N913AK
Registered owner: ALASKA AIRLINES INC, WA (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.
72 reports on file, 2021-05-21 – 2026-08-11.
Part: TRANSITION PANEL — CORRODED (ZONE 200) · corrosion level 2 · airframe 19,672 hrs · 5,918 cycles
AFT CARGO RT TRANSITION PANEL CORRODED FROM BS 727I+8 - 767. GROUNDED - YES. REMOVED CORROSION FROM THE AFT PIT RT TRANSITION PANEL AT BS 727I+8 - 767 IAW SRM 53-00-53-1A-2.2. ORIG THICKNESS IS .040" IAW SRM 53-30-53-01-2 TABLED. REMOVED .009", REMAINING THICKNESS IS .031" & IS FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2.4.A.(2) REPAIRED TRANSITION PANEL IAW SRM 53-00-53. REMOVED AND REPLACED TRANSITION PANEL IAW SRM 53-00-53.
Part: ANGLE — CORRODED (ZONE 100) · corrosion level 2 · airframe 19,672 hrs · 5,918 cycles
AFT CARGO RT LOWER FRAME BS 727L AT TRANSITION PANEL CORRODED AT NUTPLATE. GROUNDED - YES. REMOVED CORROSION FROM THE AFT PIT R/H LOWER FRAME LINER BRACKET AT STA 727L STR 25R IAW B737-9 SRM 53-00-07-1A-1.2.B. ORIG THICKNESS IS .063" IAW B737-9 SRM 53-60-07-01-1 TABLE 3. REMOVED .009", REMAINING THICKNESS IS .054" AND IS FOUND TO BE OUT OF LIMITS IAW B737-9 SRM 53-00-07-1A-1.4.A.(2). REMOVED AND REPLACED AFT CARGO R/H LOWER FRAME LINER BRACKET IAW B737-9 SRM 51-40-02, SRM 51-40-05, BOEING DWG 146A1251 REV:-.
Part: TRANSITION PANEL — CORRODED (ZONE 100) · corrosion level 2 · airframe 19,672 hrs · 5,918 cycles
AFT CARGO RT TRANSITION PANEL CORRODED FROM BS 727+4 TO STA 727I+8. GROUNDED - YES. REMOVED CORROSION FROM THE AFT PIT RT TRANSITION PANEL AT BS 727+4 - 727I+8 IAW SRM 53-00-53-1A-2.2. ORIG. THICKNESS IS .040" IAW SRM 53-30-53-01-2, TABLE 2. REMOVED .008", REMAINING THICKNESS IS .032" AND IS FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2.4.A.(2). REPAIRED TRANSITION IAW SRM 53-00-53. REMOVED AND REPLACED TRANSITION PANEL IAW SRM 53-00-53.
Part: TRANSITION PANEL — CORRODED (ZONE 100) · corrosion level 2 · airframe 19,672 hrs · 5,918 cycles
AFT CARGO LT TRANSITION PANEL CORRODED FROM STA 727+4 TO 727I+8. GROUNDED - YES. REMOVED CORROSION FROM AFT PIT L/H SIDE TRANSITION PANEL FROM BS 727+4 TO 727I+8 IAW SRM 53-00-53-1A-2, ORIGINAL MATERIAL WAS .040 IAW SRM 53-00-53-01-2, 100% MATERIAL LOSS FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2, REPAIRED LT TRANSITION PANEL FROM STA 727H TO 727I+8 IAW SRM 53-00-53-2R-5.
Part: TRANSITION PANEL — CORRODED (ZONE 100) · corrosion level 2 · airframe 19,672 hrs · 5,918 cycles
AFT CARGO LT TRANSITION PANEL CORRODED FROM BS 727I+8 TO 847. GROUNDED - YES. REMOVED CORROSION FROM AFT PIT LT SIDE TRANSITION PANEL FROM BS 727I+8 - 847 IAW SRM 53-00-53-1A-2, ORIGINAL MATERIAL WAS .040 IAW SRM 53-00-53-01-2, REMOVED .009 REMAINING .031 FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2, REPAIRED LT TRANISION PANEL FROM BS 727I+8 TO 847 IAW SRM 53-00-53-2R-5.
