N24972
Registered owner: UNITED AIRLINES INC, IL (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| UNITED AIRLINES INC | Operator | 2026-03-02 – 2026-03-02 | Operator named in NTSB report |
| UNITED AIRLINES, INC. (CALA) | Operator | 2026-03-02 – 2026-03-02 | Operator named in NTSB report |
Accident & incident history
Maintenance disclosures
EMERGENCY EXIT LIGHT NEAR LAVATORY D ACROSS FROM DOOR 2 RIGHT DAMAGED. AS PER REQUEST WALL MOUNTED EMERGENCY EXIT LIGHT NEAR LAVATORY D ACROSS FROM DOOR 2 RIGHT DAMAGED. PERFORMED INTERIM REPAIR PER ECRA 2500-1656. PLACED ON DIP TO PERFORM INSPECTION REQUIREMENTS PER PART 2 EACH FLIGHT CYCLE AND A PERMANENT REPAIR PER PART 3 WITHIN 3 FLIGHT CYCLES. INTERIM REPAIR ACCOMPLISHED BY TECH #V934028 CARRIED DIRECTLY BY TOMC TOMC-APPROVAL FROM SC1ELBYC COMMENT ADDING PARTS INFO QC CONTROL. PARTS USED: 79-3351-3-0001,QTY :1 TOMCQC REV PERFORMED
PER CREW DEBRIEF, NR 1 ENG COMPRESSOR STALL, ENG SHUTDOWN IN FLIGHT. REMOVED AND REPLACED ENGINE 1.
FOUND DAMAGE TO AFT EDGE PROTECTOR. REF ECRA 5308-01193. PERFORMED INTERIM REPAIR PER STEP 1. NO FURTHER DEFECTS NOTED AT THIS TIME.
11F SEAT EMERGENCY FLOOR PROXIMITY LIGHT LENS BROKEN. REMOVED AND REPLACED 11F FLOOR PROXIMITY LIGHT REF AMM 33-51-06. OPS CHECK GOOD.PARTS USED: 78-3300-3-0098,QTY :1
SEAT 6D EMERGENCY LIGHT BROKEN. REPLACED PROXIMITY LIGHT.OPS CHKD NORMAL.
SAT VOICE LOST ADVISORY SATCOM VOICE COMMUNICATION IS LOST (NO SIGNAL/RECEPTION) DUE TO AIRCRAFT MANEUVERING, LOW ELEVATION ANGLES/BLOCKAGE TO THE SATEL LITE OR WHILE FLYING IN A POLAR ROUTE. WHEN AN AIRPLANE IS IN CR UISE MODE, THEN THE MESSAGE IS DELAYED BY 60SECS, OTHERWISE IN . FOUND MX MESSAGE 23-19407 SATELLITE, UNIT OFF 79-2329-9-0001 1715 ON 79-2329-9-0001 0040 SATELLITE, UNIT OFF 79-2329-9-0001 1715 ON 0000 T/S PER FIM TASK DMC-B787-A-23-10-F5-04A-421A-A FOR MX MESSAGE 23-19407. NO FAUTLS FOUND UNABLE TO DUPLICATE INDICATED FAULT. WIRING CHECKS PER FIM TASK ALSO GOOD. PER TECH SUPPORT UPDATE REMOVED AND REPLACED SATCOM SDU AS PRECAUTINARY PER AMM 23-15-10. ADJ/TEST SATISFACTORY. SYSTEM OK FOR SERVICE.
DR3 CROSS AISLE RH EMER LIGHT ASSY FOUND DAMAGED,ORIGINATED BY E MP V903667,REF TO HAECO NON ROUTINE NO.9462550,EA 3351-01372 REV B OP014. PERFORMED BY EMP V903667,REPLACED DR3 CROSS AISLE RH EMER LT ASS Y AND INSTALLATION TEST FOUND NORMAL.REF TO AMM 33-51-06-00A-520 A/720A-A REV 175.IDT BY TA563.
OFCR LH & RH(4EA) EXTERIOR VERTICAL EMER LIGHT FOUND CRACK,ORIGI NATED BY EMP V903667,REF TO HAECO NON ROUTINE NO.9462553,EA 3351 -01372 REV B OP 016. PERFORMED BY EMP V903667,REPLACED OFCR LH & RH EXTERIOR EMER LT ASSYS(4EA) & INSTALLATION TEST FOUND NORMAL,REF TO AMM 33-51-06- 00A-720A-A REV 175.IDT BY TA606.
