N952AK
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
EMERGENCY LIGHT BEHIND L2 DOOR OUTER FUSELAGE INOPERATIVE. GROUNDED - YES. REPLACED LAMPS BEHIND L2 DOOR OUTER FUSELAGE AND OPS CHECK TESTED GOOD. IAW AMM 33-51-04-960-801.
FORWARD CARGO COMPARTMENT STA. 500I AFT BULKHEAD LOWER CENTER SUPPORT IS CORRODED. GROUNDED - YES. EVALUATED CORROSION OF SUPPORT, FOUND TO BE CORRODED MULTIPLE AREAS THAT EXCEED 10% WIDTH OF LOWER FLANGE, FOUND TO BE OUT OF LIMITS IAW B737-MAX SRM 53-00-53-1A-2 FIG. 103 SHEET 2 DETAIL A&B. REMOVED AND REPLACED LOWER CENTER SUPPORT IAW B737-MAX SRM 51-40-02 AND BAC DWG 143A9481 REV. A. REMOVED AND REINSTALLED FLOOR PANEL 120EF IAW B737-MAX AMM 5110-04. LOWER CENTER SUPPORT P/N 143A9485-35 P.O.# 1096478.2.
L VALVE CAUTION LIGHT REMAINED ILLUMINATED WHEN THE WING ANTI ICE SWITCH WAS ON WHEN THE SWITCH WAS TURNED OFF, THE LIGHT WENT OUT. GROUNDED - YES. PERFORED AMM 30-11-11-200-801. OPS CHECK NROMAL. NO DEFECTS NOTED. OK FOR SERVICE.
LEFT FORWARD WINDOW HEAT OVERHEAT. GROUNDED - YES. PERFORMED WINDOW HEAT CONTROL UNIT TEST FOUND L/H FORWORD #1 WINDOW P5-9 L/H FORWORD #2 WINDOW P5-9 R/H FORWORD #1 WINDOW P5-9 R/H FORWORD WINDOW BIT OKAY. R/R WINDOW HEAT CONTROL UNIT PER AMM 30-41-11-000-801 & 30-41-11-400-801 OPS CHECK GOOD A/C OK FOR SERVICE SEAMC SCOTT NOTIFIED.
APU FAULT LIGHT ON WHILE ATTEMPTING START. GROUNDED - YES. ON DEFERRAL.
APU FAULT LIGHT UPON STARTING AFTER LANDING. GROUNDED - YES. CONDUCTED FAULT ISOLATION PROCEDURES PER B737-9 FIM 31-00-00-810-803. NO PRESENT FAULTS. APU START SUCCESSFUL. NO APU FAULT HISTORY. OK FOR SERVICE.
BOTH NAVS DISPLAYS HAVE "FMC DISAGREE" ALERT MESSAGE. GROUNDED - YES. PERFORMED IFIM 34-61-00-810-918, CYCLED FMCS C/BS FMC DISAGREE MESSAGES EXTINGUISHEDSEAMC CHRIS NOTIFIED.
REF T/C 31-005-00 #1 ENG HAS SMT MESSAGE "BLEED FAMV RVDT L" WITH ASSOCIATED CORRELATED FAULT 36-12030 "ENGINE 1 FAMV RVDT SIGNAL IS OUT OF RANGE. DETECTED BY: INTEGRATED AIR SYSTEMS CONTROLLER. GROUNDED - YES. ON DEFERRAL.
APU OIL QTY INDICATION STATUS MESSAGE, 49-94304. GROUNDED - YES. ON DEFERRAL.
APU OIL QTY STATUS MESSAGE, MAINTENANCE , MESSAGE 49-94304 DISPLAYED. GROUNDED - YES. TROUBLESHOT IAW FIM 49-90-00-810-811. PERFORMED INITIAL EVALUATION. OMF SHOWED NOT ACTIVE FOR MAINTENANCE MSG 49-94304. FIM STATES THERE WAS AN INTERMITTENT FAULT. REF L/P 60722836 FOR APPLICATION OF MEL 49-99A ( APU ON DEMAND POST MAINTENANCE ).
DURING ETOPS PDC OIL LEVEL CHECK, APU OIL LEVEL DISAPPEARED AND MAINT. LIGHT CAME ON. GROUNDED - YES. PERFORMED B737-9 FIM TASK FOR MSG 49-94304. OIL LEVEL SENSOR FAILURE. AFTER INITIAL EVALUATION TEST, ALL INDICATIONS RETURNED TO NORMAL. MAINT LIGHT EXTINGUISHED-NO ACTIVE FAULTS SHOWING ON STATUS, INTERMITTENT FAULT. APU STARTED AND OPERATED NORMAL OK FOR SERVICE. FIM TASK 49-90-00-810-811.
