. Effective Oct 22, 2012 - [AD 2012-18-03](https://openairdocs.org/ad/2012-18-03): 1st stage HPT air seal rings · Pratt & Whitney Division PW4050, PW4052, PW4056 and 18 more. Effective Oct 11, 2012 - [AD 2012-16-01](https://openairdocs.org/ad/2012-16-01): High-pressure turbine (HPT) stage 1 front hubs · Pratt & Whitney Division PW4052, PW4056, PW4060 and 14 more. Effective Sep 28, 2012 - [AD 2012-06-18](https://openairdocs.org/ad/2012-06-18): Engine · Pratt & Whitney Division PW4050, PW4052, PW4056 and 13 more. Effective Apr 27, 2012 - [AD 2012-04-04](https://openairdocs.org/ad/2012-04-04): fuel metering units (FMUs) · Pratt & Whitney Division PW4050, PW4052, PW4056 and 13 more. Effective Apr 5, 2012 - [AD 2011-25-09](https://openairdocs.org/ad/2011-25-09): PW4000 turbofan engines · Pratt & Whitney Division PW4050, PW4052, PW4056 and 18 more. Effective Jan 10, 2012 - [AD 2010-24-14](https://openairdocs.org/ad/2010-24-14): HPC 10th stage disk · Pratt & Whitney Division PW4050, PW4052, PW4056 and 17 more. Effective Jan 21, 2011 - [AD 2010-24-09](https://openairdocs.org/ad/2010-24-09): No. 3 bearing oil pressure tubes · Pratt & Whitney Division PW4050, PW4052, PW4056 and 34 more. Effective Dec 28, 2010 - [AD 2008-24-13](https://openairdocs.org/ad/2008-24-13): Electronic engine controls (EECs) · Pratt & Whitney Division PW4052, PW4056, PW4060 and 6 more. Effective Jan 8, 2009 - [AD 2005-25-09](https://openairdocs.org/ad/2005-25-09): Engine manufacturer's time limits section (TLS) · Pratt & Whitney Division PW4050, PW4052, PW4056 and 26 more. Effective Jun 12, 2006 - [AD 2003-19-15](https://openairdocs.org/ad/2003-19-15): High-Pressure-Compressor (HPC) Surges · Pratt & Whitney Division PW4050, PW4052, PW4056 and 12 more. Effective Oct 30, 2003 - [AD 2002-12-15](https://openairdocs.org/ad/2002-12-15): Front Drum Rotors · Pratt & Whitney Division PW4052, PW4056, PW4060 and 6 more. Effective Jul 31, 2002 - [AD 2001-05-07](https://openairdocs.org/ad/2001-05-07): Low Pressure Turbine (LPT) 4th Stage Air Seal · Pratt & Whitney Division PW4052, PW4056, PW4060 and 11 more. Effective Mar 30, 2001 - [AD 99-15-01](https://openairdocs.org/ad/99-15-01): Low Pressure Turbine Disks · Pratt & Whitney Division PW4056, PW4152, PW4156A and 3 more. Effective Sep 14, 1999 - [AD 98-23-08](https://openairdocs.org/ad/98-23-08): High Pressure Compressor Blade Tips · Pratt & Whitney Division PW4050, PW4052, PW4056 and 12 more. Effective Jan 12, 1999 - [AD 98-19-03](https://openairdocs.org/ad/98-19-03): High Pressure Turbine Rotating Airseals · Pratt & Whitney Division PW4052, PW4056, PW4060 and 9 more. Effective Nov 9, 1998 - [AD 96-13-08](https://openairdocs.org/ad/96-13-08): AFT Cascade Support Frame Assembly · Pratt & Whitney assembly Part Number 221D5015, Revision A (STC SE744NE). Effective Aug 1, 1996 - [AD 93-08-16](https://openairdocs.org/ad/93-08-16): Fuel Pump · Pratt & Whitney Division PW4050, PW4052, PW4056 and 2 more. Effective Jul 12, 1993 - [AD 90-22-02](https://openairdocs.org/ad/90-22-02): Low Pressure Turbine Shaft · Pratt & Whitney Division PW4050, PW4052, PW4056 and 6 more. Effective Oct 18, 1990 ### Historical (superseded or no longer in force) - [AD 2010-18-13](https://openairdocs.org/ad/2010-18-13) (historical): Blade · Pratt & Whitney Division PW4052, PW4056, PW4060 and 16 more. Effective Oct 18, 2010 - [AD 2003-11-18](https://openairdocs.org/ad/2003-11-18) (historical): High-Pressure-Compressor (HPC) · Pratt & Whitney Division PW4050, PW4052, PW4056 and 12 more. Effective Jul 7, 2003 - [AD 