Part: SUPPORT ANGLE — CORRODED (ZONE 100) · corrosion level 2 · airframe 19,672 hrs · 5,918 cycles
FWD CARGO AFT BULKHEAD LOWER SUPPORT HAS CORROSION. GROUNDED - YES. UPON FURTHER EVAL OF FWD PIT LOWER BULKHEAD SUPPORT FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS GIVEN IN BOEING B737-9 SRM. REMOVED AND REPLACED FWD CARGO LOWER BULKHEAD SUPPORT IAW SRM 51-40-02, SRM 51-40-05, DWG 143A9481 REV:-R
Earlier reports · 2021–2025 · 66 reports
2025
Part: BATTERY PACK — NO TEST (ZONE 200) · airframe 16,839 hrs · 5,050 cycles
IN REFERENCE TASK CARD 33-055-00, EMERGENCY LIGHTS BATTERY PACK M1673 FAILED CAPACITY FUNCTIONAL CHECK. GROUNDED - YES. M1673 FAILED RETEST PER TASK CARD. REMOVED AND REPLACED AND RESTED EMERGENCY LIGHTS BATTERY PACK M1673 PER AMM 33-51-06-960-802. INSTALLED AND REMOVED 3 MIG-51A TAGS.
2024
Part: LIGHT — DAMAGED (ZONE 200) · airframe 12,879 hrs · 3,901 cycles
FLOOR STRIP REFLECTIVE LIGHTING AT ROW 1AC BROKEN AND TRIP HAZARD. GROUNDED - YES. REMOVED AND REPLACED BROKEN PHOTOLUMINESCENT STRIP IAW B737 AMM 33-51-15-960-801.
Part: MODULE — FAULTY (E/E SHELF E1-4) · airframe 11,150 hrs · 3,408 cycles
ENROUTE WITH CENTER PUMP, LOW PRESSURE LIGHT ILLUMINATION THE FIRE WARNING LIGHT ALSO ILLUMINATED. WITH CENTER PUMPS OFF, THE FIRE WARNING LIGHT EXTINGUISHED. NO OTHER ASSOCIATED FIRE LIGHTS ILLUMINATED. ON ENGINE SHUTDOWN AT GATE, FIRE WARNING LIGHT CAME ON AGAIN WITH MASTER CAUTION. NO OTHER FIRE LIGHTS ILLUMINATED. DID NOT CYCLE CENTER PUMPS ENROUTE. GROUNDED - YES. T/S & FOUND HISTORY IN COMPARTMENT OVERHEAT DETECTION CONTROL UNIT INDICATING MSG26-F0716 AN INTERMDIENT OPEN - BITE TEST OF DETECTION CONTROL UNIT PASSED. KEEL BEAM OVERHEAT DETECTOR CURRENTLY FLUXUATING BETWEEN 24 & 38 OHMS CONTINUALLY. SUSPECT LOWER ANTI-COLLISION LITE ASSY & PANELS 192K & 193B TO GAIN ACCESS. PANEL 193D PARTIALLY REMOVED. CONTINUED TO FULLY REMOVE PANEL 193D. INSPECTED AFT KEEL BEAM DETECTION LOOP & FOUND NO DEFECTS, ALL CONNECTIONS TIGHT, SECURED, & SAFETIED. ISOLATED CAUSE OF ERRATIC READINGS TO LENGTH OF WIRE BETWEEN D848 & PRESSURE SEAL IMMEDIATELY FWD. DISCONNECTED D848 FROM M272. LWR BEACON LIGHT CB RECONNECTED D848 REF AMM 26-18-02. RESISTANCE READINGS IN RANGE AFTER THAT.
2023
Part: MODULATING VALVE — FAULTY (#2 ENGINE) · airframe 9,518 hrs · 2,954 cycles
MAINT LIGHT ILLUMINATED. STATUS BLEED FAMV R. GROUNDED - YES. OPENED #2 FANCOWLS, T/R. REF. CHAPTER 5-07-01 PG3, TABLE 3, ITEM 7. REPLACED RIGHT FAN AIR MODULATING VALVE, LRU/LEAK CHECKS OK. REF. MM 36-12-03-400-801. CONFIRMED MAINT. LIGHT IS OFF. ALT. DEACTIVATION REVERSED. CLOSED #2 FAN COWLS, T/R. CONFIRMED LATCHED.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 9,501 hrs · 2,950 cycles