REF T/C 31-005-00SMT "BLEED FAMV RVDT L" MESSAGE SHOWS WITH CORROLATED MAINTENANCE MESSAGE 36-12030 "ENG 1 FAMV RVDT SIGNAL IS OUT OF RANGE". GROUNDED - YES. (RESOLVED ON W/O: 1961274 TASKCARD: N/R-00001 ) REMOVED AND REPLACED FAMV ON #1 ENG. PERFORMED ELECTRICAL LRU REPLACEMENT TEST AND PNEUMATIC ENGINE ON-SYSTEM TEST. BOTH TESTS PASSED. OPS CHECK GOOD. REF AMM 36-12-03. SEAMC ANDY NOTIFIED.
BLEED FAMV RVDT L FAULT CODE 36145241 FOUND #1 ENGINE. GROUNDED - YES. ON DEFERRAL.
"MAINT" LIGHT ON LANDING ROLLOUT. GROUNDED - YES. OMF SHOWS 2 STATUS MESSAGES: ENG 1 REVERSER AND ENG1 CONTROL. RAN IFIM TASKS 678-20-00-810-857 AND 678-30-00-810-810. RESET AND TEST OF BOTH SYS OK.ERASED LATCHED MESSAGE. NO CORROLATED FAULTS.SEAMC PHIL NOTIFIEDTSAR174M.
WX RADAR WILL NOT DISPLAY KNOWN THUNDER STORMS IN AUTO MODE. WEAK RETURN ARE POSSIBLE IN MANUAL MODE BUT WILL NOT DISPLAY VISIBLE STORM DIMENSIONS ON RADAR DISPLAY. VARIOUS GAIN ADJUSTMENTS MADE WITH NO CHANGE AT MAX GAIN. GROUND CLUTTER FUNCTION WORKS NORMALLY. GROUNDED - YES. NO FAULTS NOTED ON MDS. C/W WEATHER RADAR SYSTEM TEST = NO FAULTS NOTED DURING TEST, TESTS OK. REF B737-9 AMM 34-41-00-730-801.
AT CRUISE AFTER EXPERIENCING A SLIGHT WAVE WITH AUTOPILOT ON, PITCH TRIM CONTINUED TRIMMING UP THEN DOWN UNTIL A/P WAS TURNED OFF. GROUNDED - YES. REMOVED AND REPLACED FCC-B, REF B737-9 AMM 22-11-33.
FMC DISAGREE WHILE ON THE GROUND. GROUNDED - YES. PERFORMED RESET PROCEDURE PER QRH. CLEARED.
HGS AUTOLAND FAILED. "NO AIII". GROUNDED - YES. ACCOMPLISHED HGS SYSTEM TEST REF COLLINS AEROSPACE HGS 6000 SMM 34-36-52 NO EXISTING FAULTS.
R ELEVATOR PITOT HEAT LIGHT ILLUMINATED INTERMITTENTLY AFTER LANDING AND DURING TAXI IN. GROUNDED - YES. C/W B737-9 IFIM TASK 30-11-00-810-807 RT ELEV PITOT LIGHT OPS CKS NORMAL AFTER RESET.
AMBER MAINT LIGHT ILLUMINATED. GROUNDED - YES. MDS STATUS INDICATES APU OIL QTY WITH A CORRELATED MAINTENANCE MESSAGE WITHIN EXTENDED - FAULT HISTORY: 49-94304 - NON-ACTIVE. ERASED LATCHED MESSAGE. RESTARTED APU AND OBSERVED CORRECT OIL QTY DISCRETE. FAULT DOES NOT REPOPULATE. PER SEAMC CSS SUCCESSFUL IN FLIGHT.
CFM IS REPORTING #2 ENGINE ODMS CHIP COUNT INCREASE ON A SINGLE FLIGHT. GROUNDED - YES. PERF ODMS SENSOR INSP IAW B737-9 AMM 79-00-00. PARTICLES CANNOT BE VISUALLY IDENTIFIED, TO BE SENT TO LAB FOR IDENTIFICATION. ODMS BUILDUP IS NORMAL FUZZ LEVEL. PERF SCAVENGE SCREEN PLUGS INSP IAW AMM 79-21-04. NO DEBRIS FOUND ON ANY SCAVENGE SCREENS. PERF STARTER MAGNETIC CHIP DETECTOR INSP IAW AMM 80-11-09. FOUND ABNORMAL ACCUMULATION OF PARTICLES. AMOUNT OF PARTICLES IDENTIFIED IAW AMM 79-00-00, AMOUNT IS LIGHT MODERATE FUZZ. PARTICLES CANNOT BE VISUALLY IDENTIFIED R&R ENG #2 STARTER PER AMM 80-11-01/401. PERF DEBRIS MONITORING SYS B COUNT RESET REF AMM 71-00-00-700-802-G00 ALL TESTS PASS.