2002-21-10](https://openairdocs.org/ad/2002-21-10) (historical): High pressure compressor (HPC) · Pratt & Whitney Division PW4050, PW4052, PW4056 and 12 more. Effective Nov 12, 2002 - [AD 2002-03-08](https://openairdocs.org/ad/2002-03-08) (historical): Time Limits Section of Engine Manuals (EM's) · Pratt & Whitney Division PW4050, PW4052, PW4056 and 25 more. Effective Apr 16, 2002 - [AD 2001-25-11](https://openairdocs.org/ad/2001-25-11) (historical): Compressor Surges · Pratt & Whitney Division PW4050, PW4052, PW4056 and 12 more. Effective Jan 17, 2002 - [AD 2001-20-13](https://openairdocs.org/ad/2001-20-13) (historical): High Pressure Compressor Front Drum Rotors · Pratt & Whitney Division PW4052, PW4056, PW4060 and 6 more. Effective Nov 16, 2001 - [AD 2001-15-12](https://openairdocs.org/ad/2001-15-12) (historical): High Pressure Compressors (HPC) · Pratt & Whitney Division PW4050, PW4052, PW4056 and 12 more. Effective Aug 10, 2001 - [AD 2001-09-07](https://openairdocs.org/ad/2001-09-07) (historical): High Pressure Compressor (HPC) Surge · Pratt & Whitney Division PW4050, PW4052, PW4056 and 12 more. Effective May 14, 2001 - [AD 2001-08-52](https://openairdocs.org/ad/2001-08-52) (historical): Multiple-engine power loss due to HPC surges · Pratt & Whitney Division PW4050, PW4052, PW4056 and 12 more - [AD 2000-25-06](https://openairdocs.org/ad/2000-25-06) (historical): Low Pressure Turbine (LPT) 4th Stage Air Seal · Pratt & Whitney Division PW4052, PW4056, PW4060 and 11 more. Effective Dec 29, 2000 - [AD 2000-22-01](https://openairdocs.org/ad/2000-22-01) (historical): High Pressure Compressor Cutback Stator · Pratt & Whitney Division PW4050, PW4052, PW4056 and 6 more. Effective Nov 9, 2000 - [AD 2000-12-02](https://openairdocs.org/ad/2000-12-02) (historical): Critical Life-Limited Part · Pratt & Whitney Division PW4050, PW4052, PW4056 and 24 more. Effective Sep 13, 2000 - [AD 99-17-16](https://openairdocs.org/ad/99-17-16) (historical): Pratt & Whitney Division PW4050, PW4052, PW4056 and 11 more. Effective Sep 24, 1999 - [AD 99-08-15](https://openairdocs.org/ad/99-08-15) (historical): Pratt & Whitney Division PW4050, PW4052, PW4056 and 20 more. Effective May 13, 1999 ## Information bulletins (advisory) (5 in force) - [SAIB 2025-06](https://openairdocs.org/saib/2025-06): High Pressure Turbines. Issued Jul 22, 2025 - [SAIB NE-19-02](https://openairdocs.org/saib/NE-19-02): Turbine Engine Compressor Section -- Low-pressure turbine uncontainment. Issued Feb 19, 2019 - [SAIB NE-16-01R1](https://openairdocs.org/saib/NE-16-01R1): Turbine Section. Issued Jan 14, 2016 - [SAIB NE-15-19](https://openairdocs.org/saib/NE-15-19): Turbine Section. Issued Jul 14, 2015 - [SAIB NE-13-31](https://openairdocs.org/saib/NE-13-31): Turbine Engine Oil System Scavenge Oil Tube Coking and Proper Cleaning at Overhaul. Issued May 9, 2013 - [SAIB NE-16-01](https://openairdocs.org/saib/NE-16-01) (historical): Turbine Section. Issued Oct 5, 2015 ## NTSB investigations None matched to N718BA. ## FAA accident and incident reports None matched to N718BA. ## Service difficulty reports (77, newest 50) As reported by operators and repair stations. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR UIEA2025121601349](https://openairdocs.org/sdr/UIEA2025121601349), Dec 16, 2025: PDU. WARNING MESSAGE. FLAP DRIVE EICAS MSG. R & R LE FLAP PDU IAW AMM 27-81-05 & IPC 27-81-03-01. OPS CHKD OK. - [SDR UIEA2025010400003](https://openairdocs.org/sdr/UIEA2025010400003), Jan 4, 2025: WARNING MESSAGE. ACTIVATED. LOW SPEED RTO PRIOR TO 40 KIAS, #1 EPR INDICATION DISAPPEARED.(

