# Service difficulty reports: N369AA, cancelled Oct 30, 2018 A list on [N369AA, cancelled Oct 30, 2018](https://openairdocs.org/deregistered/N369AA-2018-10-30.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. Page 1 of 4 · 153 reports - [SDR MK1Y20181007004](https://openairdocs.org/sdr/MK1Y20181007004.md): Bushing · damaged · Oct 7, 2018 · N369AA · Boeing 767323 · Nacelle/Pylon Miscellaneous Structure > UPON PYLON REMOVAL FOUND DAMAGE IN THE BUSHING COMMON TO RT WING FRONT SPAR OUTBOARD PITCH LOAD FITTING - [SDR MK1Y20181007003](https://openairdocs.org/sdr/MK1Y20181007003.md): Bushing · damaged · Oct 7, 2018 · N369AA · Boeing 767323 · Nacelle/Pylon Miscellaneous Structure > UPON PYLON REMOVAL FOUND DAMAGE IN THE BUSHING COMMON TO LT WING FRONT SPAR OUTBOARD PITCH LOAD FITTING - [SDR MK1Y20181007002](https://openairdocs.org/sdr/MK1Y20181007002.md): Frame · cracked · Oct 7, 2018 · N369AA · Boeing 767323 · Fuselage Main, Frame > DURING PERFORMANCE OF AD 2012-22-17 AND SB 53A0209 FOUND CRACK BY LENGTH OF 2.0" AT FRAME INNER CHORD TRANSITION RADIUS RHS STA 903.5 RBL 89. - [SDR MK1Y20181007001](https://openairdocs.org/sdr/MK1Y20181007001.md): Strap · corroded · Oct 7, 2018 · N369AA · Boeing 767323 · Fuselage Main, Frame > FOUND CORROSION COMMON TO STA 903.5 FRAME FAIL SAFE STRAP AROUND S-19R - [SDR AALA20171019002](https://openairdocs.org/sdr/AALA20171019002.md): Battery · discharged · Oct 19, 2017 · N369AA · Boeing 767323 · Emergency Lighting > AIRCRAFT WAS IN BASE MAINTENANCE. EMERGENCY EXIT LIGHTS FROM SEATS 25H TO 29H ARE INOPERATIVE. REMOVED AND REPLACED BATTERY ASSEMBLY M1210 PER AMM 33-60-98. OPERATIONAL CHECK GOOD. - [SDR AALA20171018002](https://openairdocs.org/sdr/AALA20171018002.md): Angle · cracked · Oct 18, 2017 · N369AA · Boeing 767323 · Fuselage Miscellaneous Structure > CRACKED AFT CARGO ANGLE BETWEEN BS 1270 AND 1286, RBL 52. REMOVED AND REPLACED THE ANGLE IAW SRM 51-00-05. - [SDR AALA20171017007](https://openairdocs.org/sdr/AALA20171017007.md): Pin · missing · Oct 16, 2017 · N369AA · Boeing 767323 · Light System Wiring > SEAT MOUNTED EMERGENCY LIGHTS AT SEAT 21AB ARE INOPERATIVE. INSTALLED PIN TO EPL WIRE CONNECTOR IAW SWPM 20-10-11. OPS CHECKED GOOD. - [SDR AALA201708079002](https://openairdocs.org/sdr/AALA201708079002.md): Flashlight · inoperative · Aug 2, 2017 · N369AA · Boeing 767323 · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED. RIGHT HAND MID GALLEY FLIGHT ATTENDANT FLASHLIGHT INOPERATIVE. REPLACED RIGHT HAND MID GALLEY FLASHLIGHT PER AMM 25-64-00. ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK. - [SDR AALA20170626003](https://openairdocs.org/sdr/AALA20170626003.md): Connector · loose · Jun 26, 2017 · N369AA · Boeing 767323 · Light System Wiring > EMERGENCY EXIT LIGHTS AT SEATS 25H THROUGH 29H ARE INOPERATIVE. SEATED THE CONNECTOR AT SEAT 30H IAW AMM 33-51-10. OPERATIONAL CHECKED GOOD. - [SDR AALA201706129044](https://openairdocs.org/sdr/AALA201706129044.md): Lens · missing · Jun 9, 2017 · N369AA · Boeing 767323 · Emergency Lighting > SEAT MOUNTED EMERGENCY LIGHT AT SEAT 13B HAS A MISSING CLEAR LENS. INSTALLED THE LENS IAW AMM 33-51-10. OPERATIONAL CHECKED GOOD. - [SDR AALA201705159043](https://openairdocs.org/sdr/AALA201705159043.md): Tube · cracked · May 5, 2017 · N369AA · Boeing 767323 · Fuel Selector/Shut-Off Valve > DURING FLIGHT, THE CREW OBSERVED AN UNCOMMANDED FUEL TRANSFER FROM THE CENTER TANK TO THE LEFT MAIN FUEL TANK. REMOVED AND REPLACED OTBD FUELING SHUTOFF VALVE IAW AMM 28-21-02, FUELING SHUTOFF VALVE CONTROL UNIT IAW AMM 28-21-12, DEFUELING VALVE IAW AMM 28-26 - [SDR AALA201705159042](https://openairdocs.org/sdr/AALA201705159042.md): Actuator · faulty · May 5, 2017 · N369AA · Boeing 767323 · Fuel Selector/Shut-Off Valve > DURING FLIGHT, THE CREW OBSERVED AN UNCOMMANDED FUEL TRANSFER FROM THE CENTER TANK TO THE LEFT MAIN FUEL TANK. REMOVED AND REPLACED OTBD FUELING SHUTOFF VALVE IAW AMM 28-21-02, FUELING SHUTOFF VALVE CONTROL UNIT IAW AMM 28-21-12, DEFUELING VALVE IAW AMM 28-26 - [SDR AALA201705159040](https://openairdocs.org/sdr/AALA201705159040.md): Shutoff Valve · faulty · May 5, 2017 · N369AA · Boeing 767323 · Fuel Selector/Shut-Off Valve > DURING FLIGHT, THE CREW OBSERVED AN UNCOMMANDED FUEL TRANSFER FROM THE CENTER TANK TO THE LEFT MAIN FUEL TANK. REMOVED AND REPLACED OTBD FUELING SHUTOFF VALVE IAW AMM 28-21-02, FUELING SHUTOFF VALVE CONTROL UNIT IAW AMM 28-21-12, DEFUELING VALVE IAW AMM 28-26 - [SDR AALA201705159039](https://openairdocs.org/sdr/AALA201705159039.md): Control Unit · faulty · May 5, 2017 · N369AA · Boeing 767323 · Fuel Selector/Shut-Off Valve > DURING FLIGHT, THE CREW OBSERVED UNCOMMANDED FUEL TRANSFER FROM THE CENTER TANK TO THE LEFT MAIN FUEL TANK. REMOVED AND REPLACED THE OTBD FUELING SHUTOFF VALVE IAW AMM 28-21-02, FUELING SHUTOFF VALVE CONTROL UNIT IAW AMM 28-21-12, DEFUELING VALVE IAW AMM 28- - [SDR AALA201705099001](https://openairdocs.org/sdr/AALA201705099001.md): Shutoff Valve · faulted · May 5, 2017 · N369AA · Boeing 767323 · Fuel Transfer Valve > AIRCRAFT WAS GROUNDED. DURING FLIGHT THE CREW OBSERVED UNCOMMANDED FUEL TRANSFER FROM THE CENTER TANK TO THE LEFT MAIN FUEL TANK. REMOVED AND REPLACED OUTBOARD FUELING SHUTOFF VALVE IAW AMM 28-21-02, FUELING SHUTOFF VALVE CONTROL UNIT IAW AMM 28-21-12, DEFU - [SDR AALA201704259022](https://openairdocs.org/sdr/AALA201704259022.md): Floor Support · damaged · Apr 23, 2017 · N369AA · Boeing 767323 · Fuselage Miscellaneous Structure > AIRCRAFT WAS NOT GROUNDED. HORIZONTAL ATTACHING FRAME HARDWARE PULLED THROUGH FLOORBOARD ON LEFT AISLE BETWEEN SEAT