N929AK
Registered owner: BANK OF UTAH TRUSTEE, UT (owner ≠ operator)
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.
44 reports on file, 2014-01-15 – 2025-09-17.
Part: TRANSITION PANEL — CORRODED (ZONE 100) · corrosion level 2 · airframe 14,262 hrs · 4,075 cycles
UPON ACCOMPLISHING GVI IN AFT CARGO FOUND R/H TRANSITION TO HAVE CORROSION STA 727D TO 747. GROUNDED - YES. REMOVED CORROSION TRANSITION PANEL FOUND TO BE OUT OF LIMITS, REMOVED AND REPLACED IAW B737 9MAX SRM 53-00-53-2R-5 W=1" O= .040 R= .032 L= 2" D= .008.
Part: TRANSITION PANEL — CORRODED (ZONE 100) · corrosion level 2 · airframe 14,262 hrs · 4,075 cycles
UPON ACCOMPLISHING GVI IN AFT CARGO FOUND LT TRANSITION TO HAVE CORROSION STA 727D TO 747. GROUNDED - YES. REMVOED CORROSION ON TRANSITION PANEL FOUND TO BE OUT OF LIMITS, REMOVED AND REPLACED IAW B737-9MAX SRM 53-00-53-2R-5 W= 2 O= .040 R= .034 L= 3 D= .006.
Part: LENS — MISSING (ZONE 200) · airframe 13,885 hrs · 3,957 cycles
EXIT ROW LIGHT COVER AT PAX SEAT 16F IS MISSING. GROUNDED - YES. INSTALLED EXIT SIGN LENS COVER AT SEAT 16F REF AMM 33-51-01. OPS CHK GOOD.
Part: SIGN — MISSING (ZONE 200) · airframe 13,441 hrs · 3,817 cycles
EXIT ROW SIGN LOWER 16F MISSING. GROUNDED - YES. INSTALLED NEW EXIT ROW SIGN AT 16F - P/N 207377-1007 REF AMM 33-51-01.
Part: LENS — BROKEN (ZONE 200) · airframe 12,995 hrs · 3,676 cycles
FA REPORTS EXIT SIGN REAR R2 DOOR DETACHED AND WILL NOT STAY ATTACHED. GROUNDED - YES. FOUND PLASTIC EXIT SIGN R2 BROKEN, REPLACED WITH NEW EXIT R2 SIGN EMERGENCY LIGHTS OPS CK GOOD PER AMM 33-50-00.
Part: LENS — MISSING (ZONE 200) · airframe 12,233 hrs · 3,472 cycles
EXIT LIGHT LENS COVER AT SEAT 16A MISSING. GROUNDED - YES. REPLACED LIGHT LENS COVER AS REQUIRED.
Part: GLOWSTRIP — DAMAGED (ZONE 200) · airframe 12,039 hrs · 3,420 cycles
GLOWSTRIP AT F/C GALLEY CRACKED AND PULLING UP OFF OF FLOOR. GROUNDED - YES. REPLACED PHOTOLUMINESCENT STRIP BETWEEN SEAT ROW 19 ABC THROUGH 22ABC AND IN ROW 1 ABC IN REF TO AMM 33-51-15.
Part: GLOWSTRIP — DAMAGED (ZONE 200) · airframe 12,039 hrs · 3,420 cycles
GLOW STRIP NEAR AFT GALLEY PULLING UP OFF FLOOR AND NOT GLOWING. GROUNDED - YES. REPLACED PHOTOLUMINESCENT STRIP NEXT TO LAV G IN REF TO AMM 33-51-15.
Part: LENS — MISSING (ZONE 200) · airframe 11,789 hrs · 3,357 cycles
ON PREFLIGHT NOTED EXIT SIGN COVER AT SEAT 17F IS MISSING. GROUNDED - YES. REPLACED LENS IAW AMM 33-51-14.
