N18101
Operators of this aircraft
Who operated this tail, and how firmly we know it.
No operator established for this aircraft.
Accident & incident history
No NTSB accidents or incidents on file for this aircraft.
Maintenance disclosures
Service Difficulty Reports filed with the FAA for this airframe. Filing is largely voluntary — the number of reports is not a measure of reliability. To verify a report, search its control number at the FAA SDRS site.
57 reports on file, 2004-10-11 – 2020-03-22.
Part: HYDRAULIC SYSTEM — LOW (NR 2) · airframe 44,614 hrs · 28,029 cycles
SUBTLE VIBRATIONS ON FLIGHT CONTROLS IN FLIGHT. INSPECTED FLIGHT CONTROLS AND PERFORMED OPS CHECKS. FOUND SYSTEM 2 HYD LOW. SERVICED HYDRAULIC SYSTEMS. NO DEFECTS NOTED AT THIS TIME.
Earlier reports · 2004–2019 · 56 reports
2019
Part: BLEED VALVE — FAILED (NR 2 ENGINE) · airframe 43,697 hrs · 27,271 cycles
BLEED VALVE 2 FAIL--- R&R E2 BLEED VALVE OPS CHECK GOOD
Part: CABLE — OUT OF ADJUST (PRESSURE PANEL) · airframe 43,078 hrs · 26,805 cycles
BAGGAGE DOOR OPEN INDICATION IN FLIGHT. PRESSURE DID NOT HOLD. PRESSURIZED AIRCRAFT NUMBEROUS TIMES. OPS CHECK OF BAGGAGE DOOR GOOD. NO DEFECTS NOTED. DEFERED BAGGAGE DOOR WARNING SYSTEM. UPDATES PROVIDED WHEN AVAILIBLE. SUPPLIMENTAL INFORMATION. CLEARED CARGO DOOR DMI. ADJUSTED CABLES ON PRESSURE RELEASE PANEL. OPS CHECK GOOD.
Part: WARNING SYSTEM — ACTIVATED (COCKPIT) · airframe 42,731 hrs · 26,554 cycles
BAG DOOR INDICATED OPEN IN FLT. DEFFERED BAG DOOR INDICATION AFTER TAKEOFF. THIS DISCREPANCY WILL HAVE AN ADDITION ONCE DEFERRAL IS CLEARED.
2018
Part: LIGHT — INOPERATIVE (CABIN) · airframe 40,985 hrs · 25,146 cycles
LT SIDEWALL EMERGENCY EXIT DOOR FLOOD LIGHT NR 21 INOP. R&R EMERGENCY LIGHT BULB AT EMERGENCY ROW EXIT LT CEILING IAW AMM, FUNCTION CHECK GOOD.
Part: LIGHT — INOPERATIVE (EXTERIOR) · airframe 40,985 hrs · 25,146 cycles
LT AFT WING/FUSELAGE FAIRING EXTERIOR EMERGENCY FLOOD LIGHT INOP NR 5. REMOVED AND REPLACED LIGHT BULB IAW AMM 33-50-10. OPS CHECK GOOD.
Part: ACTUATOR — INOPERATIVE (HORIZ STAB) · airframe 40,620 hrs · 24,839 cycles
MAIN PITCH TRIM FAIL IN FLIGHT. R&R HSTA. OPS CHECK GOOD.
Part: DOOR — BINDING (MAIN PAX) · airframe 40,618 hrs · 24,837 cycles
MAIN CABIN DOOR DIFFICULT TO OPEN AND CLOSE. DOOR REMOVED FOR MAINTENANCE. OPEN
Part: SEAL — FOD (PAX DOOR) · airframe 40,558 hrs · 24,790 cycles
MAIN CABIN DOOR DIFFICULT TO OPEN. REMOVED FOD FROM THE SEAL AROUND DOOR. OPS TESTED GOOD
Part: WARNING MESSAGE — FALSE ACTIVATION (NR 2 A/C PACK) · airframe 40,558 hrs · 24,790 cycles
NR 2 PACK VALVE CODES WITH PACK 2 OVERHEAT MESSAGE. PERFORMED OPERATIONAL CHECK OF PACK 2. COULD NOT DUPLICATE.