ON LANDING ROLL, MAINT LIGHT ILLUMINATED. GROUNDED - YES. REF FIM TASK 31-65-00-810-835, FOUND BLEED FAMV R STATUS MESSAGE, MAINT LIGHT STILL ON 39042 11/05/2023VERIFIED LATCHED FAULT BLEED FAMV R MESSAGE 36-12021, ACCOMPLISHED IFIM TASK 36-12-00-810-802 B(3) PNEUMATIC ENGINE #2 TEST PASS PER TASK 36-00-00-730-801, MAINT LIGHT IS NOT ILLUMINATED, SEAMC WIL NOTIFIED.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 9,479 hrs · 2,946 cycles
MAINT LIGHT ON OVERHEAD. GROUNDED - YES. VERIFIED FAULT STATUS BLEED FAMV R. MSSG 36-12021. ACCOMP INITIAL EVALUATION USING BOTH TEST LRU REPLACEMENT TEST, TEST PASS REF AMM 36-12-00-720-801 & PNEUMATIC ENGINE #2 SYSTEM TEST, TEST PASS AFTER TEST FAULT CLEARED IT SELF. REF AMM 36-00-00-730-801 & IFIM 36-12-00-810-802.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 9,392 hrs · 2,922 cycles
DURING ENG WASH FOR # 2 ENGINE, SMT MESSAGE DURING FIRST ENG RUN "ENGINE 2 MANIFOLD DUCT PRESSURE SENSOR 1 SIGNAL IS OUT OF RANGE". GROUNDED - YES. PERFORMED IFIM TASK 36-21-00-810-804. VERIFIED IASC P/N IS 51090322-002. PER IFIM SUSPECT NUISANCE FAULT. MESSAGE CLEARED WITH LRU- REPLACEMENT TEST.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 9,347 hrs · 2,909 cycles
FMC DISAGREE MESSAGE ON MAP DISPLAY. GROUNDED - YES. PERFORMED FMC DISAGREE QRH CHECKLIST AND FMC DISAGREE MESSAGE NO LONGER DISPLAYED.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 9,194 hrs · 2,869 cycles
FMC DISAGREE ON GROUND. GROUNDED - YES. RAN QRH, LIGHT WENT AWAY.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 9,166 hrs · 2,859 cycles
HF #1 SHOWS FAIL / FAIL. GROUNDED - YES. RESET C/B AND PERFORMED BITE TEST REF B737-9 AMM 23-11-21 OPS CK GOOD.
Part: EEC — FAULTY (#1 ENGINE) · airframe 9,166 hrs · 2,859 cycles
CFM IS REPORTING A POTENTIAL PROBLEM WITH #1 ENGINE EEC CHANNEL A VIBRATION ANALYSIS HEALTH MODULE, WITHIN THE EEC. GROUNDED - YES. REMOVED AND REPLACED EEC PER AMM 73-21-05. OPS CHECK GOOD.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 9,027 hrs · 2,815 cycles
"FMC DISAGREE" MESSAGE APPEARED DURING PREFLIGHT. GROUNDED - YES. PERFORMED RESET PROCEDURE PER QRH.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 9,015 hrs · 2,812 cycles
FOUND LATCHED MESSAGE IN UNSCHEDULED MAINT,BLEED PM SENSOR 1R, FAULT CODE 361 453 42MESSAGE 36-21021. GROUNDED - YES. ON DEFERRAL.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 8,966 hrs · 2,800 cycles
WHILE ACCOMPLISHING T/C 31-005-00, FOUND SMT BLEED PM SENSOR 1R MX MSG 36-21021 ENGINE 2 MANIFOLD DUCT PRESSURE SENSOR 1 SIGNAL IS OUT OF RANGE. GROUNDED - YES. ON DEFERRAL.
Part: SENSOR — FAULTY (NR 1 ENGINE FUEL) · airframe 8,852 hrs · 2,772 cycles
GE DIAGNOSTICS REPORTS #1 ENGINE (SN 603281) FUEL FILTER DELTA PRESSURE IS EXPERIENCING AN INCREASE,INDICATING A POTENTIAL FUTURE IMPENDING FUEL FILTER BYPASS. PRI1/ETOPS OPS SIGNIFICANT SYSTEM. CNR 20230912061. GROUNDED - YES. (RESOLVED ON W/O: 1968122 TASKCARD: N/R-00002 ) REMOVED AND REPLACED #1 ENGINE FUEL FILTER REF AMM 73-11-02. NO CONTAMINANTS NOTED. REMOVED AND REPLACED FUEL FILTER DIFFERENTIAL PRESSURE TRANSDUCER SENSOR REF AMM 73-11-10.