Part: LENS — BROKEN (ZONE 200) · airframe 11,466 hrs · 3,267 cycles
LEFT AFT OVERWING EMERGENCY EXIT LIGHT-LENS SCREW BROKEN (ROW 17A). GROUNDED - YES. REPLACED LEFT AFT OVERWING EMERGENCY EXIT LIGHT LENS COVER, SEAMC ROBERT NOTIFIED.
Earlier reports · 2014–2023 · 34 reports
2023
Part: FUEL NOZZLE — COKED (#2 ENGINE) · airframe 7,048 hrs · 2,037 cycles
TECH SERVICES FOLLOW UP ON CFM CNR 20231103005 #2 ENG (S/N 60A519) TREND DATA SHOWS FUEL NOZZLE PILOT COKING. (#PRI3/ETOPS) (FULL SET FUEL NOZZLE REPLACEMENT 737MAX T/C 73-ASA-02)NO EXTENSION ALLOWED (225 CYCLES OR 45 DAYS, WHICHEVER OCCURS FIRST). GROUNDED - YES. (RESOLVED ON W/O: 1971461 TASKCARD: N/R-00001 ) REPLACED #2 ENGINE NOZZLE SET , REF. ASA T/C 73-ASA-02.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 6,822 hrs · 1,975 cycles
SAT -1 NOT READY. GROUNDED - YES. ON DEFERRAL.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 6,441 hrs · 1,862 cycles
ELEC LIGHT ILLUMINATED ON STARTUP. GROUNDED - YES. PERFORMED IFIM TASK 24-31-00-810-802. SPCU INOP.RESET ELECT LIGHT, RAN #1 ENGTO CONFIRM NO ELECT LIGHT ON PWR XFER.NO HISTORY 30 DAYS, SEAMC MIKE NOTIFIED.
Part: HEATER — INOPERATIVE (TEMP PROBE) · airframe 6,139 hrs · 1,779 cycles
TEMP PROBE LIGHT ILLUMINATED. GROUNDED - YES. REPLACED TAT PROBE IAW AMM 34-21-06. OPS TEST GOOD. ALL PROBES HEAT AND LIGHT IS NO LONGER ILLUMINATED.
Part: INSERT — PULLED (#2 ENGINE VALVE) · airframe 5,692 hrs · 1,657 cycles
#2 ENG PNEUMATIC HPSOV LOCK COLLAR THREADED INSERT PULLED OUT. GROUNDED - YES. REMOVE HPSOV #2 ENG REF B737-9 AMM TASK 36-11-07-000-80 INSTALL HPSOV REF AMM TASK 36-11-07-400-801. OPS & LEAK CK GOOD, NO STATUS MSG OR MAINT LIGHT. REF AMM 36-11-07-400-801.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 5,623 hrs · 1,636 cycles
CABIN CREW REPORTS R1 GIRT BAR DIFFICULT TO ARM AND DISARM. GROUNDED - YES. ADJUSTED GIRT BAR BRACKET AS REQUIRED AND CLEANED GIRT BAR LATCHED AS NEEDED. ARMED AND DISARMED R1 DOOR SLIDE GIRT BAR AND OPS CHECK NORMAL.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 5,333 hrs · 1,550 cycles
WHILE ACCOMPLISHING ASA ASA T/C 05-020-01 FOUND SMT ENG EEC C2 FAULT CODE 731 451 51 CORRELATED MAINTENANCE MESSAGE 73-41420 ON LEG-1. DPC-1 HAS NO EEC CHANNEL-B INPUT ON ARINC-429 DETECTED BY ENG:1 EEC. GROUNDED - YES. CW B737-9 IFIM G73-20-00-810-809. FAULT NOT ACTIVE. ONE OCCURRENCE AT TIME OF PLT LEG 31.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 5,333 hrs · 1,550 cycles