REF MEL 73-21-01 DMI 223505 OPERATION NOTE #4 FOR EPR INDICATION LOSS. 

/

PERFORME - [SDR UIEA2024122001179](https://openairdocs.org/sdr/UIEA2024122001179), Dec 20, 2024: LIGHT. INOPERATIVE. UPPER DECK EMERGENCY LIGHTS INOP. MAIN DECK RH ZONE EMERGENCY LIGHTS INOP.(

R/R UPPER DECK EMERGENCY LT POWER SUPPLY IAW AMM 33-51-04 SN 49816 PN BPS7-3. TEST - [SDR UIEA2024040500236](https://openairdocs.org/sdr/UIEA2024040500236), Apr 5, 2024: PLATE. CORRODED. CORROSION- PLATE, UPPER FACE OF R/H WING T/E INBD MID FLAP TOP PNL, WBL 375(

1. PERFORM PERMANENT REPAIR - CORROSION DAMAGES ON RH WING MID FLAP UPPER SKIN PA - [SDR UIEA2024040500235](https://openairdocs.org/sdr/UIEA2024040500235), Apr 5, 2024: SKIN. CORRODED. BULGE-SKIN, LOWER FACE OF RH WING T/E FORE FLAP L/E FRONT SPAR LOWER CHORD AREA, WBL 242 AND WBL 244(

1. PERFORM PERMANENT REPAIR AT RH WING T/E INBD FORE FLA - [SDR UIEA2022101201121](https://openairdocs.org/sdr/UIEA2022101201121), Oct 11, 2022: TIRE. BLOWN. LOST TIRE #8 ON TAKE-OFF OUT OF TAR (REPLACEMENT OF AXLE AND INNER/OUTER SLEEVES IN WORK) - [SDR UIEA2022030300188](https://openairdocs.org/sdr/UIEA2022030300188), Mar 3, 2022: DOOR ACTUATOR. OUT OF ADJUST. FOUND FWD CARGO DOOR LATCH ACTUATOR CAN NOT TURN IN LIMIT AT OPEN POSITION.(

IAW AMM TASK 52-34-00-805-005 REV 103 TO ADJUST FWD CGO DOOR LATCH ACTUATOR AT OP - [SDR UIEA2022030300189](https://openairdocs.org/sdr/UIEA2022030300189), Mar 3, 2022: DOOR ACTUATOR. OUT OF ADJUST. FOUND AFT CGO DOOR LATCH ACTUATOR CAN NOT TURN IN LIMIT AT OPEN POSITION(

IAW AMM TASK 52-34-00-805-005 REV 103 TO ADJUST AFT CGO DOOR LATCH ACTUATOR AT OPEN - [SDR UIEA2022030300190](https://openairdocs.org/sdr/UIEA2022030300190), Mar 3, 2022: DOOR ACTUATOR. OUT OF ADJUST. FOUND FWD CGO DOOR LATCH ACTUATOR CAN NOT TURN IN LIMIT AT CLOSED POSITION(