Part: SENSOR — FAULTY (#2 ENGINE) · airframe 8,612 hrs · 2,706 cycles
GE DIAGNOSTICS REPORTS #2 ENGINE (SN 603335) FUEL FILTER DELTA PRESSURE IS EXPERIENCING AN INCREASE,INDICATING A POTENTIAL FUTURE IMPENDING FUEL FILTER BYPASS. -----PRI1/ETOPS----- ETOPS SIGNIFICANT SYSTEM. URGENT CNR 20230824057. GROUNDED - YES. PULLED AND COLLARED 3 C/B'S REMOVED AND REPLACED #2 ENG FUEL FILTER CARTRIDGE REF AMM 73-11-02. NO CONTAMINATION FOUND. VARIFIED FUEL FILTER DIFF TRANSDUCER IS EFFECTIVE FOR A/C SEAMC JOE NOTIFIED.REMOVED AND REPLACED #2 ENG FUEL FILTER DIFF TRANSDUCER REF AMM 73-11-10. 3 C/B'S PUSHED BACK IN. GROUND VARIFICATION GOOD. THIS CLEARS THE TSR SEAMC NOTIFIED.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 8,120 hrs · 2,564 cycles
WHILE ACCOMPLISHING T/C 31-005-00, FOUND SMT "BLEED FAMV RVDT L"MAINT. MSG. 36-12030 "ENG-1 FAMV RVDT SIGNAL IS OUT OF RANGE". GROUNDED - YES. (RESOLVED ON W/O: 1961654 TASKCARD: N/R-00002 ) PERFORMED ELECTRICAL LRU REPLACEMENT TEST REF. AMM TASK 36-00-00-710-801, ALL TEST PASSED. NO LATCHED MESSAGES AT THIS TIME. THIS CLEARS PLT.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 7,757 hrs · 2,472 cycles
WHILE ACCOMPLISHING T/C 31-005-00 FOUND SMT "BLEED PM SENSOR 1L ENG 1". MAINT MSG 36-21020 "MANIFOLD DUCT PRESSURE SENSOR SIGNAL OUT OF RANGE". GROUNDED - YES. ON DEFERRAL.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 7,448 hrs · 2,365 cycles
FMC DISAGREE ON THE GROUND, QRH PROCEDURE ACCOMPLISHED WITH SATISFACTORY RESULT. GROUNDED - YES. PERFORMED B737-9 IFIM 34-61-00-810-918, NO FAULT. PERFORMED GOOD OPERATIONAL TEST. REF B737-9 AMM 34-61-00-710-810.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 7,286 hrs · 2,317 cycles
ENROUTE AT 350, BOTH FMC'S FAILED FOR APPROXIMATELY 2 MINUTES. VTK ON BOTH ND'S LNAV/ VNAV DISENGAGE. BOTH FMC'S RECOVERED AND WORKED NORMALLY FOR REMAINDER OF FLIGHT. GROUNDED - YES. ACCOMPLISHED B737-9 IFIM 34-64-00. RESET BOTH FMC COMPUTERS. BOTH FMC COMPUTERS OPS CHECK NORMAL.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 7,259 hrs · 2,311 cycles
FMC DISAGREE ON POWER UP. GROUNDED - YES. PERFORMED B737-9 IFIM 34-61-00-810-918, FMC DISAGREE MSG DID NOT RETURN, NO FAULTS NOTED AT THIS TIME.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 6,801 hrs · 2,185 cycles
REFUEL INDICATION, ALL 3 IND SHOWS (ARINC) WITH BATTERY SWITCH IN OFF POSITION. GROUNDED - YES. RESEATED PIN XA3 WIRE # W6572-6001-20 ON TB3044, OPS NML REF B737-9 WDM 28-41-11-2 PG2.
2022
Part: FMC — FAULTED (RIGHT) · airframe 6,048 hrs · 1,967 cycles
RIGHT FMC FAILURE RAN QRH, OPS RESTORED TO NORMAL. GROUNDED - YES. CHECKED LAST FLT FAULTS NO FAULTS FOR EITHER FMC. ACCOMP FMC SENSOR STATUS SHOWS OK FOR BOTH FMC REF B737-9 AMM 34-61-00-710-002.
Part: WARNING MESSAGE — FALSE INDICATION (R2 CKPT WINDOW) · airframe 5,898 hrs · 1,914 cycles
R2 WINDSHIELD OVERHEAT GROUNDED - YES. RESET PER ASA CHECKLIST, OPS NORMAL.
Part: GAUGE — UNKNOWN (UNKNOWN) · airframe 5,865 hrs · 1,899 cycles
FUELER REPORTS FUEL GAUGES IN WING DIGITS UNREADABLE. GROUNDED - YES. PERFORMED OPS CK OF REFUEL QTY INDICATORS PER B737-9 AMM 28-41-61. OPS CK NORMAL.
Part: TAT PROBE — FAULTED · airframe 5,552 hrs · 1,804 cycles
CLIMBING THROUGH 16000 FT VNAV DISCONNECTED. TAT TEMP WAS CLIMBING TO 99 DEGREE AND TO 15 DEGREE CAUSING AT LIM ANNUNCIATOR INTERMITENTLY. ALL ASSOCIATED SYSTEMS WORKED INTERMITENTLY ON RETURN TO SEA. NO MASTER CAUTION OBSERVED. LOSS OF AUTHTHROTTLES VNAV FCC1. GROUNDED - YES. AIR TURNBACK - REPLACED TOTAL AIR TEMPERATURE PROBE (TAT). PERFORMED GOOD INSTALLATION TEST. REF B737-9 AMM 34-21-06/401.