AFTER STARTING #1 ENGINE, STABILIZED, THEN SHUTDOWN AUTOMATICALLY WITH NO ABNORMAL INDICATIONS. GROUNDED - YES. FOUND FAULT CODE 71-43691 ENGINE STALLED DURING START. PERFORMED B737-9 IFIM TASK G71-00-00-810-869/ENGINE IDLE SYSTEM TEST STEP B(2) PASSED. FAULT DID NOT RETURN AND FAULT WAS CORRECTED NO LEAKS NOTED FROM DRAIN MAST.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 5,336 hrs · 1,551 cycles
WHILE ACCOMPLISHING ASA T/C 05-020-01. FOUND SMT ENG 1 EEC C1 FAULT CODE 732 451 51 CORRELATED MESSAGE 77-09002 ON LEG-1. ENGINE-1 EEC CHANNEL-B HAS AN INTERNAL FAULT. GROUNDED - YES. ON DEFERRAL.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 5,336 hrs · 1,551 cycles
WHILE ACCOMPLISHING ASA T/C 05-020-01. FOUND SMT ENG 1 EEC C2 FAULT CODE 731 451 51 CORRELATED MAINTENANCE MESSAGE 73-41430 ON LEG-1. DPC-2 HAS NO EEC CHANNEL-B INPUT ON ARINC-429 DETECTED BY ENGINE-1 EEC. GROUNDED - YES. ON DEFERRAL.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 5,336 hrs · 1,551 cycles
WHILE ACCOMPLISHING ASA T/C 05-020-01. FOUND SMT ENG 1 EEC C2 FAULT CODE 73145151 CORRELATED MAINTENENCE MESSAGE 77-09002 LEG-1. ENGINE-1 EEC CHANNEL-B HAS AN INTERNAL FAULT. GROUNDED - YES. ON DEFERRAL.
Part: EEC — FAULTY (#1 ENGINE) · airframe 4,624 hrs · 1,339 cycles
CFM IS REPORTING A POTENTIAL PROBLEM WITH #1 ENGINE EEC CHANNEL B VIBRATION ANALYSIS HEALTH MODULE(VAHM) WITHIN THE EEC. GROUNDED - YES. STEP1: ENG. 1 "B" EEC P/N 2474M64P06 S/N LPBM0878STEPS 2/3 : "AVM PART NUMBER" SHOWS "NOT LOADED" REF. B737-9 AMM 73-21-05, REMOVED/INSTALLED #1 ENG "B" EEC. ONE EEC REPLACEMENT TESTS AND CREDENTIALS COMPLETED.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 4,632 hrs · 1,341 cycles
ENROUTE SAT-1 INDICATES NOT READY. GROUNDED - YES. RESET SATCOM C/B P18-2 PANEL E13. PERFORM BITE TEST IAW B737-9 AMM 20-15-00-740-801. SYSTEM TEST PASS NO 30 DAY HISTORY
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 4,572 hrs · 1,319 cycles
AT APPROX. 2000' AGL WITH ENGINE ANTI ICE ON AND AT FLIGHT IDLE. BOTH COWL VALVE LIGHTS ILLUMINATED MOMENTARILY AND BOTH DUCT PRESSURE NEEDLES STARTED FLUCTUATING BETWEEN 20-60 PSI WITH POWER UP WHEN CONFIGURED FOR LANDING. DUCT PRESSURE FLUCTUATION SETTLE BACK TO NORMAL. GROUNDED - YES. PERFORMED B737-9 IFIM TASK 30-21-00-810-807 ENG #1 COWL LIGHT VALVE ON. FOUND NO MAINTENANCE MESSAGES CHAP 36 PNEUMATICS, NO MAINT MESSAGES OR EXISTING FAULTS FOUND.