2017
Part: PROXIMITY SWITCH — OUT OF ADJUST (MLG) · airframe 38,202 hrs · 22,768 cycles
LANDING GEAR LEVER DISAGREE ON EXTENSION (NOSE). PERFORMED ABNORMAL GEAR EXTENSION. INSPECTED AND ADJUSTED NLG DOWN LOCK PROXIMITY SWITCHES. SWUNG GEAR SEVERAL TIMES, OPS CHECKED GOOD.
2016
Part: BULB — INOPERATIVE (EMERGENCY LIGHT) · airframe 37,736 hrs · 22,379 cycles
CEILING EMERGENCY EXIT LIGHT AT ROW 3 INOPERATIVE. R & R THE BULB. OPS CHECKED GOOD.
Part: LIGHT — MALFUNCTIONED (LT OVERWING) · airframe 37,736 hrs · 22,379 cycles
LEFT AFT OVERWING EMERGENCY LIGHT IS INOPERATIVE. OPS CHECKED GOOD.
2015
Part: WIRE HARNESS — BURNED (CABIN LIGHT) · airframe 35,407 hrs · 20,486 cycles
ELECTRICAL BURNING ODOR NEAR EXIT ROWS. MAINTENANCE INSPECTED AND FOUND THE SIDEWALL LIGHT AT 18C INOPERATIVE AND THE WIRE HARNESS BURNED. DEACTIVATED BALLAST AND DEFERRED THE SIDEWALL LIGHT. REPLACED 18C SIDEWALL WIRE HARNESS, OPS CHECK GOOD, CLEARED THE MEL.
Part: BULB — INOPERATIVE (EMERGENCY LIGHT) · airframe 35,183 hrs · 20,312 cycles
EMERGENCY EXIT LIGHT IN CEILING AT ROW 3, LIGHT NR 16A IS INOPERATIVE. R & R EXIT LIGHT BULB IN CEILING ROW 3. OPS CHECK GOOD.
Part: LIGHT — INOPERATIVE (FUSELAGE) · airframe 34,234 hrs · 19,597 cycles
DURING ROUTINE MAINTENANCE, THE LT FORWARD EMERGENCY LIGHT WAS FOUND INOPERATIVE. MAINTENANCE REPLACED THE LT FORWARD EXTERNAL EMERGENCY LIGHT ASSY. OPS CHECKS WERE GOOD.
Part: GCU — FAULTY (COCKPIT) · airframe 33,961 hrs · 19,413 cycles
THE CREW REPORTED APU GENERATOR OFF BUSS WITH BURNING ODOR. MAINTENANCE INSPECTED AND REPLACED THE APU GENERATOR CONTROL UNIT, OPS CHECKED GOOD.
2014
Part: DISPLAY — SHORTED (COCKPIT) · airframe 33,239 hrs · 18,952 cycles
THE CREW REPORTED THAT THE CAPTAIN`S MFD WAS INOPERATIVE, FLASHED OFF AND AN ACRID BURNING ODOR WAS NOTED. THE CIRCUIT BREAKER WAS PULLED AND THE BURNING ODOR WENT AWAY. LANDED WITHOUT INCIDENT. MAINTENANCE R & R THE DEFECTIVE MFD, OPS TESTED WITH NO DEFECTS, ACFT WAS APPROVED FOR RETURN TO SERVICE.
Part: WIRE — BURNED (COMPASS LIGHT) · airframe 33,225 hrs · 18,942 cycles
THE CREW REPORTED VERY NOTICEABLE BURNED ELECTRICAL ODOR IN THE COCKPIT. MAINTENANCE INSPECTED AND FOUND BAD CONNECTOR AND WIRE TO STANDBY COMPASS BACKLIGHTING.