IAW AMM TASK 52-34-00-805-005 REV 103 TO ADJUST FWD CGO DOOR LATCH ACTUATOR AT CLO - [SDR UIEA2022030300186](https://openairdocs.org/sdr/UIEA2022030300186), Mar 3, 2022: RESERVOIR. INOPERATIVE. FOUND L1 DOOR EMER POWER RESERVOIR LIFE LIMIT DUE(

IAW AMM TASK 52-11-06-004-001 REV 103 AND AMM TASK 52-11-06-202-015 REV 103. REPLACED L1 DOOR EMERGENCY POW - [SDR UIEA2022030300187](https://openairdocs.org/sdr/UIEA2022030300187), Mar 3, 2022: SKIN. CORRODED. PITTING CORROSION - SKIN, NO. 1 PYLON AFT STRUT FAIRING FWD BULKHEAD(

BLENDED OUT THE DAMAGED AREA IAW SRM 51-10-02 REV. 50. PERFORM NDT INSPECTION, REFER TO - [SDR UIEA2020070201473](https://openairdocs.org/sdr/UIEA2020070201473), Jun 30, 2020: SWITCH. FAILED. FOUND SWITCH S1340 FUNCTION FAIL AT RT WLG. IAW AMM 32-36-02-004-001 / 32-36-02-A04-005 REV 98 AND WDM 32-35-12 REV 22 REPLACED SWITCH S1240. IAW AMM 32-36-02-7 - [SDR UIEA2020070201475](https://openairdocs.org/sdr/UIEA2020070201475), Jun 30, 2020: ROTARY ACTUATOR. FAILED. FOUND FUNCTION FAIL AT RT WLG ALTERNATE ROTARY ACTUATOR. IAW AMM 32-36-01-004-001 REV 98 AND AMM 32-36-01-404-009 REV 98 REPLACED ROTARY ACTUATOR AT RT WLG AND - [SDR UIEA2020070201476](https://openairdocs.org/sdr/UIEA2020070201476), Jun 30, 2020: SKIN. CORRODED. CORROSION - SKIN, NR 2 PYLON LT CORE COWL UPPER REAR SKIRT FAIRING ACCESS PANEL 462XJL EXTERIOR SURFACE. REMOVED DAMAGED SKIN IAW SRM 51-40-02 REV 46. INSTALL N - [SDR UIEA2020070201477](https://openairdocs.org/sdr/UIEA2020070201477), Jun 30, 2020: SKIN. DEFORMED. DEFORMATION ON FUSELAGE SKIN NEAR STA 620, S-25L TO S-26L. REPAIRED THE DEFORMATION FUSELAGE SKIN IAW EI NO T2020A53M-1669 REV 2. JOB COMPLETED AND CONDITION CH - [SDR UIEA2020070201478](https://openairdocs.org/sdr/UIEA2020070201478), Jun 30, 2020: CARGO TRACK. CRACKED. CRACK ON THE OUTBD FLANGE OF MAIN DECK CGO RAIL 189300-31 AND WEB OF MAIN DECK CARGO FLOOR AT STA 1890, LBL 98.2. ACCOMPLISHED DAMAGE AREA REPAIR IAW EI NO T202 - [SDR UIEA2020070201479](https://openairdocs.org/sdr/UIEA2020070201479), Jun 30, 2020: CARGO TRACK. CRACKED. CRACK ON THE OUTBD FLANGES OF MAIN DECK CGO RAIL (PN: 189300-27) AT STA 1790, INBD OF LBL 98.2. ACCOMPLISHED DAMAGE AREA REPAIR IAW EI NR T2020A53M-1663 REV 1. - [SDR UIEA2020050800951](https://openairdocs.org/sdr/UIEA2020050800951), May 6, 2020: BATTERY. DISCHARGED. FLIGHT DECK EMERGENCY LIGHTS INOP(

REMOVED AND REPLACED EMERGENCY LIGHT BATTERY ASSY. IAW AMM 33-51-04. EMERGENCY LIGHTS TEST PASSED, NO DEFECTS.