Part: CHARGER — INOPERATIVE (E/E RACK E3-3) · airframe 4,263 hrs · 1,234 cycles
ELEC CAUTION LIGHT ILLUMINATED DURING ENGINE START. LIGHT ILLUMINATED AND REMAINED ON. GROUNDED - YES. TROUBLESHOOTING PER B737-9 IFIM 24-31-00. PERFORMED ELEC LIGHT BITE TEST. FOUND AUX BAT CHGR INOP 1 MESSAGE. R & R MAIN & AUXILIARY BATTERY IAW B737-9 AMM 24-31-11. R & R AUXILIARY BATTERY CHARGER IAW AMM 24-31-31. E3-3 AUX, E2-1 MAIN
Part: MODULATING VALVE — FAILED (#2 ENGINE) · airframe 3,762 hrs · 1,082 cycles
DURING ACCOMPLISHMENT OF ASA T/C31-005-00 RH BLEED FAULT FAMV RVDTR MSG 36-12031. GROUNDED - YES. REMOVED & REPLACED FAN AIR MODULATING VALVE ASSY PER ASA T/C M9-36CMPT-24668-1. REQ IDLE RUN & SYSTEM TEST. ACCOMPLISHED IDLE RUN #2 ENGINE & PERFORMED PNEUMATIC ENGINE ON SYSTEMS TEST. TEST PASSED. NO FAULTS NOTED.
2022
Part: FMC — FAILED · airframe 3,499 hrs · 1,007 cycles
DURING DESCENT WITH F/D SELECTED TO FO SIDE RECEIVED SINGLE FMC OPERATION MSG FO LOST COMMAND BARS, AND A/P WENT TO CWS PITCH AND ROLL VTK WAS DISPLAYED ON FO'S DISPLAY THIS LASTED FOR A COUPLE OF MINUTES THEN SYSTEM SEEMED TO RECOVER NORMAL OPS. GROUNDED - YES. REMOVED AND INSTALLED NEW #2 FMC COMPUTER REF B737-9 AMM 34-61-02/401. XLOADE4D SW FROM LEFT TO RT SIDE. ACCOMPLISHED INSTALL TEST PER STE F OF AMM 34-61-02. SYS OPS NML.
Part: SHUTOFF VALVE — FAULTED (NR 2 BLEED) · airframe 3,213 hrs · 925 cycles
RT BLEED LIGHT IS ON. GROUNDED - YES. FOUND R/H PRSOV FAULT 36-11-051 AND 36-00171. REPLACED #2 ENGINE PRSOV REF B737-9 AMM 36-11-04. PNEUMATIC LEAK CHECK AND OPS CHECK PASSED. PERFORMED LRU REPLACEMENT TEST AND PNEUMATIC ENGINE ON-SYSYEM TEST, ALL TEST PASSED REF AMM 36-00-00. NO MAINT MESSAGES PRESENT.
Part: FMC — MALFUNCTIONED · airframe 3,188 hrs · 917 cycles
VNAV DISENGAGES AFTER 10 SECONDS OF USE. OBSERVED BEFORE TAKEOFF, CLIMB, AND CRUISE FLIGHT. FMC FUNCTIONS, IRS, GPS, LNAV, AND OTHER AUTOFLIGHT FUNCTIONS ARE NORMAL. APPROACHING THE TOD, WE GOT VERIFY POS: FMC - FMC IN THE SCRATCHPAD. WE DID THE FH 6.110 PROCEDURE TO CORRECT THE R FMC POSITION SUCCESSFULLY. GROUNDED - YES. PER B737-9 IFIM 22-11-00-810-D21 CHECKED OMF EXISTING FAULTS CHAPTER 34. NO RELATED FAULTS FOUND. FMCS WERE RESET. ADIRU INSTALLATION TEST PASSED. FMC OPS CHECK GOOD. PERFORMED DFCS BITE TEST AND FOUND LEG1 PITCH REV CHANNEL B. FMC DATA INV. FAULT 22-11822. PER IFIM 22-11-00-810-C15 INITIAL EVAL PERFORMED FMC LIBRARY TEST. TEST PASSED.
Part: SATCOM — LOCKED · airframe 3,179 hrs · 914 cycles
SATCOM LOCK UP. GROUNDED - YES. ASA QRH COMPLETED SATCOM RESET SUCCESSFULLY.
Part: PRESSURE VALVE — INOPERATIVE (#2 ENGINE) · airframe 3,022 hrs · 858 cycles
AMBER BLEED#2 LIGHT ILLUMINATED DURING DESCENT INTO KEWR. GROUNDED - YES. PERFORMED OMF INTERROGATION,TEST REVEALED #2 ENG PRSOV VALVE FAILED CLOSED, REMOVED AND REPLACED #2 ENG PRSOV IAW B737-9 AMM 36-11-04, OPS CK, LEAK CK GOOD, MAINT LIGHT NO LONGER PRESENT.