2013
Part: THRUST REVERSER — MALFUNCTIONED · airframe 28,542 hrs · 15,940 cycles
ACFT THRUST REVERSER FAILED TO DEPLOY ON LANDING ON NR 1 ENGINE. MX COULD NOT DUPLICATE PROBLEM. OPS CHECKED GOOD IAW AMM 78-31-01. ACFT WAS RELEASED BACK TO SERVICE.
2012
Part: ENGINE — ODOR (NR 1) · airframe 28,309 hrs · 15,609 cycles
DURING CLIMBOUT THE CREW REPORTED A LAVATORY SMOKE INDICATION ON EICAS WITH AN ODOR OF SMOKE AND VISIBLE SMOKE IN THE COCKPIT. THE CREW PERFORMED AN EMERGENCY AIR RETURN TO DEPARTURE WHERE IT LANDED WITHOUT INCIDENT. MX INSPECTED THE ACFT AND APPROVED A FERRY FLIGHT. THE ACFT LANDED WHERE MX R & R THE NR 1 ENGINE, OPS AND LEAK CHECKED WITH NO DEFECTS NOTED, AND THE ACFT WAS APPROVED FOR RETURN TO SERVICE.
Part: SUPPORT — CORRODED (THRESHOLD) · corrosion level 2 · airframe 26,685 hrs · 14,693 cycles
LEFT ANGLE CORRODED AT PAX DOOR THRESHOLD AREA. BLENDED CORROSION, FOUND TO BE OUT OF LIMITS. R & R SUPPORT.
Part: STRUCTURE — CORRODED (PAX DOOR) · airframe 26,685 hrs · 14,693 cycles
PAX DOOR LOWER TRIM HAS AREAS OF CORROSION. R & R TRIM PLATE.
Part: CROSSBEAM — CORRODED · airframe 26,685 hrs · 14,693 cycles
CROSSBEAM AT FRAME 20 HAS AREAS OF CORROSION. BLENDED AND FOUND TO BE WITHIN LIMITS. PERFORMED EDDY CURRENT, NO DEFECTS NOTED, ALODINED, PRIMED AND PAINTED.
2010
Part: FLOOR SUPPORT — CORRODED (CABIN) · airframe 23,050 hrs · 12,261 cycles
SHV - DURING C-CHECK LT OMEGA BEAM HAS CORROSION AT FR 20. REPAIRED OMEGA BEAM IAW EMB 145 SRM 53-00-10. AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.
Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · airframe 23,050 hrs · 12,261 cycles
SHV - DURING C-CHECK LT OMEGA BEAM HAS CORROSION AT FR 34. REPAIRED OMEGA BEAM IAW EMB 145 SRM 53-00-10. AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.
Part: SILL — CORRODED (FUSELAGE) · airframe 23,050 hrs · 12,261 cycles
SHV - DURING C-CHECK SERVICE DOOR CENTER SILL CORRODED. REMOVED AND REPLACED SERVICE DOOR CENTER SILL IAW EMB 145 SRM 51-40-02. AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.
Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · airframe 22,826 hrs · 17,301 cycles
SHV - DURING C-CHECK LT OMEGA BEAM HAS CORROSION AT FR 49. REPAIRED LT OMEGA BEAM IAW EMB 145 SRM 53-00-10. AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.
Part: FLOOR SUPPORT — CORRODED (FSUELAGE) · airframe 22,826 hrs · 17,301 cycles
SHV - DURING C-CHECK CENTER OMEGA BEAM HAS CORROSION A FR 59. REPAIRED CENTER OMEGA BEAM IAW EC5310-01473. AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.
Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · airframe 22,826 hrs · 17,301 cycles
SHV - DURING C-CHECK LT OMEGA BEAM HAS CORROSION AT FR 59. REPAIRED LT OMEGA BEAM IAW EMB 145 SRM 53-21-10. AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.
Part: INVERTER — INOPERATIVE (CABIN) · airframe 23,012 hrs · 12,239 cycles
EWR - DURING ROUTINE MAINTENANCE, MX FOUND EXIT ROW OVERHEAD EMERGENCY LIGHT INOPERATIVE. MX REMOVED AND REPLACED INVERTER NR 4 AND PERFORMED OPERATIONAL CHECK SUCCESSFULLY. ACFT WAS APPROVED TO RETURN TO SERVICE.