) - [SDR UIEA2020050800952](https://openairdocs.org/sdr/UIEA2020050800952), May 6, 2020: BATTERY. DISCHARGED. MAIN DECK LEFT EMERGENCY LIGHTS INOP(

REMOVED AND REPLACED EMERGENCY BATTERY LIGHT ASSY IAW AMM 33-51-04. EMERGENCY LIGHT TEST PASS, NO DEFECTS.

) - [SDR UIEA2018121982865](https://openairdocs.org/sdr/UIEA2018121982865), Dec 19, 2018: SKIN. CRACKED. CRACK AND CREASE ON THE LH FUSELAGE SKIN BETWEEN STA 400 AND STA 440, S-44L.(

1.ACCOMPLISH IAW EI NO.T2018A53M-7184,REV.2 2).JOB COMPLETED AND COND. CHK NML.< - [SDR UIEA2018121982866](https://openairdocs.org/sdr/UIEA2018121982866), Dec 19, 2018: STRUCTURE. CRACKED. DEVIATIONS AND 1 EA CRACK FASTENER HOLE FOUND DURING PERFORMING SB 747-53A2305 FOR RH SIDE.(

1.ACCOMPLISH I.A.W. EI NO.T2018A53M-7178 REV.1

2.JOB COMPLE - [SDR UIEA2018121982868](https://openairdocs.org/sdr/UIEA2018121982868), Dec 19, 2018: TEE FITTING. CORRODED. CORROSION-TEE OF RH BODY GEAR W/W LONGERON BOX AT STA 1394.RBL.120(

1.REMOVE DAMAGE PARTS I.A.W. SRM 51-40-02,REV.41.

2.FABRICATE PART I.A.W. EI NO.T201 - [SDR UIEA2018121982867](https://openairdocs.org/sdr/UIEA2018121982867), Dec 19, 2018: BRACKET. CORRODED. CORROSION ON BRACKET OF RH SIDE LATERAL CENTRAL CONTROL PACKAGE.(

1.REMOVE DAMAGE PART I.A.W. SRM 51-40-02 REV.41

2.ACCOMPLISHED EI NO.T2018A53M-7267 RE - [SDR UIEA2018121982869](https://openairdocs.org/sdr/UIEA2018121982869), Dec 19, 2018: FITTING. CORRODED. CORROSION-FITTING,R/H WING NO.16 KRUEGAR FLAP FOLDING NOSE LINK LOWER FITTING.(

1.I.A.W. AMM 20-51-01-912-008 REV.94 REMOVED R/H WING NO.16 KRUEGAR FLAP FOLDI - [SDR UIEA2018121982870](https://openairdocs.org/sdr/UIEA2018121982870), Dec 19, 2018: SPAR. CORRODED. CORROSION DAMAGE ON THE REAR SPAR WEB OF CENTER WING AT STA 1241 LBL.91.(

1.REPAIR DAMAGE AREA I.A.W. EI NO.T2018A57M-7290,REV.0&NBSP;

2.JOB COMPLETED A - [SDR UIEA2018121982871](https://openairdocs.org/sdr/UIEA2018121982871), Dec 19, 2018: PLATE. CORRODED. CORROSION-PLATE,R/H WING INBD T/E CAVITY REAR SPAR NO.3 TANK JETTISON PUMP BONDING END AREA, WS 425(