Part: CIRCUIT BREAKER — FAULTED (UNKNOWN) · airframe 2,587 hrs · 735 cycles
HF 2 FAIL LIGHT ON AUDIO PANEL. GROUNDED - YES. CYCLED HF #2 C/B HF 2 INDICATION RESTORED ON ALL RTP'S. VERIFIED GOOD RECEPTION AND CORRECT TRANSMIT TUNING TONE. REF B737-9 AMM 23-11-00. ETOPS GROUND VERIFICATION SUCCESSFUL.
Part: FMC — FALSE INDICATION (UNKNOWN) · airframe 1,790 hrs · 492 cycles
FMC DISAGREE DISPLAYED DURING PREFLIGHT. GROUNDED - YES. ACCOMPLISHED B737-9 IFIM 34-61-00-810-918. OPS TEST NORMAL. DUAL FMC RESTORED.
Part: DATALINK — FAILED (UNKNOWN) · airframe 1,612 hrs · 435 cycles
ATC DATA LINK INDICATES FAIL. GROUNDED - YES. RESET FMC'S REF B737-9 AMM 34-61-00-720-899. CPDLC FUNCTION TEST OK "DATA LINK READY" ATC DATA LINK OPS RESTORED.
Part: FMC — FAULTED (UNKNOWN) · airframe 1,471 hrs · 389 cycles
FMC DISAGREE. GROUNDED - YES. CYCLED FMC #1 AND #2 C/B'S P18-2 A6 AND P6-1 D16 REF B737-9 IFIM 34-61-00-810-918. NO FAULTS/DISAGREE MSG AFTER RESET. ETOPS SIGNIFICANT SYSTEM GROUND VERIFICATION SUCCESSFUL.
Part: ANTI-ICE SYSTEM — FAULT MESSAGE (UNKNOWN) · airframe 1,263 hrs · 328 cycles
"L VALVE" LIGHT ILLUMINATES WHEN WING ANTI ICE SWITCH IS ON. GROUNDED - YES. PERFORMED OPS CHK OF WING THERMAL ANTI ICE VALVE ON #1 ENGINE REF B737-9 AMM 30-11-11. OPS CHK GOOD, NO DEFECTS NOTED.
Part: CIRCUIT BREAKER — FAILED (UNKNOWN) · airframe 1,162 hrs · 306 cycles
WXR FAIL. GROUNDED - YES. RECEIVED MAINT MSG 34-43100 - PULLED AND RESET C/B D13 ON P6-1 DHL PERFORMED 1 B737-9 FIM TASK 34-41-00-810-836 NO ACTIVE MAINT MSG PERFORMED WEATHER RADAR OPERATIONAL TEST IAW B737-9 AMM 34-41-00-710-801. OPS CHECK GOOD NO FAILURES NO MAINT HISTORY LAST 90 DAYS.