Part: HOSE — LOOSE (NR 2 PACK) · airframe 20,810 hrs · 11,048 cycles
IAH FLT 2885 THE CREW REPORTED A NR 1 BLEED LEAK MESSAGE ON CLIMBOUT. THE AIRCRAFT RETURNED TO IAH AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AND SECURED THE NR 2 PACK HOSE. OPERATIONAL CHECKS WERE GOOD.
Part: HOSE — LOOSE (NR 2 PACK) · airframe 20,810 hrs · 11,048 cycles
IAH FLT 2885 THE CREW REPORTED A NR 1 BLEED LEAK MESSAGE ON CLIMBOUT. THE AIRCRAFT RETURNED TO CLE AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AND SECURED HOSE ON NR 2 PACK. OPERATIONAL CHECKS WERE GOOD.
2009
Part: LIGHT — INOPERATIVE (CABIN) · airframe 20,012 hrs · 10,642 cycles
FLIGHT 2640 - EWR - FLIGHT CREW REPORTED EMERGENCY LIGHT SIGN ON COCKPIT STEP NOT ILLUMINATING. EWR MX REPOSITION EMERGENCY LIGHT AS NECESSARY AND PERFORMED OPERATIONAL CHECK SUCCESSFULLY. ACFT WAS APPROVED TO RETURN TO SERVICE.
Part: WARNING SYSTEM — MALFUNCTIONED (COCKPIT) · airframe 19,862 hrs · 10,559 cycles
FLIGHT 2760 - EWR - FLIGHT CREW REPORTED AIR GROUND FAIL MESSAGE ON EICAS. EWR MX PERFORMED SYSTEM RESET AND MESSAGE WENT AWAY. ACFT WAS APPROVED TO RETURN TO SERVICE.
Part: PROBE — DEFECTIVE (RT WING) · airframe 19,490 hrs · 10,346 cycles
FLIGHT 3130 - EAU - FLIGHT CREW REPORTED THAT RT WING QTY FUEL DROP 900 LB. CREW DIVERTED FLIGHT AND LANDED ACFT UNEVENTFULLY. MX REMOVED AND REPLACED RT WING FUEL PROBE NR 1 AND PERFORMED OPERATIONAL AND LEAK CHECK SUCCESSFULLY. ACFT WAS APPROVED TO RETURN TO SERVICE.
Part: TANK — FAULTY (RT WING) · airframe 19,492 hrs · 10,347 cycles
EWR - FLT 3130 - THE CREW REPORTED THE RIGHT WING FUEL QUANTITY DROPPED 900 LBS DURING FLIGHT. THE AIRCRAFT DIVERTED INTO EAU AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AND REPLACED THE RIGHT WING 1A TANK UNIT. OPERATIONAL CHECKS WERE GOOD.
Part: FILTER — DIRTY (CABIN AIR) · airframe 18,879 hrs · 10,010 cycles
CREW REPORTED A NR ONE BLEED SYS FAIL. ACFT RETURNED TO DEPARTURE WHERE IT LANDED WITHOUT INCIDENT. MX REMOVED AND REPLACED THE NR 1 FAN AIR VALVE FILTER, OPS AND LEAK CHECKED WITH NO DEFECTS, AND THE ACFT WAS APPROVED FOR RETURN TO SERVICE.
Part: SIGN — INOPERATIVE (CABIN) · airframe 18,452 hrs · 9,770 cycles
FLIGHT 2338 - EWR - FLIGHT CREW REPORTED GALLEY EMERGENCY EXIT LIGHT INOPERATIVE. EWR MX REMOVED AND REPLACED EXIT SIGN AND PERFORMED OPERATIONAL CHECK SUCCESSFULLY. ACFT WAS APPROVED TO RETURN TO SERVICE.
