N28457
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 | 2023-06-01 – 2023-06-01 | Operator named in NTSB report |
| UNITED AIRLINES, INC. (CALA) | Operator | 2023-06-01 – 2023-06-01 | Operator named in NTSB report |
Accident & incident history
Maintenance disclosures
OVEN SMELLS BAD G2 GALLEY OVEN 205 INSPECTED OVEN 205 AND OPS CHECK, VERIFIED WITH CREW MO UNUSUAL SMELLS PRESENT. OK FOR SERVICE.
ROW 20 ABC. AFT RED EMERGENCY PATH LIGHT IS INOPERATIVE. RELAMPED FLOOR PROXIMITY LIGHT PER AMM TASK 33-51-11-960-802. SYSTEM TESTED GOOD.
EMERGENCY LIGHTS OPERATIONAL CHECK - ROW 20C, AFT RED EMERGENCY LIGHT DAMAGED AND LIGHT INOPERATIVE. REPLACED LAMPS & LENS OF FLOOR PROXIMITY LIGHT. OPS CHECKED GOOD IAW AMM 33-51-11-960-801.
FOUND DAMAGE TO PNEU ACCESS PANEL DOOR LATCHES WORN BEYONG LIMITS.PERFORMED STEPS 4A THROUGH 4E IRW SRM 57-10-13-2R-3. PERFORMED STEPS 4F AND 4G HFEC OF CUTOUT AND HFEC HOLE PROBE COMMON TO THE REPAIR AREA. NO FURTHER DEFECTS NOTED REF SRM 57-10-13-2R-3 AND 737 NDT PT.6 51-00-00 PROC 23 AND PROC 16 FLAP PEEN IAW SRM 57-10-13-2R-3. STEP H 1-3. C. FABRICATED REPAIR PARTS IAW SRM 57-10-13-2R-3 STEP 4.I. INSTALLED REPAIR PARTS IAW SRM 57-01-13-2R-3 STEPS 4.J THROUGH 4.N(4). LATCH COMMON TO REPAIR NEEDS TO BE SHIMMED. NEW SEAL AND SEAL RETAINER INSTALLED IAW SRM 57-10-13-2R-3. ALL WORK ACCOMPLISHED IAW SRM 57-10-13-2R-3.
FWD EMERGENCY LIGHT AFT OF CLOSET 712 INOP. REMOVED AND REPLACED FWD CLOSET AFT MONUMENT EMERGENCY LIGHT IAW AMM 33-51-14, OPS CKS NORMAL. OK FOR SERVICE.
FWD EMERGENCY LIGHT, AFT OF CLOSET 712 INOPERATIVE. ACCOMPLISHED FIM 36-00 TASK 840, LRU PRSOV TEST PASSED, RAN ENGINE BLEED TESTED GOOD, OK FOR SERVICE.
37C EMERGENCY PATH LIGHT INOP. DANGLING FROM SEAT REMOVED DAMAGED LIGHT, WITHIN MEL DDP REQUIREMENTS PLACED ON PLACARD. TOMC APPROVED MEL 3319E DECAL INSTALLED. *DM* REFERENCE COLLINS AEROSPACE CMM 25-21-58-4610 PG 10165 ITEM 5,5A ADDED VERIFY ASSY AND IF OTHER PARTS ARE NEEDED FOR RECOVERY. THANKS DM! REPLACED EMERGENCY PATH LAMP ASSEMBLY ON SEAT 37C, OPS CHECKS GOOD.
TEST FLIGHT DISCREPANCY.ENGINE 2 ROLLBACK AND SHOWED ENG FAIL AT 15000 FEET AND 250 KTS IN CLEA R AIR. AUTO RESTARTED. ADDING INFORMATION FOR THE SDR AND MARKING THE LOGPAGE SDR SEE LP 9462973 FOR ALL WORK PERFORMED INSTALL OF HMU FROM UP TO AND INCLUDING NOT INCLUDING STEP 3. CONTINUED AMM 73-21-10-400-801-F00 INSTALL OF HMU FROM STEP 3 UP TO AND INCLUDING, NOT INCLUDING STEP 3. VERIFIED INSTALLATION G.6 AND 3.G.8 DUE TO PREVIOUS COMPLETION. PARTS USED: 29-7321-9-0012,QTY :1 ROTABLE PARTS J5 HARNESS INSTALLED IAW AMM 73-21-06-400-1-F00 REQUIRES OPS IAW EEC TEST, ASK 73-21-00-700-804-F00 AND TEST 12 -ACTUATORS REMOVED HMU W/REF TO AMM 73-21-10-000-801-F00. INSTALL HMU AT #2 ENGINE. UPGRADING THE NR TO RII. INSTALLED HMU REF. AMM 73-21-10-400-801-F00 UP TO AND INCLUDING STEP 3.G(1)(G)2) AND PERFORMED INSTALLATION OF FUEL TUBE ONLY UNIT, HYDROMECH OFF 29-7321-9-0012 0187 ON 0000 UNIT, HYDROMECH OFF 29-7321-9-0012 0187 ON 29-7321-9-0012 1782 PER STEP G6G AND G8J. G.6 AND 3.G.8 DUE TO PREVIOUS COMPLETION. PARTS USED: 29-7321-9-0012,QTY:1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1518355 SN OFF 0187 CHANGE WAS INDICATED - TT # 1518355 SN OFF 0187 TEST, TASK 71-00-00-700-807-F00 CONTINUED HMU INSTALL ON #2 ENGINE W/ REF TO AMM 73-21-10-400-801-F00 , C/W STEP 3.H.(1) THROUGH COMPLETION. PERFORMED LEAK CHECK,DRY MOTOR AND IDLE RUN, NO LEAKS WERE FOUND AT THIS TIME. PERFORMED EEC TEST, TASK 73-21-00-700-804-F00 AND TEST 12 - ACTUATORS 71-00-00-700-807-F00 TESTS PASSED NO DEFECTS NOTED
FOUND CORROSION ON OUTER SKIN LOWER SIDE LOCATED UNDER LAV SERVICE PANEL. BETWEEN STA 884 AND STA 867 AND STR 23L AND 26L. PART 2 OF EC/RA 5331-03125 ON OR BEFORE 24 MARCH 2026. ?ON THE FUSELAGE SKIN BETWEEN BS 847-867 AT S-25 COMMON TO LAVATORY SERVICE PAN, ACCOMPLISH INSPECTION REQUIREMENTS PER DIP 53.