OFAR LH & RH(2EA) EXTERIOR EMER LIGHTS FOUND CRACKED,ORIGINATED BY EMP V903667,REF TO HAECO NON ROUTINE NO.9462594,EA 3351-01372 REV B OP 016. PERFORMED BY EMP V903667,REPLACED OFAR LH & RH EXTERIOR EMER LT ASSYS(2EA) & INSTALLATION TEST FOUND NORMAL,REF TO AMM 33-51-06- 00A-720A-A REV 175,IDT BY TA606.
DR2 FWD GLY LH & RH(4EA) EMER LIGHT ASSY FOUND CRACKED,ORIGINATE D BY EMP V903667,REF TO HAECO NON ROUTINE NO.9462596,EA 3351-013 72 REV B OP 014. PERFORMED BY EMP V903667,REPLACED DR2 FWD GLY LH & RH EMER LT AS SYS(4EA) & INSTALLATION TEST FOUND NORMAL REF TO AMM 33-51-06-00 A-720A-A REV 175,IDT BY TA606.
DR2 AFT GLY RH(2EA) EMER LIGHT ASSY FOUND CRACKED,ORIGINATED BY EMP V903667,REF TO HAECO NON ROUTINE NO.9462597,EA 3351-01372 RE V B OP 014. PERFORMED BY EMP V903667,REPLACED DR2 AFT GLY RH EMER LT ASSY(2E A) AND INSTALLATION TEST FOUND NORMAL,REF TO AMM 33-51-06-00A-72 0A-A REV 175,IDT BY TA606.
DR3 AFT GLY LH AFT & RH(3EA) EMER LIGHT ASSY FOUND CRACKED, ORIGI NATED BY EMP V903667,REF TO HAECO NON ROUTINE NO.9462600,EA 3351 -01372 REV B OP 014. PERFORMED BY EMP V903667,REPLACED THE (3EA) EMER LT ASSYS & INSTALLATION TEST FOUND NORMAL,REF TO AMM 33-51-06-00A-720A-A REV 17 5,IDT BY TA606.
LAV "J" LH AFT(1EA) EMER LIGHT ASSY FOUND CRACKED,ORIGINATED BY EMP V903667,REF TO HAECO NON ROUTINE NO.9462599,EA 3351-01372 RE V B OP 014. PERFORMED BY EMP V903667,REPLACED LAV "J" LH AFT EMER LT ASSY & INSTALLATION TEST FOUND NORMAL,REF TO AMM 33-51-06-00A-720A-A RE V 175,IDT BY TA606.
POLARIS/PREMIUM CLASS DIVIDER LH(1EA) EMER LIGHT ASSY FOUND CRACKED,ORIGINATED BY EMP V903667,REF TO HAECO NON ROUTINE NO.946259 8,EA 3351-01372 REV B OP 014. PERFORMED BY EMP V903667,REPLACED THE DEFECTIVE EMER LT ASSY AND INSTALLATION TEST FOUND NORMAL,REF TO AMM 33-51-06-00A-720A-A R EV 175,IDT BY TA606.
CABIN PAX SEAT ROUND EMER LIGHT ASSY FOUND DAMAGED AT POS 45D,OR IGINATED BY EMP V903667,REF TO HAECO NON ROUTINE NO.9462549,EA 3351-01372 REV B OP 015. PERFORMED BY EMP V903667,REPLACED THE ROUND EMER LT ASSY AT POS 45D & INSTALLATION TEST FOUND NORMAL,REF TO AMM 33-51-06-00A-720 A-A REV 175,IDT BY TA606.