Part: BRACKET — WORN (AILERON) · airframe 18,288 hrs · 19,643 cycles
SHV - DURING C-CHECK RT AILERON DAMPNER BRACKET HAS MIGRATED BUSHING. MAINTENANCE REMOVED AND REPLACED RT AILERON DAMPNER BRACKET IAW EMB-145 SRM 57-40-02. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.
Part: ATTACH BRACKET — WORN (LT AILERON) · airframe 18,288 hrs · 19,643 cycles
SHV - DURING C-CHECK LT AILERON HAS MIGRATED BUSHINGS AT I/B ATTACHMENT POINT FOR PCA ROD. MAINTENANCE REMOVED AND REPLACED AILERON PCA ATTACHMENT BRACKET IAW EMB-145 SRM 57-40-02 AND PREPPED, PRIMED AND PAINTED IAW EMB-145 CPM 51-21-06. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.
Part: BEAM — CORRODED (CARGO BAY) · airframe 18,288 hrs · 19,643 cycles
SHV - DURING C-CHECK BAGGAGE DOOR CUTOUT HAS SEVERAL AREAS OF CORROSION AT LOWER MIDDLE SECTION. MAINTENANCE REMOVED AND INSTALLED NEW LOWER BEAM AT CARGO DOOR CUTOUT IAW EMB-145XR SRM 51-40-02 AND CPM 51-21-04/05/06. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.
Part: FRAME — CRACKED (FUSELAGE) · airframe 18,288 hrs · 19,643 cycles
SHV - DURING C-CHECK FRAME 10 CRACKED AT STRINGER 10R. MAINTENANCE REMOVED AND INSTALLED NEW FRAME 10 CHANNEL IAW EMB-145XR SRM 51-40-02. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.
Part: FRAME — CRACKED (FUSELAGE) · airframe 18,288 hrs · 19,643 cycles
SHV - DURING C-CHECK FRAME 10 CRACKED AT STRINGER 10L. MAINTENANCE REMOVED AND INSTALLED NEW CHANNEL FOR FRAME 10 STRINGER 10L IAW EMB-145 SRM 51-40-02 AND CPM 51-20-04/05/00. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.
Part: HINGE — EXCESS PLAY (VERTICAL STAB) · airframe 18,288 hrs · 19,643 cycles
SHV - DURING C-CHECK RUDDER ONE LOWER CENTER HINGE POINT HAS VERTICAL PLAY. MAINTENANCE REMOVED AND REPLACED RUDDER ONE LOWER CENTER HINGE POINT IAW EMB-145XR AMM 55-31-01. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.
Part: ATTACH BRACKET — WORN (LT SPEED BRAKE) · airframe 18,288 hrs · 19,643 cycles
SHV -DURING C-CHECK LT SPEED BRAKE CENTER ATTACHMENT BRACKET ON WING SPAR I/B HAT BUSHING IS MIGRATED. MAINTENANCE REMOVED AND REPLACED LT SPEED BRAKE CENTER ATTACHMENT BRACKET IAW EMB-145 SRM 51-40-02 AND PREPPED, PRIMED AND PAINTED IAW CPM 51-21-07. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.
Part: HINGE — EXCESS PLAY (VERTICAL STAB) · airframe 18,288 hrs · 19,643 cycles
SHV - DURING C-CHECK RUDDER ONE UPPER CENTER HINGE POINT HAS VERTICAL PLAY. MAINTENANCE REMOVED AND REPLACED RUDDER ONE UPPER CENTER HINGE POINT IAW EMB-145XR AMM 55-31-01. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.
Part: SIGN — INOPERATIVE (CABIN) · airframe 18,308 hrs · 9,688 cycles
DURING ROUTINE MAINTENANCE THE EMERGENCY EXIT SIGN AT THE COCKPIT STEP WAS FOUND INOPERATIVE. MAINTENANCE INSPECTED AND REPLACED THE SIGN AND OPERATIONAL CHECKS WERE GOOD.
