# Service difficulty reports: N402AS

A list on [N402AS](https://openairdocs.org/aircraft/N402AS.md).

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first.

Page 1 of 7 · 333 reports

- [SDR ASAA2026061766829](https://openairdocs.org/sdr/ASAA2026061766829.md): Lamp · inoperative · Jun 17, 2026 · N402AS · Boeing 737990ER · Emergency Lighting
  > EMERGENCY LIGHT (EXTERIOR) NEXT TO R1 DOOR NOT ILLUMINATED WHILE ACCOMPLISHING T/C. GROUNDED - YES. RELAMPED EXTERIOR R1 EMERGENCY LIGHT IAW AMM 33-51-04 OPS CHECK GOOD.
- [SDR ASAA2026030364712](https://openairdocs.org/sdr/ASAA2026030364712.md): Door · binding · Mar 3, 2026 · N402AS · Boeing 737990ER · Passenger/Crew Doors
  > FA REPORTS L1 DOOR IS DIFFICULT TO CLOSE. GROUNDED - YES. CLOSED L1 DOOR WITH INTERIOR HANDLE IAW AMM 52-11-00 NO DISCREPANCY NOTED SYSTEM OP CKS NORMAL.
- [SDR ASAA2026020264103](https://openairdocs.org/sdr/ASAA2026020264103.md): Battery Pack · inoperative · Feb 2, 2026 · N402AS · Boeing 737990ER · Emergency Lighting
  > DURING T/C 78233001, FOUND R2 & L2 EMERGENCY LIGHTS INOPERATIVE. GROUNDED - YES. R & R THE EMERGENCY LIGHT R2 & L2 BATTERY PACK IAW AMM 33-51-06/401. OPS CHECKED REQUIRED. REPLACED THE LAMPS R2 SLIDE/OVERWING LIGHT IAW AMM 33-51-04. OPS TESTED GOOD.
- [SDR ASAA2026011663794](https://openairdocs.org/sdr/ASAA2026011663794.md): Unknown · odor · Jan 16, 2026 · N402AS · Boeing 737990ER · Air Distribution System
  > STINKY SOCK ODOR IN FLIGHT DECK - ODOR IS STRONGER ON THE GROUND. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2025070359204](https://openairdocs.org/sdr/ASAA2025070359204.md): Cover · detached · Jul 3, 2025 · N402AS · Boeing 737990ER · Emergency Lighting
  > LIGHT COVER ON DIVIDER WALL BY AFT LAV LEFT SIDE KEEPS FALLING OFF. GROUNDED - YES. REPLACED EMERGENCY LIGHT RECEPTACLE. OPS CK OK.
- [SDR ASAA2025011055233](https://openairdocs.org/sdr/ASAA2025011055233.md): Cover · missing · Jan 10, 2025 · N402AS · Boeing 737990ER · Emergency Lighting
  > FA ADVISE THE EMERGENCY LIGHT AFT OF RAFT 4 IS MISSING COVER. GROUNDED - YES. REPLACED MISSING EMERGENCY LIGHT LENS COVER AS REQUIRED.
- [SDR ASAA2024121354575](https://openairdocs.org/sdr/ASAA2024121354575.md): Power Supply · inoperative · Dec 13, 2024 · N402AS · Boeing 737990ER · Emergency Lighting
  > BOTH EMERGENCY LIGHTS OVER LH OVER WING EXIT HATCHES INOP. GROUNDED - YES. M1694 BATTERY PACK BAD, REMOVED AND REPLACED M1694 IAW AMM 33-51-06-960-805. ALTERNATE DEACTIVATION PROCEDURES USED IAW MPM CH5, 5-07-01, TABLE 3. OPS CHECK GOOD.
- [SDR ASAA2024103053512](https://openairdocs.org/sdr/ASAA2024103053512.md): Light · loose · Oct 30, 2024 · N402AS · Boeing 737990ER · Emergency Lighting
  > ROW 12 PHOTO ILLUMINATION STRIP HAS COME LOOSE. GROUNDED - YES. REMOVED AND REPLACED FLOOR TRACK PROXIMITY LIGHT NEAR ROW 12, REF AMM 33-51-15-960-801.