Part: UNKNOWN — FAILED (#1 ENGINE) · airframe 951 hrs · 253 cycles
ENGINE ANTI ICE ON, THE ANTI ICE PANEL CAUTION LIGHTS STARTED TO FLASH FOLLOWED BY THE DUCT PRESSURE GAUGES FLUCTUATED FROM 60-0 ON BOTH NEEDLES. GROUNDED - YES. NO RELATED FAULTS LOGGED ON OMS SYS WITH ENG'S RUN - BLEEDS ON TOGETHER OR SEPARATE, DUCT PRESS FLUCTUATES FROM 20PSI TO 40PSI - BACK & FORTH. ENG COWL ANTI-ICE SYS OPS NML INDIC. R/R #1 ENG OVERPRESS AND MIN PRESS SWITCHES FOR ANTI-ICE SYS REF B737-9 AMM 30-21-21. OPS CHECK GOOD. PERF IDLE ENG RUN ON #1 & #2 ENG WITH BLEEDS ON, PACKS ON. ALL INDIC NORMAL. ATA 36 PNEUMATICS DATA PAGES REVEALED HPSOV CLOSED. R/R #1 HPSOV REF AMM 36-11-07. LEAK CHECK GOOD. LRU REPLCMNT TESTS GOOD. RAN ENGINES AGAIN WITH AFOREMENTIONED CONFIG AND #1 COWL VALVE LIGHT ILLUMINATED AGAIN. REF B737-9 IFIM TASK 36-10-00-810-832. SYS OPS NORMAL. ENG BLEED AIR SYS PRESS OSCILLATION MAY OCCUR DURING T/O OR CLIMB THRUST ALSO AT REDUCED THRUST CRUISE SETTINGS CAUSING ANTI ICE VALVE TO OPEN & CLOSE. ADVANCING THROTTLES TO ELIMINATE ANTI ICE LIGHTS MASTER CAUTION
Part: CONTROL UNIT — OVERHEATED (E/E RACK) · airframe 942 hrs · 250 cycles
FWD RIGHT WINDOW HEAT OVERHEAT LT CAME ON IN DESCENT. RAN QRH AND WOULD NOT RESET. GROUNDED - YES. REMOVED AND REPLACED NO. 2 WINDOW HEAT CONTROL UNIT. OPS CHECK GOOD. REF B737-9 AMM 30-41-11.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 492 hrs · 137 cycles
"FMC DISAGREE" DISPLAYED ON BOTH MCDUS. GROUNDED - YES. PERFORMED B737-9 IFIM 34-61-00-810-918 FMC'S RETURNED TO NORMAL, NO FAULTS OK FOR SERVICE GRD VERIFICATION SUCCESSFUL.
Part: IGNITER — INOPERATIVE (#2 ENGINE) · airframe 157 hrs · 45 cycles
DURING PRE-FLIGHT, OVERHEAD PANEL "MAINT" FOUND ILLUMINATED. GROUNDED - YES. REMOVED AND REPLACED #2 ENG R/H IGNITER PLUG REF B737-9 AMM 74-21-02. POWER PLANT TEST REF AMM 71-00-00. OPS TEST GOOD. MTX INHIBIT RESET.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 58 hrs · 22 cycles
AT CRUISE FMC IS IN CRUISE MODE BUT ND THRUST MODE DISPLAY ABOVE THE ENGINE READOUT SHOWS CLB. DURING DESCENT FMC DISPLAYS DESCENT AND THRUST MODE INDICATES CRZ. GROUNDED - YES. CK OUT OF BOTH FMCS FIXED OUTPUTS THRU MCDU CKS NML. FMCS SYSTEMS TEST NML IAW B737-9 AMM 34-61-00 - FMC/EAD INDICATIONS TEST SYNC NML.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 21 hrs · 11 cycles
"ENG 1 EEC C1" FAULT FOUND ON SMT. MAINT MSG 73-43981 - ELECTRONIC OVERSPEED THRUST CONTROL MALFUNCTION ACCOMODATION TEST FAILED. GROUNDED - YES. VERIFIED NO OMF EXISTING FAULTS, REF B737-9 IFIM TASK G73-21-00-810-994.
2014
Part: WIRE — CHAFED (ZONE 700) · airframe 5,599 hrs · 3,953 cycles
PRIMARY LANDING GEAR DOWN, INDICATOR FAILURE GEAR LIGHTS CIRCUIT BREAKER TRIPPED & "FLT ANN." CIRCUIT BREAKER TRIPPED. TROUBLESHOT SYSTEM AND FOUND WIRES CHAFED IN THE CIRCUIT FOR THE RT PRIMARY GEAR DOWN LOCK SWITCH AND FOUND THE SECONDARY DOWN LOCK SWITCH OUT OF TOLERANCE. REPLACED PRIMARY AND SECONDARY DOWN LOCK SWITCHES AND WIRING IAW MM 32-30-01. ACCOMPLISHED OPS CHECKS AND GEAR SWINGS WITH NO DEFECTS NOTED.