TRACKS 25 THROUGH 27BC. REMOVED AND REPLACED FLOORBOARD SUPPORT IAW AARD 51-00-05 AND AMM 53-01-01. - [SDR AALA201703099037](https://openairdocs.org/sdr/AALA201703099037.md): Battery Pack · discharged · Mar 6, 2017 · N369AA · Boeing 767323 · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED. SEAT MOUNTED EMERGENCY ESCAPE PATH LIGHTS AT SEATS 25H TO 29H ARE INOPERATIVE. REMOVED AND REPLACED BATTERY PACK M00732. OPERATIONAL CHECK GOOD. - [SDR AALA20170125018](https://openairdocs.org/sdr/AALA20170125018.md): Flashlight · inoperative · Jan 25, 2017 · N369AA · Boeing 767323 · Emergency Equipment > AIRCRAFT WAS NOT GROUNDED. FORWARD FLIGHT ATTENDANT EMERGENCY FLASHLIGHT IS INOPERATIVE. REMOVED AND REPLACED FLASHLIGHT. OPERATIONAL CHECK GOOD. - [SDR AALA20170105018](https://openairdocs.org/sdr/AALA20170105018.md): Splice · faulty · Jan 3, 2017 · N369AA · Boeing 767323 · Flight Control System Wiring > AIRCRAFT WAS GROUNDED. DURING FCF AFTER 9 MINS IN CRUISE AT FL380 THE LEADING EDGE SLAT ASYMMETRY ANNUNCIATED ON EICAS. REPEATED SEVERAL TIMES THEN REMAINED ANNUNCIATED. EMERGENCY DECLARED. RETURNED TO TUL. MAINTENANCE FOUND SPLICE SM8 ON WIRE W430-008-18 FOR - [SDR AALA20161027011](https://openairdocs.org/sdr/AALA20161027011.md): Girt Bar · obstructed · Oct 26, 2016 · N369AA · Boeing 767323 · Emergency Equipment > R4 DOOR WILL NOT ARM. REMOVED DEBRIS FROM GIRT BAR TRACK IAW FIM 25-66-00. OPS CHECKED GOOD. - [SDR AALA20160801008](https://openairdocs.org/sdr/AALA20160801008.md): Attach Angle · cracked · Aug 1, 2016 · N369AA · Boeing 767323 · Fuselage Main, Attach Fittings > PULLEY BRACKET ATTACH ANGLE AT BS 246, RBL 18 FOUND CRACKED. REMOVED AND REPLACED THE ATTACH ANGLE IAW SRM 53-10-51-2R-3. - [SDR AALA20160801007](https://openairdocs.org/sdr/AALA20160801007.md): Attach Angle · cracked · Aug 1, 2016 · N369AA · Boeing 767323 · Fuselage Main, Attach Fittings > PULLEY BRACKET ATTACH ANGLE AT BS 246 AND RBL 5 FOUND CRACKED. REMOVED AND REPLACED THE ATTACH ANGLE IAW SRM 53-10-51-2R-3. - [SDR AALA20160801006](https://openairdocs.org/sdr/AALA20160801006.md): Attach Angle · cracked · Aug 1, 2016 · N369AA · Boeing 767323 · Fuselage Main, Attach Fittings > PULLEY BRACKET ATTACH ANGLE AT BS 246 AND RBL 2 IS CRACKED. REMOVED AND REPLACED THE ATTACH ANGLE IAW SRM 53-10-51-2R-3. - [SDR AALA20160628002](https://openairdocs.org/sdr/AALA20160628002.md): Battery · discharged · Jun 27, 2016 · N369AA · Boeing 767323 · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED. SEAT MOUNTED EMERGENCY LIGHTS BETWEEN ROWS 33HJ AND 41HJ ARE INOPERATIVE. R & R EMERGENCY BATTERY AND CHARGER ASSEMBLIES IAW AMM 33-60-98. SYSTEM CHECKS NORMAL. ALSO AALA20160627008. - [SDR AALA20160627008](https://openairdocs.org/sdr/AALA20160627008.md): Charger · inoperative · Jun 27, 2016 · N369AA · Boeing 767323 · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED. SEAT MOUNTED EMERGENCY LIGHTS BETWEEN ROWS 33HJ AND 41HJ ARE INOPERATIVE. R & R EMERGENCY BATTERY AND CHARGER ASSEMBLIES IAW AMM 33-60-98. SYSTEM CHECKS NORMAL. ALSO AALA20160628002. - [SDR AALA20160324005](https://openairdocs.org/sdr/AALA20160324005.md): Bolt · broken · Mar 24, 2016 · N369AA · Boeing 767323 · Leading Edge Slat Actuator > AIRCRAFT WAS GNDED. DURING POST ARRIVAL MX WALK AROUND, THE NR 2 SLAT WAS OBSERVED TO BE NOT FAIRED WITH THE WING. UPON FURTHER INVESTIGATION THE NR 2 SLAT OTBD ACTUATOR ARM ROD END BOLT WAS FOUND BROKEN. R & R ROD END BOLT, ROD END & BRACKET ASSEMBLY IAW A - [SDR AALA20151002001](https://openairdocs.org/sdr/AALA20151002001.md): Charger · failed · Oct 1, 2015 · N369AA · Boeing 767323 · Battery/Charger System > MAIN BATTERY CHARGER STATUS MSG DISPLAYED. FLIGHT DECLARED AN EMER & DIVERTED WITHOUT FURTHER INCIDENT. ACFT WAS REMOVED FROM SERVICE. R & R BATTERY CHARGER IAW MM 24-31-02. - [SDR AALA20150608009](https://openairdocs.org/sdr/AALA20150608009.md): Lens · missing · Jun 7, 2015 · N369AA · Boeing 767323 · Emergency Lighting > SEAT 6B IS MISSING TWO EMER LIGHT LENS. REPLACED TWO EACH LENSES ON SEAT 6B. SYS CHECKED NORMAL. SEE ALSO AALA20150608008. - [SDR AALA20150608008](https://openairdocs.org/sdr/AALA20150608008.md): Lens · missing · Jun 7, 2015 · N369AA · Boeing 767323 · Emergency Lighting > SEAT 6B IS MISSING TWO EMER LIGHT LENSES. REPLACED TWO EACH LENSES ON SEAT 6B. SYS CHECKED NORMAL. SEE ALSO AALA20150608009. - [SDR AALA20150503005](https://openairdocs.org/sdr/AALA20150503005.md): Failsafe · misrepaired · May 3, 2015 · N369AA · Boeing 767323 · Wing Main, Frame Structure > DURING THE BULKHEAD FITTING FAILSAFE STRAP INSPECTION, REPAIR IAW ECO C3039CA, 12 FASTENER HOLES ON THE WING TE ACCESS PANEL WERE FOUND TO BE THE WRONG SIZE, 1/4 INCH INSTEAD OF 3/16 INCH. INSTALLED 12 EACH LARGER FASTENERS IAW EA 250902 & SRM 51-40-0W. - [SDR AALA20150503002](https://openairdocs.org/sdr/AALA20150503002.md): Skin · damaged · May 3, 2015 · N369AA · Boeing 767323 · Fuselage Main, Plate/Skin > FASTENER HOLE IN SKIN & STRAP AT BS 963.5, RBL 99, WL 180 ELONGATED. REPAIRED HOLE IAW EA 250399. - [SDR AALA20150503003](https://openairdocs.org/sdr/AALA20150503003.md): Skin · corroded · May 1, 2015 · N369AA · Boeing 767323 · Fuselage Main, Plate/Skin > FUSELAGE SKIN CORROSION & FRETTING AT BS 961 BETWEEN STRINGER 22R & 23R. REPAIRED IAW EA 250455. - [SDR AALA20150503006](https://openairdocs.org/sdr/AALA20150503006.md): Tee Fitting · corroded · Apr 26, 2015 · N369AA · Boeing 767323 · Fuselage Main, Structure > RIGHT TEE FITTING FOUND CORRODED AFTER REMOVAL. R & R TEE FITTING IAW ECO C3039CA FIGURE 5 SHEET 3,4 & 5. - [SDR