REF. BAM NR''S 002177257 & 002222808 FOR ALL WORK ACCOMPLISHED. FWD CARGO COMP. STA 500K STR. 24L HAS A DENT ON THE HAT SECTION OF THE FRAME. REPAIRED THE DAMAGED FRAME PER SRM 53-30-07-2R-1 REPAIR 1. REF. BAM NR''S 002177257 & 002222808 FOR ALL WORK ACCOMPLISHED. LP CREATED TO CREATE ESFR AND DIP FOR BAM NR 2222808 APPROVED TO REMOVE FROM IP FOR MECH TO CREATE DIP. DIP 53-DIP.
REFERENCE BAM N/R 002177201 FOR ALL WORK ACCOMPLISHED. FWD CARGO COMPARTMENT STA.420 L/H AT STR24, THE FRAME IS DENTED ADJACENT TO THE STRINGER TIE ATOP OF FRAME HAT SECTION 53-30-07 REPAIR 2 TABLE 204 INITIAL INSPECTION 50,000 FLT CYCLES REPEAT INSPECTIONS EVERY 10,000 FLIGHT CYCLES. AFTER AIRPLANE DELIVERY. HFEC, LFEC, AND DETAILED INSPECTION. REPAIRED DAMAGED FRAME PER SRM 53-30-07 REPAIR 2. REPAIR IS A CATEGORY B REPAIR WILL REQUIRE DIP. PLACE ON DIP PER SRM VERIFIED BY QC, SFR #1037216
CREATED L/P TO ENTER ESFR FOR NR 2186653 "CORROSION FOUND ON FLOOR BEAM CHANNEL RH STA 867 AROUND S-17R.'' ESFR CREATED , SEE SFR # 1037202 AND BAM NR 2186653 FOR MORE INFO
FOUND A LARGE AND DEEP GOUGE ABOVE THE RAMP AIR DUCT LOWER FUSELAGE CENTER FUEL TANK EXTERIOR NEAR STA.578 RH SIDE PER PART 2 OF EC/RA 5711-01200 ON OR BEFORE 6 MARCH 2026 UNDER THE RH RAM AIR DUCT ON THE WING CENTER SECTION SKIN.
TEMP PROBE LIGHT LIGHT ON. REMOVED AND REPLACED TAT PROBE REF. AMM TASK 34-21-06. REQUIRES SEALANT TO BE APPLIED AND STEP J, TAT SYSTEM TEST (OF INSTALLATION INSTRUCTIONS) TO BE PERFORMED AFTER SEALING. PARTS USED: 29-3421-3-0006,QTY :1 COMPLETED INSTALLATION OF TAT PROBE REF. AMM TASK 34-21-06. SEALANT APPLIED & CURED AND TAT SYSTEM TEST SUCCESSFUL.