Part: MODULATING VALVE — FAULTY (#1 ENGINE) · airframe 5,314 hrs · 1,731 cycles
ON LANDING THE MAINT LIGHT ILLUMINATED ON THE OVERHEAD PANEL. GROUNDED - YES. REMOVED THE #1 ENGINE FAMV PER B737-9 AMM 36-12-03-000-801. INSTALLED NEW FAMV. REF AMM 36-12-03-400-801.
Part: MODULATING VALVE — FAULT MESSAGE (UNKNOWN) · airframe 5,293 hrs · 1,725 cycles
"MAINT" LIGHT ON OVERHEAD PANEL CAME ON DURING LANDING ROLLOUT. GROUNDED - YES. A/C GIVING FAULT BLEED FAMV LEFT MAINT STATUS MESSAGE, C/O B737-9 IFIM TASK 36-12-00-810-801, C/O GROUND TEST FAMV PNEUMATIC ENGINE ON IAW B737-9 AMM 36-00-00-730-801, GROUND TEST PASSED, NO FAULT'S FOUND, FAULT CLEARED FROM MAINT STATUS PAGE BY TEST, A/C OK FOR SERVICE.
Part: INDICATOR — FAILED (RIGHT WING) · airframe 4,891 hrs · 1,608 cycles
REFUEL PANEL FUEL QTY INDICATORS SHOWING ARINC FAULT WITH NO QTY INDICATION. GROUNDED - YES. REMOVD/INSTALLED NEW FQIS UNIT. REF B737-9 AMM 28-41-81-401.
Part: MODULATING VALVE — FAULTY (#2 ENGINE) · airframe 4,866 hrs · 1,599 cycles
REF RECENT HISTORY ON MAINTENNACE LIGHT, AFT OVERHEAD AND THE CORRELATED MAINTENANCE MESSAGE 'R FAMV. GROUNDED - YES. REMOVED AND REPLACED H/H FAMV REF. B737-9 AMM 36-12-03, OPS CK GOOD.
Part: WARNING LIGHT — FALSE ACTIVATION · airframe 4,860 hrs · 1,597 cycles
MAINT LIGHT ON AFT OVERHEAD PANEL ILLUMINATED ON LANDING. GROUNDED - YES. FOUND CODE BLEED FAMVR MESSAGE ON STATUS PAGE 36-12021, PERFORMED PNEUMATIC ENGINE ON SYSTEM TEST, TEST PASSED, MESSAGE UNLATCH B737-9 IFIM TASK 36-12-00-810-802.
Part: MODULATING VALVE — WARNING LIGHT (UNKNOWN) · airframe 4,849 hrs · 1,595 cycles
AFTER LANDING MAINT LIGHT ON OVERHEAD PANNEL ILLUMINATED. GROUNDED - YES. MAINT MSG 36-12021 FOUND ON INBOUND FLIGHT DECK EFFECT STATUS MSG BLEED FAMU. C/W MAINTENANCE MESSAGES B737-9 FIM 36-12021 FAN AIR MODULATING VALVE. OPS CHECKS GOOD IAW B737-9 AMM 36-00-00.
Part: CONTROL PANEL — FAILED (COCKPIT) · airframe 4,812 hrs · 1,584 cycles
MCP ALTITUDE WINDOW HAS MULTIPLE WHITE DOTS MAKING SELECTED ALTITUDE DIFFICULT TO READ. GROUNDED - YES. REMOVED/ INSTALLED NEW MCP REF B737-9 AMM 22-11-34/401.
Part: SEAL — LEAKING (#2 ENGINE) · airframe 4,806 hrs · 1,582 cycles
#2 ENG DRIVEN PUMP DRIVE PAD LEAKING OIL BEYOND LIMITS (REF ASA TSR 7127748). GROUNDED - YES. REPLACED #2 ENG HYD PUMP AGB SEALS REF B737-9 AMM 72-64-01-400-801-G00
Part: SENSOR — FAULTY (#2 ENGINE) · airframe 4,806 hrs · 1,582 cycles
#2 ENGINE OIL TREND DATA SHOWS OIL CONSUMPTION RATE IS INCREASING AGAIN. ENGINE POWER RUN REQUIRED. GROUNDED - YES. REMOVED AND REPLACED #2 ENGINE OIL LEVEL SENSOR REF B737-9 AMM TASK 79-31-01-400-801-G00.
Part: OVERHEAT — WARNING LIGHT (UNKNOWN) · airframe 4,411 hrs · 1,458 cycles
THE RIGHT FWD (R1) WINDOW OVERHEAT LIGHT ILLUMINATED ON THE GROUND IN SEATTLE. RAN QRH PROCEDURE, LIGHT EXTINGUISHED AND STAYED EXTINGUISHED. GROUNDED - YES. PERFORMED WINDOW HEAT CONTROL UNIT SYSTEM TEST AND FOUND NORMAL. NO FAULT FOUND REF B737-9 AMM 30-41-11-710-801.