REF AIR RETURN #10 SPOILER. MESSAGES 27-12833 AND 27-17771. #10 SPOILER SHOWS NO DATA ON MAINTENANCE PAGES AND SYNOPTIC PAGE. SPOILER UP IN FLT AND UPON LANDING. REMOVED SPOILER ELECTRIC MOTOR CONTROLLER UNIT REF ACP INTERFACE INSP OF # 10 SPOILER EMCU. VERIFY PART NUMBER INSTALLED ELECTRIC MOTOR CONTROLLER UNIT REF COMPLETED INSTALLATION TEST ON #10 EMCU, REF MM PERFORMED RII INSPECTION OF # 10 EMCU INSTALLATION,AND COMPLETED SPOILER INTERFACE INSP COMPLETE NO DEFECTS NOTED. CH 27 PRIMARY DMC-B787-A-27-61-18-00A-520A-A. PARTS USED: PRIOR TO INSTL. DMC-B787-A-27-61-18-00A-720A-A. PARTS USED: 27-61-18-00A-720A COMPLETED SPOILER RIG, FLAP SKEW RIG AND SPOILER RIG,FLAP SKEW RIG AND SPOILER ELECTRONIC SYSTEM TEST PER FLT CONTROL TEST SPOILER ELECTRIC TEST PASSED. 78-2741-9-9005,QTY :1 78-2741-9-9005,QTY :2 SPOILERELECTRONIC SYSTEM TEST. ALL TEST PASSED, NO DEFECTS MM 27-61-18-00A-720A,ALL TEST PASSED NO DEFECTS NOTED. ADD EMP:U121006 ADD EMP:118179 ADD EMP:118179 NOTED. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1871321 SN OFF 3547 ADD EMP:U121006 UNIT, CONTROL, OFF 78-2741-9-9005 3547 ON 78-2741-9-9005 0900 CLEARED MX MESSAGES 27-17771 AND 27-12833 USING FIM 27-00-F2-T8A-421. COMPLETED INSTALLATION OF THE #10 ELECTRO MECHANICAL ACTUATOR USING AMM 27-61-16-00-720. SYSTEM CHECK GOOD. SPOILER RIG CHECK PASSED. SPOILERS ELECTRONIC TEST PASSED. PARTS USED: 78-2761-9-9006,QTY :1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1998436 SN OFF 3947
WEATHER RADAR SYS ADVISORY WXR FUNCTIONS HAVE FAILED OR PARTIALLY FAILED ON BOTH LEFT AND RIGHT SIDES OR MANUALY SELECTED TO A FAILED WXR. RESEATED CIRCUIT BREAKERS FOR LEFT AND RIGHT WEATHER RADARS AND PERFORMED OPS TEST FOR BOTH FOR MAINTENACE MESSAGE 34-60031, BOTH TESTS PASSED. OKAY FOR SERVICE.
REF LOG 9823382 A/C REQUIRES PHASE 2 INSPECTION OF HORIZONTAL STABILIZER AND ELEVATORS WITHIN 15 FLIGHT CYCLES AS AMM 05-51-19-00A-311A 05-51-19-00A-311A REF LOG 9823382 A/C REQUIRES PHASE 2 INSPECTION OF HORIZONTAL STABILIZER AND ELEVATORS WITHIN 15 FLIGHT CYCLES AS AMM TOMC APPROVES DIP FOR MX TO ACCOMPLISH PHASE II LIGHTING STRIKE TOMC-APPROVAL FROM SC1ELBYC COMMENT INSP OF HORIZONTAL STABS AND ELEV''S PER AMM 05-51-19-00A-311A WITHIN 15 FLT CYCLES QC QC REVIEWED. T/A: WITHIN 15 FC.....LN/U253409 RECORDS UPDATE COMPLETED GENERAL VISUAL INSPECTION PHASE 2 INSPECTION OF HORIZONTAL STABILIZER AND ELEVATORS PER AMM 5-51-19-00A -311A NO DAMAGE NOTED
ROLL/YAW ASYMMETRY EICAS CAUTION MESSAGE ON CLIMB OUT. WORKED FIM TASK DMC-B787-A-27-00-F2-T8A-421A-A FOR MX MESSAGE 27-1777. ACCOMPLISHED LEF AND RIGHT AILERON TESTS REF AMM LEFT AND RIGHT FLAPERONS TEST REF AMM B787-A-27-11-00-09A-300B-A AND AMM B787-A-27-11-00-10A-300B-A NO FAULTS NOTED. REVISITED LP FAULT:27-17771 B787-A-27-11-00-07A-300B-A, AMM B787-A-27-11-00-08A-300B-A AND FOLLOWING STEP TO LOCK OUT IN PLACE. FOUND #10 SPOILER ACTUATOR EXTENSION NOT AS SPECIFIED ON THE FOLLOWING STEP ON DEACTIVATION DDG DMC-B787-A-27-00-00-19A-721B-A. SEE LOG PAGE 7026013(SPOILER ON MEL).
THE FWD FLOOR PROXIMITY LIGHT ON LEFT OFCR PANEL FOUND BROKEN REF NON-ROUTINE NR 9418830. SPEC NO. B787-33-3-0002. REPLACED FWD FLOOR PROXIMITY LIGHT ON LEFT OFCR PANEL. PERFORMED CONDITION CHECK & INSTALLATION TEST FOUND NORMAL, PER AMM DMC-B787-A-33-51-06-00A-520A/720A-A REV 141. PERFORMED BY EMP V903205 AND IDT BY TA624.