1.REPAIR DAMAGE AREA I.A.W. EI NO:T2018A57M-7278,REV.0.) - [SDR UIEA2017070301100](https://openairdocs.org/sdr/UIEA2017070301100), Jul 1, 2017: SKIN. CORRODED. CORROSION ON THE RT WING INTERSPAR LWR SKIN LOWER SURFACE A ROUND SURGE TANK SUMP DRAIN. ACCOMPLISHED IAW EI T2017A57M-1457 REV 1 JOB COMPLETED AND CONDITION CH - [SDR UIEA2017070301101](https://openairdocs.org/sdr/UIEA2017070301101), Jul 1, 2017: STRUCTURE. CORRODED. CORROSION CHORD OLES 1549, RT WING L/E COMPT UPPER SIDE. RMV DAMAGE DAMAGE IAW SRM 51-10-02 REV 36. WITHIN ALLOWABLE LIMIT IAW SRM 57-20-10-1A-0 REV.36 AND NDT - [SDR UIEA2017070301102](https://openairdocs.org/sdr/UIEA2017070301102), Jul 1, 2017: BEAM. CORRODED. BEAM CORRODED, OLES 1351, RT WING L/E COMPT. REMOVED DAMAGE IAW SRM 51-20-02 REV 36, FOUND WITHIN ALLOWABLE LIMITS IAW SRM 57-41-13-1A-1 REV 36. - [SDR UIEA2017070301103](https://openairdocs.org/sdr/UIEA2017070301103), Jul 1, 2017: WEB. CORRODED. WEB CORRODED ON RT WING L/E COMPT FWD SIDE. REMOVED DAMAGE IAW SRM 51-10-02 REV 36. FOUND WITHIN ALLOWABLE LIMITS IAW SRM 57-41-13-1A-1, REV 36. - [SDR UIEA2017070301105](https://openairdocs.org/sdr/UIEA2017070301105), Jul 1, 2017: INDICATOR. INOPERATIVE. STANDBY ATTITUDE INDICATOR INOPERATIVE. REPLACED THE STANDBY ATTITUDE INDICATOR IAW AMM 34-24-01-004-001 AND 34-24-01-404-005 REV 89. PERFORMED STBY ATT INDICAT - [SDR UIEA2017070301106](https://openairdocs.org/sdr/UIEA2017070301106), Jul 1, 2017: ACTUATOR. NO TEST. OPS TEST FAILED, ALTERNATE EXTENSION SYSTEM OF THE LT WING MLG. REPLACED THE LT WING MLG ALTERNATE ELECTRICAL ACTUATOR IAW AMM 32-36-01-004-001, REV 89, AND AMM - [SDR UIEA2017030800310](https://openairdocs.org/sdr/UIEA2017030800310), Mar 8, 2017: COVER. CRACKED. ON FLIGHT CONTROL CHECK PRIOR TO TAXI, EXPERIENCED STICKING, SNAPPING, INAPPROPRIATE RIGHT RUDDER RETURN. CONDITION SEEMED TO AMELIORATE WITH REPETITION BUT DID - [SDR UIEA2016020800078](https://openairdocs.org/sdr/UIEA2016020800078), Feb 8, 2016: UNKNOWN. MALFUNCTIONED. EICAS MSG, AILERON LOCKOUT ON CLIMB OUT. FOUND CMC 27322 & 27001. REPLACED RT SRM IAW AMM 27-41-02. - [SDR UIEA2016020300045](https://openairdocs.org/sdr/UIEA2016020300045), Feb 2, 2016: SKIN. CORRODED. CORROSION ON UPPER SKIN OF HORIZONTAL STABILIZER, CTR SECTION AT STRINGER 8C, LBL 9 & STRINGER 10C, LBL 3. REMOVED RIVETS FOR ACCESS IAW SRM 51-40-02-0G-0 REV 2 - [SDR UIEA2016020600076](https://openairdocs.org/sdr/UIEA2016020600076), Feb 2, 2016: FIRE BOTTLE. DAMAGED. FOUND MAIN DECK CARGO HALON FIRE EXTINGUISHER DAMAGE AT SWING TAIL RT, LT & TTL 2 EACH. IAW AMM 26-26-01-000-801 REV 85 & AMM 26-26-01-400-801 REV 85 REPLACED M - [SDR UIEA2016020500054](https://openairdocs.org/sdr/UIEA2016020500054), Feb 2, 2016: STATIC INVERTER. FAILED. FOUND MAIN STATIC INVERTER FUNCTIONAL FAILED. IAW AMM 24-29-01-004-001-001 & 24-29-01-404-005-001 REV 85, REPLACED MAIN STATIC INVERTER & COND CHECKED NORMAL. I - [SDR UIEA2016020500049](https://openairdocs.org/sdr/UIEA2016020500049), Feb 2, 2016: KEELBEAM. CORRODED. CORROSION ON RT KEEL BEAM LOWER CHORD 