Part: CONTROL PANEL — INTERMITTENT (UNKNOWN) · airframe 4,384 hrs · 1,448 cycles
MCP BLANK. GROUNDED - YES. PERFORMED B737-9 IFIM 22-10-00-810-821MCP RETURNED TO NORMAL.
Part: PACKING — WORN (#2 ENG OIL TANK) · airframe 4,251 hrs · 1,410 cycles
#2 ENGINE SHOWS EVIDENCE OF EXTERNAL OIL LEAKAGE WITH OIL ON COWLING. GROUNDED - YES. PERFORMED BOTH EXTERNAL SURFACES AND OIL SYSTEM INSPECTION REF B737-9 AMM 79-00-00-210-801-G00 AND 79-00-00-210-802-G00. USING A BLACKLIGHT, FOUND #2 ENGINE OIL TANK SOAKED IN OIL. REPLACED OIL TANK FILLER CAP O-RING REF AMM TASK 79-11-03/401. LEAK CHECK GOOD. ALL COWLING THROROUGHLY CLEANED OF RESIDUAL OIL AS WELL AS SURROUNDING COMPONENTS.
Part: BLADE — NICKED (UNKNOWN) · airframe 4,118 hrs · 1,367 cycles
#2 ENGINE, NICK FOUND ON LEADING EDGE OF FAN BLADE. GROUNDED - YES. PERFORMED FAN BLADE INSPECTION ON THE ENG #2, BLADE #3 DEPTH MEASUREMENT 0.0225 IN. PERMITTED UP TO 0.0137 IN PER B737-9 AMM 72-22-02-200-801-G00. THE NICK IS OUT OF LIMIT. STEP F(H). PERFORM FAN BLADE METAL LEADING EDGE BLENDING UP TO STEP G(6), PER AMM 72-22-02-900-805-G00. ACCOMPLISH FLO PEN ALTERNATE INSP PER STEP (7)(B)2 NO DISCONTINUITIES NOTED. THIS COMPLETES AMM 72-22-02-900-805-G00. TAP TEST STEP (9) WAS ACCOMP PER ASA PWRPL-72EA-24488. NO DISCONTINUITIES NOTED. NOTE: COMPLETED BLEND DEPTH MEASURED @ .077" MAX ALLOWED 0.120". COMPLETED ENGINE F.O.D. AND BIRDSTRIKE INSPECTION REF AMM 71-00-00-200-802-F00. IDLE LEAK CHECK COMPLETED, NO LEAKS DETECTED.
Part: SENSOR — FAULTY (FLIGHT DECK) · airframe 4,032 hrs · 1,340 cycles
FO #2 WINDOW HEATER INOP. GROUNDED - YES. WHCU BITE FOR WINDOW #2 RIGHT LAST LEG INDICATES SENSOR #1 FAULT. REMOVED AND REPLACED FO #2 WNDOW REF B737-9 AMM 56-12-11. OPS CHECK GOOD.
Part: HEATER — FAILED · airframe 3,865 hrs · 1,295 cycles
RH SIDE #2 HEAT INOP. GROUNDED - YES. ON DEFERRAL. RH SIDE #2 HEAT INOP. GROUNDED - YES. ACCOMPLISHED WHCU TEST REF B737-9 AMM 30-41-11. NO FAULTS FOUND. ACCOMPLISHED WINDOW HEAT SYSTEM OP CHK TWICE TO CHECK BOTH WINDOW TEMP SENSORS REF AMM 30-41-00. NO FAULTS FOUND. GROUND VERIFICATION CHK SUCCESSFUL.
Part: FMC — FAULTED (UNKNOWN) · airframe 3,842 hrs · 1,288 cycles
MOMENTARY LEFT FMC FAIL, VTK CAPTAIN'S ND. RAN QRH, FMC OPS RESTORED AFTER 30 SECONDS, (BEFORE MOVING FMC SOURCE SWITCH). GROUNDED - YES. NO HISTORY- LEFT FMC FUNCTIONS NORMAL REF B737-9 AMM 34-61-0, OK FOR SERVICE.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 3,674 hrs · 1,245 cycles
MODE CONTROL PANEL INOP. NO LIGHTS SHOWN. GROUNDED - YES. RESET POWER TO MODE CONTROL PANEL REF B737-9 FIM 22-10-00.
Part: CIRCUIT BREAKER — FAULTED (UNKNOWN) · airframe 3,475 hrs · 1,198 cycles
MCP BLANK. GROUNDED - YES. PERFORMED B737-9 IFIM 22-10-00-810-821. RESET CB P18-1, D5 AND P6-2, C3. OPS CHECK NORMAL. MCP INSTALLATION TEST PASS REF B737-9 AMM 22-11-34-740-801. NO DEFECTS NOTED AT THIS TIME.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 3,406 hrs · 1,180 cycles
MCP PANEL IS BLANK. GROUNDED - YES. FOLLOWED B737-9 IFIM TASK 22-10-00-810-821. RESET C/B MCP DC1 AND MCP DC2. OPS TEST MCP PERFORMED ALL NML.