AALA20150401013](https://openairdocs.org/sdr/AALA20150401013.md): Fitting · corroded · Apr 1, 2015 · N369AA · Boeing 767323 · Nacelle/Pylon, Attach Fittings > CORROSION ON RT WING LOWER SURFACE PYLON PITCH FITTING FWD INBD HOLE. REPAIRED PITCH FITTING IAW EA 57-039231 DATED APRIL 1 2015. - [SDR AALA20150401012](https://openairdocs.org/sdr/AALA20150401012.md): Fitting · corroded · Apr 1, 2015 · N369AA · Boeing 767323 · Nacelle/Pylon, Attach Fittings > CORROSION ON LT WING LOWER SURFACE PYLON PITCH FITTING FWD INBD HOLE. REPAIRED PITCH FITTING IAW EA B767-57-039231 DATED APRIL 1 2015. - [SDR AALA20150327003](https://openairdocs.org/sdr/AALA20150327003.md): Light · inoperative · Mar 27, 2015 · N369AA · Boeing 767323 · Emergency Lighting > RED EMER LIGHT MOUNTED ON DIVIDER BETWEEN SEAT 17B & 20B WAS INOPERATIVE. RELAMPED RED EMER LIGHT. - [SDR AALA20150327002](https://openairdocs.org/sdr/AALA20150327002.md): Battery Pack · discharged · Mar 27, 2015 · N369AA · Boeing 767323 · Emergency Lighting > IN SEAT EMER LIGHTING ON SEATS 32AB - 41AB WENT DIM DURING EMER LIGHT DURATION TEST. REPLACED EMER LIGHT BATTERY PACK. - [SDR AALA20150326008](https://openairdocs.org/sdr/AALA20150326008.md): Charger · inoperative · Mar 26, 2015 · N369AA · Boeing 767323 · Emergency Lighting > SEAT MOUNTED EMER PATH LIGHTS INOPERATIVE BETWEEN SEATS 25B & 31B. R & R EMER PATH LIGHTING CHARGER & BATTERY FOR THAT ZONE. SYS CHECKED NORMAL. - [SDR AALA20150326011](https://openairdocs.org/sdr/AALA20150326011.md): Skin · corroded · Mar 25, 2015 · N369AA · Boeing 767323 · Fuselage Main, Plate/Skin > SKIN & STRINGER CORROSION FROM FS 654+121 TO 654+134 BETWEEN STRINGERS 34 LT & 36 LT. REPAIRED SKIN IAW SRM 53-00-01 & EA 53-039120 DATED 3 24 2015. - [SDR AALA20150325004](https://openairdocs.org/sdr/AALA20150325004.md): Stringer · corroded · Mar 25, 2015 · N369AA · Boeing 767323 · Fuselage Main, Longeron/Stringer > SKIN & STRINGER & DRAIN MAST SKIN CORROSION. FUSELAGE SKIN REPAIR WITH STRINGER & DRAIN MAST CUT OUT. REPAIRED STRINGER 36 LEFT PER SRM 53-00-01 AND EA B767-53-039120. - [SDR AALA20150324013](https://openairdocs.org/sdr/AALA20150324013.md): Light · dim · Mar 23, 2015 · N369AA · Boeing 767323 · Emergency Lighting > SEAT MOUNTED EMER ESCAPE PATH LIGHTS DIM ON SEAT 12B. RELAMPED SEAT MOUNTED EMER ESCAPE PATH LIGHTS ON SEAT 12B IAW AMM 33-51-10. SYS CHECKED NORMAL. - [SDR AALA20150324012](https://openairdocs.org/sdr/AALA20150324012.md): Light · dim · Mar 23, 2015 · N369AA · Boeing 767323 · Emergency Lighting > SEAT MOUNTED EMER ESCAPE PATH LIGHTS ON SEATS 36H & 37H ARE DIM. REPLACED SEAT MOUNTED EMER ESCAPE PATH LIGHT BULBS ON SEATS 36H & 37H. OPERATIONAL CHECK IAW AMM 33-60-98. SYS CHECKED NORMAL. - [SDR AALA20150324011](https://openairdocs.org/sdr/AALA20150324011.md): Light · dim · Mar 23, 2015 · N369AA · Boeing 767323 · Emergency Lighting > SEAT MOUNTED EMER ESCAPE PATH LIGHTS ON SEAT 34H ARE DIM. REPLACED SEAT MOUNTED EMER ESCAPE PATH LIGHT BULB ON SEAT 34H. OPERATIONAL CHECK IAW AMM 33-60-98. SYS CHECKED NORMAL. - [SDR AALA20150324010](https://openairdocs.org/sdr/AALA20150324010.md): Light · dim · Mar 23, 2015 · N369AA · Boeing 767323 · Emergency Lighting > SEAT MOUNTED EMER ESCAPE PATH LIGHTS ON SEATS 30H & 31H ARE DIM. REPLACED SEAT MOUNTED EMER ESCAPE PATH LIGHT BULBS ON SEATS 30H & 31H. OPERATIONAL CHECK IAW AMM 33-60-98. SYS CHECKED NORMAL. - [SDR AALA20150324009](https://openairdocs.org/sdr/AALA20150324009.md): Light · dim · Mar 23, 2015 · N369AA · Boeing 767323 · Emergency Lighting > SEAT MOUNTED EMER ESCAPE PATH LIGHTS ON SEAT 27H ARE DIM. REPLACED SEAT MOUNTED EMER ESCAPE PATH LIGHT BULB ON SEAT 27H. OPERATIONAL CHECK IAW AMM 33-60-98. SYS CHECKED NORMAL. - [SDR AALA20150324008](https://openairdocs.org/sdr/AALA20150324008.md): Light · dim · Mar 23, 2015 · N369AA · Boeing 767323 · Emergency Lighting > SEAT MOUNTED EMER ESCAPE PATH LIGHTS ON SEATS 20H & 21H ARE DIM. REPLACED SEAT MOUNTED EMER ESCAPE PATH LIGHTS BULBS ON SEATS 20H & 21H. OPERATIONAL CHECK IAW AMM 33-60-98. SYS CHECKED NORMAL. - [SDR AALA20150324007](https://openairdocs.org/sdr/AALA20150324007.md): Light · dim · Mar 23, 2015 · N369AA · Boeing 767323 · Emergency Lighting > SEAT MOUNTED EMER ESCAPE PATH LIGHTS ON SEAT 41B ARE DIM. REPLACED SEAT MOUNTED EMER ESCAPE PATH LIGHT BULB ON SEAT 41B. OPERATIONAL CHECKED IAW AMM 33-60-98. SYS CHECKED NORMAL. - [SDR AALA20150324006](https://openairdocs.org/sdr/AALA20150324006.md): Connector · broken · Mar 23, 2015 · N369AA · Boeing 767323 · Light System Wiring > EMERGENCY LIGHT CONNECTOR ON SEAT 40B IS BROKEN. REPLACED EMER LIGHT CONNECTOR ON SEAT 40B. OPERATIONAL CHECK IAW AMM 33-60-98. SYS CHECKED NORMAL. - [SDR AALA20150324004](https://openairdocs.org/sdr/AALA20150324004.md): Light · dim · Mar 23, 2015 · N369AA · Boeing 767323 · Emergency Lighting > SEAT MOUNTED ESCAPE PATH LIGHT DIM AT SEATS 36B, 37B, 38B & 39B. REPLACED LIGHT BULBS. SYS CHECKED NORMAL. - [SDR AALA20150317012](https://openairdocs.org/sdr/AALA20150317012.md): Floorbeam · corroded · Mar 17, 2015 · N369AA · Boeing 767323 · Fuselage Main, Floor Beam > CABIN FLOORBEAM CHORD AT FS 325 IS CORRODED BETWEEN RBL 78 & LBL 31 IAW SRM 51-10-02, SRM 53-00-51 REPAIR 1 FIGURE 201 & EA 53-039001 DATED 03 16 2015. Next page: https://openairdocs.org/deregistered/N369AA-2018-10-30/reports.md?page=2 ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet' WHERE n_number = 'N369AA' AND deregistration_id = 'N369AA-2018-10-30' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/deregistered/N369AA-2018-10-30/reports --- 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.