MAINT LIGHT ILLUMINATED UPON LANDING. GROUNDED - YES. REMOVED AND REPLACED ENG #1 RIGHT IGNITER IN REFERENCE WITH B737-9 AMM TASK 74-21-02. MAINT LIGHT EXTINGUISHED. SEE ASA L/P 60589759.
DURING #1 ENG START, IGN R DID NOT START ENGINE. GROUNDED - YES. REMOVED AND REPLACED ENG #1 RIGHT IGNITER IN REFERENCE WITH B737-9 AMM TASK 74-21-02.
REF T/C 05-020-01 INTERROGATE SMT DISPLAY SYSTEM FOR ENG FAULTS, FOUND ENG 2 EEC C1 & ENG 2 EEC C2 FAULTS SET. GROUNDED - YES. FOUND NUMEROUS FAULTS RELATED TO ENG 2 EEC CH-B INTERNAL FAULTS, MSG 77-09004. FAULTS SET 12 LEGS AGO. OTHER FAULT CODES WERE 78-44344,78-44464,77-09004,74-42574,75-42434,73-42214,73-43824, 75-42664,79-42914 & 79-41834. C/W B737-9 IFIM G73-20-00-810-942 FOR EEC CH B INTERNAL FAULT. NO DEFECTS & FAULTS NOTED. ERASED SMT MSG. NO FURTHER ACTIONS AT THIS TIME.
FMC DISAGREE WARNING ON GROUND. GROUNDED - YES. ACCOMPLISHED RESET PROCEDURE PER QRH. FAULT/WARNING CLEARED.
HF-1 HAS NO SIDE TONE. DOESN'T TRASM.T OR RECEIVE VOICE. GROUNDED - YES. REMOVED AND REPLACED #1 HF TRANSCEIVER. REF B737-9 AMM 23-11-21.
AFTER LANDING AMBER MAINT LIGHT ILLUMINATED WITH MASTER CAUTION. GROUNDED - YES. VERIFIED FAULT MESSAGE 79-41192 STILL ACTIVE ON #1 ENG. DUE TO CHRONIC NATURE OF THIS FAULT ACCOMP. R/R OF ODM SEPARATOR REF T/C SBLEAP-1B-79-0012-1.
MAINT LIGHT ILLUMINATED AGAIN AFTER LANDING. GROUNDED - YES. INTERROGATED MTX MESSAGES AND FOUND MSG 79-41192 ENG 1 OIL DEBRIS. C/W B737-9 IFIM TASK G79-21-00-810-801, CHECKED ODMS SENSOR, NO DEBRIS FOUND. REMOVED AND REPLACED OIL DEBRIS MONITORING TRANSMITTER UNIT IAW B737-9 AMM 79-21-14. PERFORMED REQUIRED OPS TEST FOR REPLACEMENT OF DEBRIS MONITORING TRANSMITTER UNIT REF. AMM 79-21-14 ALL TEST PASS. RESET #1 DMS CHIP COUNT REF AMM 71-00-00-700-802-G02 PERFORMED ENG #1 RUN AND LEAK TEST REF AMM 71-00-00-790-804-G00 NO DEFECTS NOTED.
MAINT LIGHT ILLUMINIATED ON LANDING ENG 1 OIL DEBRIS. GROUNDED - YES. REMOVED & REPLACED ODMS SENSOR PER B737-9 AMM 79-21-12. PERFORMED EEC SYSTEM TEST PER AMM 71-00-00-710-806. TEST PASSED. C/W TEST #26 AMM 71-00-00-700-802-600.
OVERHEAD "MAINT" LIGHT ILLUMINATED AT TOUCHDOWN. GROUNDED - YES. FOUND ENG #1 OIL DEBRIS STS MSG. PERFORMED B737-9 AMM TASK 79-00-00-220-801-600, ENGINE OIL SYSTEM DETAIL DIMENSIONAL CK, ENGINE #1 STARTER MAGNETIC PLUG REVEALED SMALL METAL SHAVINGS, ODMS SENSOR REVEALED SMALL METAL SHAVINGS, ALL OTHER SCREENS HAD NO DEBRIS. PARTICLES CAME FROM ENG STARTER. REMOVED AND REPLACED #1 ENG STARTER REF B737-9 AMM 80-11-01.
PWS FAIL + WX FAIL ANNUNCIATOR ILLUMINATED IN FLIGHT WX RADAR FAIL. GROUNDED - YES. OMF FAULT HISTORY LEG 0 RESULTED IN, "WXR ANTENNA DRIVE IS FAILED DETECTED BY: WXR PROCESSOR 1," FAULT 34-43101 DURING APPROACH. FAULT IS NOT CURRENTLY ACTIVE. ACCOMPLISHED B737-9 IFIM 34-41-00-810, AND A WXR OP-TEST PER B737-9 AMM 34-41-00-710-801. ALL TESTS NORMAL. ETOPS GROUND VERIFICATION GOOD. NO HISTORY IN THE LAST 90 DAYS.