Part: COMPUTER — ABNORMAL (UNKNOWN) · airframe 3,262 hrs · 1,140 cycles
WHILE LEVEL @ FL380 HAD COMPLETE LOSS OF LEFT FMC. GROUNDED - YES. VERIFIED NO PROMPT FOR LEFT FMC, NO HISTORY, RESET LEFT AND RIGHT FMC'S. SYSTEM OPS NORMAL REF B737-9 AMM 34-61-0
Part: COVER — MISSING (OVER WING EXIT) · airframe 3,005 hrs · 1,062 cycles
EXIT LIGHT COVER BY 16A MISSING. GROUNDED - YES. INSTALLED "NEW" EXIT LIGHT COVER BY 16A.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 2,668 hrs · 969 cycles
"FMC DISAGREE" SHOWING ON SCRATCHPAD. GROUNDED - YES. FMC SENSOR DATA PAGE SHOWED 'MISMATCH' AND RIGHT FMC 'SYNC ERR'. ACCOMP B737-9 IFIM 34-61-00-810-918 SYS RESET AND OPS CKS NML PER SAME. GROUND VERIFICATION SUCCESSFUL.
Part: CONTROL PANEL — INOPERATIVE (FLIGHT COMPARTME) · airframe 2,596 hrs · 942 cycles
LNAV BUTTON ON MCP DOES NOT ILLUMINATE FULLY. GROUNDED - YES. REPLACED DFCS MODE CONTROL PANEL PER B737-9 AMM 22-11-34 PG# 401. PERFORMED LLM MCP LRU REPLACEMENT TEST AND LAND VERIFY TEST, BOTH TESTS PASSED. ETOPS GROUND VERIFICATION SUCCESSFUL.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 2,555 hrs · 928 cycles
PRIOR TO PUSH AMBER MAINT LIGHT ILLUM. GROUNDED - YES. FOUND APU STATUS MSG WITH ASSOCIATED MAINT MSG 49-94304. PERFORMED B737-9 FIM TASK 49-90-00-810-811 MAINT MSG NO LONGER PRESENT. MAINT LIGHT EXTINGUISHED.
Part: SENSOR — FAILED (APU) · airframe 2,549 hrs · 927 cycles
APU OIL LEVEL SHOWS CENSOR CIRCUIT FAILURE GROUNDED - YES. REMOVED AND REPLACED THE APU OIL LEVEL SENSOR. REF B737-9 AMM 49-94-11. LEAK CHECK GOOD. NO FAULTS NOTED. OPS CHECK GOOD.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 2,527 hrs · 921 cycles
#2 ENG SMT SHOWS FAULT ENG 2 EEC 1. GROUNDED - YES. FOUND COORELATED MAINT MESSAGE 73-43984 ELECTRONIC OVERSPEED THRUST CONTROL MALFUNCTION ACCOMODATION TEST FAILED, ENG 2 EEC CHANNEL B, THIS LEG AND LEG 2. FAULT NOT ACTIVE. ACCOMPLISHED B737-9 IFIM TASK G73-20-00-810-928 AND TEST 32 TWICE. FAULT MESSAGE NO LONGER SHOWS. REPAIR CONFIRMATION SUCCESSFUL.
Part: VALVE — NONE (#2 ENGINE) · airframe 2,527 hrs · 921 cycles
WHILE ACCOMPLISHING HPSOV INOPERATIVE LOCK OUT PROCEDURE, HPSOV LOCK OUT BOLT HELICOIL CAME OUT WHEN THE LOCKOUT BOLT WAS LOOSENED. GROUNDED - YES. REOVED AND REPLACED #1 ENG HPSOV REF B737-9 AMM 36-11-07. LEAK AND OPS CHECK GOOD.