- [SDR ASAA2024022248054](https://openairdocs.org/sdr/ASAA2024022248054.md): Power Supply · malfunctioned · Feb 22, 2024 · N402AS · Boeing 737990ER · Emergency Lighting
  > EMERGENCY EXIT LIGHTS OVERWING EXIT ROW ARE CYCLING ON AND OFF. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHT POWER SUPPLY M1694 IAW AMM 33-51-06-960-806. OPS CKS GOOD. ALTERNATE DEACTIVATION PROCEDURES APPLIED AND REVERSED IAW MPM 5-07-01 TABLE 3 ITEM
- [SDR ASAA2024022047968](https://openairdocs.org/sdr/ASAA2024022047968.md): Light · faulted · Feb 20, 2024 · N402AS · Boeing 737990ER · Emergency Lighting
  > WITH ALL DOORS CLOSED EMERGENCY CEILING LIGHTS AT A/C LEFT ROW 15 ILLUMINATED AND FLUCTUATED ON AND OFF - EMERGENCY WINDOW LIGHTS AT ROW 16A AND 17A DID THE SAME. GROUNDED - YES. RESET EMERGENCY LIGHTS BY TURNING ON AND OFF BOTH FWD FLT DECK SWITCH AND AFT GAL
- [SDR ASAA2024012447751](https://openairdocs.org/sdr/ASAA2024012447751.md): Crease Beam · corroded · Jan 24, 2024 · N402AS · Boeing 737990ER · Fuselage Main, Structure
  > UPON CLEAN FOR PREP TO CLOSE CABIN FLOORS FOUND R/H SIDE CREASE BEAM INNER CHORD CORRODED STA 787 TO 887. GROUNDED - YES. REPAIRED CREASE BEAM INNER CHORD IAW EA 900ER-53EA-26548W=1" O=.050" R=.038" L=.3" D=.012".
- [SDR ASAA2024011247583](https://openairdocs.org/sdr/ASAA2024011247583.md): Baffle · cracked · Jan 12, 2024 · N402AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > BAFFLE CRACKED R/H 500A TO 500B. GROUNDED - YES. BAFFLE R/H 500A TO 500B REMOVED AND REPLACED IAW B737-900ER SRM 51-40-02-0G-0.
- [SDR ASAA2024013147562](https://openairdocs.org/sdr/ASAA2024013147562.md): Baffle · cracked · Jan 12, 2024 · N402AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > BAFFLE CRACKED 4/H 500C TO 500D. GROUNDED - YES. BAFFLE R/H 500C TO 500D REMOVED AND REPLACED IAW B737-900ER SRM 51-40-02-0G-0.
- [SDR ASAA2024011247561](https://openairdocs.org/sdr/ASAA2024011247561.md): Angle · cracked · Jan 12, 2024 · N402AS · Boeing 737990ER · Fuselage Main, Attach Fittings
  > BAFFLE CLIP CRACKED AFT SIDE OF 500A R/H SIDE. GROUNDED - YES. BAFFLE CLIP AFT SIDE OF 500A R/H REMOVED AND REPLACED IAW B737-900ER SRM 51-40-02-0G-0.
- [SDR ASAA2024011747345](https://openairdocs.org/sdr/ASAA2024011747345.md): Intercostal · cracked · Jan 7, 2024 · N402AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > FWD WET AREA INTERCOSTAL STA 312 TO 328 LBL 45 IS CRACKED. GROUNDED - YES. REMOVED AND REPLACED INTERCOSTAL IAW B737-900ER SRM 51-40-02-0G-0.
- [SDR ASAA2024010447733](https://openairdocs.org/sdr/ASAA2024010447733.md): Floorbeam · corroded · Jan 4, 2024 · N402AS · Boeing 737990ER · Fuselage Main, Floor Beam
  > AFT WET AREA STA 1016 FLOOR BEAM HAS SPOT OF CORROSION RBL 36. GROUNDED - YES. FOUND TO HAVE 100% MAT LOSS AT FASTENER HOLE. REPAIRED FLOOR BEAM IAW ASA EA900ER-53EA-26485W- 2 O-.150 R- 0 L- 2 D-.150.
- [SDR ASAA2024010447446](https://openairdocs.org/sdr/ASAA2024010447446.md): Web · corroded · Jan 4, 2024 · N402AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > FWD CARGO DOORWAY SILL WEB CORRODED STA-440 TO STA-490. GROUNDED - YES. DAMAGE FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-30-15-1A-1. REMOVED AND REPLACED SILL WEB IAW B737-900ER SRM 51-40-02-0G-0W 2 O.045 R.039 L 10 D.006.
- [SDR ASAA2024010447444](https://openairdocs.org/sdr/ASAA2024010447444.md): Cargo Track · cracked · Jan 4, 2024 · N402AS · Boeing 737990ER · Fuselage Main, Structure
  > AFT CARGO RBL-13.84 CARGO TIE DOWN TRACK CRACKED IN THE RADIUS AT FRAME 727I. GROUNDED - YES. CUT OUT DAMAGED SECTION AND REPAIRED CARGO TRACK IAW B737-900 53-00-53-2R-3.