RT WING O/B TRAILING EDGE FLAP LOWER SURFACE SKIN DELAM/MISSING SECTION, MEASURING 26"X12" SEE PICS C/W RII INSPECTION OF RIGHT OUT BOARD TRAILING EDGE FLAP IAW MM27-51-22-400-801 UP TO AND INCLUDING STEP4 SUB STEP(6) NOTHING HAS BEEN TORQUED NEED TO CONTINUE WITH INSTALL LOCKED FOR FERRY UNLOCK FOR UPDATE LOCK FOR MX FERRY UNLOCKED TO UPDATE UNLOCK LOCK FOR MX FERRY REMOVED RT OUTBOARD TRAILING EDGE FLAP ASSY REF MM CORRECTION USED 27-51-22-000-801 INSTALLED RT OUTBAORD AFT FLAP PER MM 27-51-22-400-801 UP TO AND ABOVE SIGN OFF IS FOR STEP 4 E 6 OF MM TYPO. INSTALLED RT OUTBAORD AFT FLAP PER MM 27-51-22-400-801 UP 27-51-21-000-801 INCLUDING STEP 4 SUBSTEP (6). NEED TO CONTINUE WITH INSTALLATION TO AND INCLUDING STEP 4 E(6). NEED TO CONTINUE WITH INSTALLATION AND ADJUSTMENT AND ADJUSTMENT CONTINUED INSTALLATION OF OUTBOARD AFT FLAP FOLLOWING AMM 27-51-22-400-801 FROM SUBTASK (4) (E) STEP 7. PARTS USED: 29-5753-9-0010,QTY :1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1873679 SN OFF 4196 VERIFIED INSTALL OF RH AFT FLAP IAW GMM RII PROCEDURES. FLAP, B737NG, R OFF 29-5753-9-0010 4196 ON 29-5753-9-0010 8053
DUE TO REJECTED TAKEOFF & PER DIRECTION OF TOMC TAKEOFF WARNING SWITCH S651 WILL BE CHANGED BASED ON RTO. REMOVED AND REPLACED TAKEOFF WARNING SWITCH I.A.W. AMM 31-51-03. PERFORMED PSEU OPS TEST I.A.W. 32-09-10-710-801. OPS CHECK GOOD.
WINDSHIELD WIPER DOES NOT OPERATE IN ANY SWITCH POSITION RIGHT REMOVED AND REPLACED F/O''S WIPER MOTOR PER MM 30-42-21-400-801, OPS CHECK AND ADJUSTMENT GOOD, PERFORMED LAND VERIFY PER MM 22-11-00-201. LAND VERIFY TEST PASSED, CAT STATUS REMAINS FULLY CAPABLE. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1003956 SN OFF 7465 MOTOR, CONVERTE OFF 29-3042-9-0007 7465 ON 29-3042-9-0007 8944
SEAT EMERGENCY LIGHTS INOPERATIVE AT 26C. REPLACED THE BULBS AND LENS, LIGHT OPS CHECKED NORMAL.
SEATS 28C & 36C EMERGENCY LIGHT INOPERATIVE. INSTALLED NEW EMERGENCY LIGHTS. OPS OK.
EMERGENCY LIGHT COVER MISSING AT 1B. LIGHT DOES ILLUMINATE. REPLACED EMERGENCY LIGHT COVER
OVERHEAD LIGHTS IN CENTER SECTION OF CABIN FLICKERING. NEAR EMERGENCY EXIT. LED SEGMENTS OVER SEATS 15ABC AND 14 DEF ARE INOPERATIVE. THE REST OF EACH LIGHT BAR LED SEGMENTS ARE ON. OPS SEVERAL TIMES CABIN LIGHTS COULD NOT DUPLICATE PROBLEM.
DURING CLIMB OUT WITH FLAPS UP, HANDLE, GAUGE, LIGHTS SHOWING UP. AIRSPEED SAMON BUG STAYED AT 210 KTS & FLAPS SPEED. CYCLED HANDLE TO FLAPS 1 & FLAPS 5 WITH NO CHANGE IN FMC. UNABLE TO DUPLICATE ON GND, NO FLT FAULTS IN DFCS, FMC OR CDS SYSTEMS. AS PRECAUTIONARY R & R FSEU IAW AMM 27- 51-00-400-801.
STRONG BURNING ODOR ON DEPARTURE. IMMEDIATELY AFTER TAKEOFF BURNING PLASTIC SMELL REPORTED AROUND ROW 10 AREA. IAW AMM 05-51-26-800-801C1 RAN ENGINES, PERFORMED ELECTRICAL INSPECTION, NO BURNING OR SMOKE ODORS IN CABIN. TOMC DEEMED ACFT OK FOR SERVICE.
CREW CALL WITH DISPATCH, CREW O2 DOWN TO 2000 LBS, CANNOT DISCONNECT. DIVERT, FOUND FIRST OFFICERS O2 MASK LINE BROKE. R & R FIRST OFFICERS CREW O2 MASK. OPERATIONS CHECKED OK IAW 35-12-85. SERVICED CREW O2 BOTTLE IAW GMM 11-35-30. ROTABLE PARTS CHANGE WAS INDICATED. TT 1705402, SN OFF 09670 MASK, OXYGEN, C OFF 25-3512-9-9050 9670 ON 0000.
AFTER LANDING TAXING TO THE GATE THE AFT CARGO FIRE RED LIGHT CAME ON, OPERATED FIRE BOTTLE DISCHARGED BUTTON IAW THE QRH. REPLACED LT NR 1 CARGO FIRE BOTTLE IAW AMM 26-23-01 IAW 4734755 & AFT CARGO ELECTRONIC UNIT IAW AMM 26-16-02-000-80. TAXI AIRCRAFT RAN PACKS WITH ENGS & APU. CARGO FIRE DETECTION & SQUIBS TESTED NORMAL