2008
Part: SENSOR — DEFECTIVE (ZONE 500) · airframe 17,210 hrs · 9,102 cycles
FLT 2543 - DIVERTED TO TYS FROM ERW EN ROUTE TO MEM WHEN THE CREW RECEIVED A MESSAGE OF NR 1 ENGINE BLEED LEAK. MAINTENANCE REMOVED AND REPLACED THE OVER THE WING THERMAL SWITCH IAW EMB 145XR 36-20-02. OPS CHECK GOOD. ACFT RELEASED TO SERVICE.
Part: SMOKE WARNING — MALFUNCTIONED (COCKPIT) · airframe 15,796 hrs · 8,366 cycles
FLIGHT 2059 - EWR - DURING PREFLIGHT PROCEDURES, FLIGHT CREW REPORTED BAG SMOKE WARNING LIGHT ON. EWR MX RESET THE SYSTEM AND PERFORMED OPERATIONAL CHECK SUCCESSFULLY. AIRCRAFT WAS APPROVED TO RETURN TO SERVICE.
Part: LIGHT — INOPERATIVE (CABIN) · airframe 15,490 hrs · 8,195 cycles
RIC - DURING ROUTINE MAINTENANCE, RIC MX FOUND LEFT OVERWING EMERGENCY LIGHT INOPERATIVE. MX REMOVED AND REPLACED LIGHT BULB AND PERFORMED OPERATIONAL CHECK SUCCESSFULLY. AIRCRAFT WAS APPROVED TO RETURN TO SERVICE.
2007
Part: INVERTER — INOPERATIVE (CABIN) · airframe 13,673 hrs · 7,282 cycles
IAH - FLIGHT 2050, DURING PREFLIGHT INSPECTION THE CREW REPORTED THAT THE CABIN EMERGENCY LIGHTS WERE INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE EMERGENCY LIGHT INVERTER, OPERATIONALLY CHECKED WITH NO DEFECTS, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.
Part: LIGHT — INOPERATIVE (CABIN) · airframe 12,962 hrs · 6,916 cycles
DURING MAINTENANCE, THE EMERGENCY LIGHT AT THE COCKPIT THRESHOLD WAS FOUND TO BE INOPERATIVE. MAINTENANCE REPLACED THE EMERGENCY LIGHT BULB, OPERATIONALLY TESTED THE LIGHT AND CLEARED THE DISCREPANCY.
2006
Part: SILL — CORRODED (CARGO DOORWAY) · airframe 9,393 hrs · 5,049 cycles
FRAME 65 CORRODED AT CARGO DOOR SILL. PERFORMED REPAIR TO FRAME 65 CARGO DOOR SILL SHEAR CLIP IAW 5330-01458. REMOVED AND REPLACED CARGO DOOR SILL SUPPORT TEE AT FRAME 65 IAW EMB 145 XR SRM 51-40-02.
Part: SKIN — CANNING (FUSELAGE) · airframe 9,393 hrs · 5,049 cycles
TYS, DURING A SCHEDULED INSPECTION THE LEFT FUSELAGE SKIN FOWARD OF FRAME 20, ABOVE STRINGER 12L WAS FOUND OIL CANNING. MAINTENANCE FABRICATED L-CHANNEL, ALODINED, PRIMED AND INSTALLED IAW EMB-135/145-CPM-51-21-04/05 AND EC5330-01569.
Part: SKIN — CANNING (FUSELAGE) · airframe 9,393 hrs · 5,049 cycles
TYS, DURING A SCHEDULED INSPECTION THE LEFT FUSELAGE SKIN FORWARD OF FRAME 20, ABOVE STRINGER 12L WAS FOUND OIL CANNING. MAINTENANCE FABRICATED A -L- CHANNEL, ALODINED, PRIMED AND INSTALLED IAW EMB-135/145-CPM-51-21-04/05 AND EC5330-01569.
2004
Part: SUPPORT ANGLE — CORRODED (GALLEY) · airframe 4,955 hrs · 2,707 cycles
DURING C-CHECK RAMP SUPPORT ANGLE IN THE GALLEY AT FRAME 20, STATION 5633.0 WAS FOUND CORRODED. REPLACE THE RAMP SUPPORT ANGLE IAW EMB SRM 51-21-04 AND CMP 51-21-04.