- [SDR ASAA2024010447404](https://openairdocs.org/sdr/ASAA2024010447404.md): Shield · corroded · Jan 4, 2024 · N402AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > AFT CARGO FWD OF DOORWAY SHEILD PANEL CORRODED ON UPPER AND LOWER SURFACES. GROUNDED - YES. DAMAGE FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-60-15-1A-1 REMOVED AND REPLACED SHEILD PANEL IAW B737-900ER SRM 51-40-02-0G-0W 2 O.050 R.037 L 4 D.013.
- [SDR ASAA2023123047750](https://openairdocs.org/sdr/ASAA2023123047750.md): Battery · inoperative · Dec 30, 2023 · N402AS · Boeing 737990ER · Emergency Lighting
  > LEFT OVERWING EMERGENCY LIGHTS FAILED BATTERY TEST. GROUNDED - YES. REMOVED AND INSTALLED SERVICEABLE BATTERY PACKS & CHARGER S/N 249855 OPS CHECKS GOOD IAW B737-900 AMM 33-51-06-960-805, 33-51-06-960-806.
- [SDR ASAA2023123047749](https://openairdocs.org/sdr/ASAA2023123047749.md): Battery · no test · Dec 30, 2023 · N402AS · Boeing 737990ER · Emergency Lighting
  > LEFT OVERWING EMERGENCY LIGHTS FAILED BATTERY TEST. GROUNDED - YES. REMOVED AND INSTALLED SERVICEABLE BATTERY PACKS & CHARGER S/N 213871 OPS CHECKS GOOD IAW B737-900 AMM 33-51-06-960-805, 33-51-06-960-806.
- [SDR ASAA2023082044689](https://openairdocs.org/sdr/ASAA2023082044689.md): Unknown · unknown · Aug 20, 2023 · N402AS · Boeing 737990ER · Magneto/Distributor
  > WHEN STARTING PREFLIGHT, ENGINE 2 IGNITION LEFT CIRCUIT BREAKER POPPED. GROUNDED - YES. FOLLOWED C/B RESET PROCEDURE IN REF WITH B737-900 AMM 20-60-01. OPENED C/B PANEL TO INSPECT FOR ARCHING BURNS OR DEBRIS. NO ISSUES NOTED. CLOSED C/B ENGINE 2 IGNITION LEFT
- [SDR ASAA2023072744274](https://openairdocs.org/sdr/ASAA2023072744274.md): Battery Pack · inoperative · Jul 27, 2023 · N402AS · Boeing 737990ER · Emergency Lighting
  > PER T/C 78233008, FWD OVERWING EMERGENCY EXIT LT @ CENTER ISL DOESNT COME ON. GROUNDED - YES. REPLACED POWER PACK REF 33-51-06 OPS CHECKS GOOD.
- [SDR ASAA2023062843774](https://openairdocs.org/sdr/ASAA2023062843774.md): Probe · faulty · Jun 28, 2023 · N402AS · Boeing 737990ER · Engine Temperature Indicating System
  > GE DIAGNOSTICS REPORTS #2 ENGINE (SN 963291) TREND DATA SHOWS A DELTA EGT INCREASE AND EGT HOT DAY MARGIN DECREASE. EGT INDICATION ERRORS ARE SUSPECTED. CNR 20230620039PRI2. GROUNDED - YES. #2 ENG FAULT HISTORY PAGE LOGGED FAULT MSG 77-20872 FOR THE LAST 10 LE
- [SDR ASAA2023062543742](https://openairdocs.org/sdr/ASAA2023062543742.md): Unknown · unknown · Jun 25, 2023 · N402AS · Boeing 737990ER · Engine Temperature Indicating System
  > DURING T/O ROLL AT ABOUT 150KTS #2 ENG EGT EXCEEDED REDLINE. MAX TEMP OBSERVED WAS 997 AT 1000 FEET AGL. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023062543715](https://openairdocs.org/sdr/ASAA2023062543715.md): Unknown · unknown · Jun 25, 2023 · N402AS · Boeing 737990ER · Engine Temperature Indicating System
  > TECHNICAL SERVICES RECEIVED EXCEEDANCE R06 REPORT POSSIBLE EGT EXCEEDANCE ON TAKEOFF FOR #2 ENGINE. GROUNDED - YES. CONFIRMED ENG # 2 EGT TEMP EXCEEDANCE PER TASK 71-00-00-740-801-F00 EGT RED LIMIT PEAK 969.0 C RED 950.0 C FOR DURATION OF 37.2 SEC. PERFORMED I