2021
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 2,106 hrs · 803 cycles
MAINT LIGHT CAME ON AFTER LANDING IN HNL. GROUNDED - YES. INTERROGATE FAULTS FMC HAVE TANK CODE 34-60191 WICH ACTIVE FAULT. ACCOMPLISHED FMC RESET PER B737-9 IFIM 34-61-00-810-838 & SPECIAL ACTION RESET PER IFIM 31-98-00-810-804. LATCHED MEEAGEN FDE RESET. NORMAL INDICATION RESTORED. A/C OKAY FOR SERVICE.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 2,084 hrs · 794 cycles
PWS FAIL AND WXR FAIL WARNING CAME ON DURING FLIGHT. GROUNDED - YES. FOUNDED WXR TEST SW BUTTON PUSHED IN. REPOSITIONED SW AND PERFORMED WXR OPERATIONAL TEST REF B737-9 AMM 34-41-00-710-801. TEST OK. NO FAULTS OR FLAGS DISPLAYED.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 2,070 hrs · 790 cycles
AUTO THOTTLE DISCONNECTED, INFLIGHT (TWICE), WAS ABLE TO RESTORE. GROUNDED - YES. ACCOMPLISHED AUTOTHROTTLE SYSTEM OPERATIONAL TEST PER B737-9 AMM 22-31-00-710-801, TEST PASSED, NO FAULTS SHOW ON THE CDU, NO STATUS MSG, NO MAINT. SYS OP'S NORMAL.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 1,744 hrs · 673 cycles
SATCOM LOCK UP PROCEDURE. GROUNDED - YES. ACCOMPLISHED RESET PROCEDURE AS PER QRH. SATCOM RESTORED NORMAL.
Part: LENS — MISSING (LEFT EMERGENCY E) · airframe 1,635 hrs · 637 cycles
LOWER EXIT SIGN 16A INOP. GROUNDED - YES. LOWER EXIT SIGN AT SEAT 16A IS MISSING LIGHT COVER. INSTALLED NEW LIGHT COVER. OPS NORMAL.
Part: RADIO — FAULTED (NR 1 HF) · airframe 1,347 hrs · 559 cycles
#1 HF RADIO IS UREADABLE IN FLIGHT. GROUNDED - YES. PERFORMED HF COMM OSP TEST . TEST NORMAL. MADE READABLE CALL TO SFO. TWICE FROM HF1 AND HF2. IAW 53-11-00-730-801. A/C OK FOR SERVICE. SEAMC ARNIE NOTIFIED.
Part: FMC — FAULTED · airframe 1,319 hrs · 547 cycles
FMC DISAGREE MESSAGE AFTER IRS ALIGNMENT. GROUNDED - YES. ACCOMPLISHED B737-9 IFIM TASK 347-61-00-810-918. OPS CK GOOD.
Part: WARNING MESSAGE — FALSE ACTIVATION (NR 2 HF SYSTEM) · airframe 1,156 hrs · 496 cycles
HF #2 FAIL INDICATION. GROUNDED - YES. ACCOMPLISHED B737-9 AMM TASK 23-11-00-730-801. HF 2 OPS NORMAL.
Part: IDG — LEAKING (NR 1 ENGINE) · airframe 1,094 hrs · 482 cycles
FOLLOW-UP TO #1 ENGINE IDG FREQUENT SERVICING, ACCOMPLISH IDG STATIC LEAK CHECK REF B737-9 AMM 24-11-00-700-801. GROUNDED - YES. ACCOMPLISHED STATIC LK CK REF B737-9 AMM 24-11-00. MONITORED PRESSURE FOR 45 MINUTES WITH NO DROP. WITH STATIC CHECK PASS, PERFORMED ENGINE RUN. AT 8 MINUTES, IDG BEGAN LEAKING FROM DRAIN LINE. REMOVED IDG AND CONFIRMED OIL LEAKING FROM IDG SIDE SHAFT SEAL (BAD IDG). REPLACED IDG REF AMM 24-11-11. LK AND OPS CKS GOOD. ETOPS GROUND VERIFICATION SUCCESSFUL.
Part: WARNING LIGHT — FALSE ACTIVATION (WINDOW HEAT) · airframe 949 hrs · 433 cycles
R SIDE WINDOW HEAT OVERHEAT LIGHT ILLUMINATED ON TAXI OUT. GROUNDED - YES. TURNED OFF FOR 4 MINUTES, TURNED ON, LIGHT DIDNT RETURN.
Part: PROCESSING UNIT — FAILED (WEATHER RADAR) · airframe 821 hrs · 374 cycles
WEATHER RADAR WILL NOT PAINT THUNDERSTORMS BEYOND 80 MILES IN BOTH AUTO AND MANUAL. GROUNDED - YES. REPLACED WEATHER RADAR PROCESSOR REF B737-9 IFIM 34-41-00-801-807 AND B737-9 AMM 34-41-42/401 ALL TEST PASS.
Part: FMC — FALSE INDICATION (LEFT) · airframe 530 hrs · 243 cycles
LEFT FMC FAIL. GROUNDED - YES. PERFORMED B737-9 IFIM 34-61-00-810-918 AND B737-9 AMM 34-61-00-710-801 NO FAULTS FOUND OPS CHECK NORMAL.
Part: FMC — FAULTED · airframe 447 hrs · 204 cycles
FMC DISAGREE. GROUNDED - YES. ACCOMPLISHED RESET PROCEDURE PER CHECKLIST, RESOLVED.