65B15074-6, BETWEEN STATION 1466 & 1470, WL 86 - 91. ACCOMPLISHED EI NR T2015A53B-2813 REV 3. JOB COMPLETED & COND CHECKED - [SDR UIEA2016020300038](https://openairdocs.org/sdr/UIEA2016020300038), Feb 2, 2016: DOOR FRAME. CRACKED. FOUND CRACK ON FRAME OF L1 ENTRY DOOR, FWD UPPER CORNER. ACCOMPLISHED EI NR T2015A52B-2795 REV 2. JOB COMPLETED & COND CHECKED NORMAL. - [SDR UIEA2016020300039](https://openairdocs.org/sdr/UIEA2016020300039), Feb 2, 2016: SKIN. CORRODED. CORROSION ON THE LT WING UPPER SKIN, UPPER SURFACE AT STRINGER 2, NEAR LBBL 127.58. REMOVED FOR ACCESS REFER TO JC SHEET 0062820. BLENDED THE CORROSION AREA IAW - [SDR UIEA2016020300044](https://openairdocs.org/sdr/UIEA2016020300044), Feb 2, 2016: KEELBEAM. CORRODED. CORROSION DAMAGE WAS FOUND ON THE KEEL BEAM WEB, AT STATION 1276, WL 116 & LBL 9. REMOVE THE AFFECTED FASTENERS IAW SRM 51-40-02 REV 32 2. BLEND OUT THE DAMAGED - [SDR UIEA2015012600011](https://openairdocs.org/sdr/UIEA2015012600011), Jan 26, 2015: AUTOPILOT SYS. DISCONNECTED. ENCOUNTERED MOUNTAIN WAVE & AIRSPEED INDICATED. ACCOMPANIED BY SIREN. AUTOPILOT DISCONNECTED & ACFT RETURNED TO NORMAL PARAMETERS. PERFORMED CONDITIONAL INSPECT - [SDR UIEA2014101000478](https://openairdocs.org/sdr/UIEA2014101000478), Oct 10, 2014: KEELBEAM. CORRODED. FIND KEEL BEAM STRUCTURE LOWER CHORD HAD CORROSION NEAR PANEL 191AL, STATION 999, LBL 9 & WL 91. REPAIRED DAMAGE AREA IAW EI NO T2014A53B 2597 SEQUENCE A & B RE - [SDR UIEA2014101000479](https://openairdocs.org/sdr/UIEA2014101000479), Oct 10, 2014: ACCESS PANEL. DAMAGED. SINK SCREWS OF THE ACCESS PANEL NR 452 KR ON & NR 1 PYLON NEAR ABOVE THE EXHAUST SLEEVE. ACCOMPLISHED REPAIR IAW EI NO T2014A54B 2782 REV 1. CONDITION CHECKED N All 77: https://openairdocs.org/aircraft/N718BA/reports.md ## STCs that may be installed (OpenAirDocs) (3) Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do. ### Approved for the engine (Pratt & Whitney PW4056) - [STC SE01543CH](https://openairdocs.org/stc/SE01543CH): Replace Hamilton Sundstrand P/N 778839-13, 778839-14, 778839-19, 778839-20, 778839-37, 778839-38, 816682-1, 840618-2, 880724 carbon bushings with Cook Airtomic P/N AIR22947 Slotted Entry Busing in the High Pressure Shutoff Valve. Cook Airtomic - [STC SE00053AT-D](https://openairdocs.org/stc/SE00053AT-D): Modification of fan exit guide vane, to line replaceable unit configuration. Chromalloy Gas Turbine Corp - [STC SE00131LA](https://openairdocs.org/stc/SE00131LA): Modification of the subject engines to incorporate an oil tank reservoir insulation blanket in accordance with Hi Temp Insulation Inc. Drawing List 46M1024-301, Revision N/C, dated December 5, 1995, or later FAA approved revision as an acceptable alternate to Pratt & Whitney part number 50R280-01 or 51R059-01 insulation blankets. Hi Temp Insulation Inc ## Related - Other Boeing 747-4H6 aircraft: https://openairdocs.org/model/boeing-747-4h6/aircraft.md - The Pratt & Whitney PW4056 engine: https://openairdocs.org/engine/pratt-whitney-pw4056.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.