- [SDR ASAA2023040642760](https://openairdocs.org/sdr/ASAA2023040642760.md): Modulating Valve · faulty · Apr 6, 2023 · N402AS · Boeing 737990ER · Cabin Temperature Control System
  > DURING CLIMB THE FLIGHT DECK BECAME HOTTER THAN NORMAL. WE COULD NOT GET IT UNDER CONTROL VIA NORMAL MEANS. SO WE FOLLOWED THE QRH. ONCE THE TRIM AIR WAS TURNED OFF WE REGAINED CONTROL OF THE TEMPERATURE. WE LEFT THE TRIM AIR OFF FOR THE REST OF THE FLIGHT. GR
- [SDR ASAA2023032342570](https://openairdocs.org/sdr/ASAA2023032342570.md): Pedestal · failed · Mar 23, 2023 · N402AS · Boeing 737990ER · Independent Position Determining System
  > WXR FAILED WHEN ACTIVATED. GROUNDED - YES. VERIFIED WXR TEST SHOWS ANTENNA FAIL. REF B737-900 FIM 34-43 TASK 801. REMOVED AND INSTALLED NEW WXR ANTENNA DRIVE UNIT PER B737-900 AMM 34-43-11/401, OPS NORMAL. GROUND VERIFICATION SUCCESSFUL.
- [SDR ASAA2023022642100](https://openairdocs.org/sdr/ASAA2023022642100.md): Antenna · faulty · Feb 26, 2023 · N402AS · Boeing 737990ER · Independent Position Determining System
  > IN FLIGHT, VIBRATION OCCURRED IN A TURN THAT COULD BE FELT BY OUR FEET AND SEEMED TO ORIGINATE IN FRONT OF US. WX RADAR STARTED TO ACT ERRATICALLY AND VIBRATION STOPPED WHEN WE TURNED OFF RADAR. GROUNDED - YES. REMOVED & REPLACED RADAR PEDESTAL DRIVE. REF B737
- [SDR ASAA2023022142037](https://openairdocs.org/sdr/ASAA2023022142037.md): Unknown · unknown · Feb 21, 2023 · N402AS · Boeing 737990ER · Independent Position Determining System
  > PWS FAIL ON TAKEOFF AND RADAR WHEN TURNED ON, CREATES A HEAVY LOW TONE VIBRATION FROM FORWARD OF THE INSTRUMENT PANEL. GROUNDED - YES. WEATHER RADAR SYSTEM BITE OPS NML. REF B737-900 FIM 34-43 TASK 801. WEATHER RADAR SYSTEM TEST OPS NML, REF B737-900 AMM 34-43
- [SDR ASAA2023021942004](https://openairdocs.org/sdr/ASAA2023021942004.md): Seal · worn · Feb 19, 2023 · N402AS · Boeing 737990ER · Turbine Engine Accessory Drive
  > #2 ENGINE OIL TREND DATA SHOWS OIL CONSUMPTION STILL GREATER THAN EXPECTED. GROUNDED - YES. PER TSR NOTES ACCOMP STEP 5 BORESCOPE INSP OF THE BOOSTER STAGES 3 AND 4 IAW B737-900 AMM 79-00-00-200-803-F00. NO EVIDENCE OF OIL LEAK FOUND. ACCOMP VENTS AND DRAINS
- [SDR ASAA2023020341828](https://openairdocs.org/sdr/ASAA2023020341828.md): Not Reported · not reported · Feb 3, 2023 · N402AS · Boeing 737990ER · Flight Management Computing Hardware System
  > AT CRUISE FLIGHT GOT VTK ON CPT MAP AND BOTH FMC WENT BLANK AND 10 SECONDS EVERUTHING PERFORMED TO NORMAL. GROUNDED - YES. PERFORMED FMC RESET PER B737-900 FIM 34-66 TASK 836. OPS CHECK NORMAL.
- [SDR ASAA2023012141649](https://openairdocs.org/sdr/ASAA2023012141649.md): Actuator · leaking · Jan 21, 2023 · N402AS · Boeing 737990ER · Compressor Bleed Control
  > REPORTED FUEL LEAK ON NUMBER 2 ENGINE. GROUNDED - YES. REPLACED #2 ENGINE, L/H VSV ACTUATOR REF B737-900 MM 75-31-01.
- [SDR ASAA2023010971444](https://openairdocs.org/sdr/ASAA2023010971444.md): Battery Pack · inoperative · Jan 7, 2023 · N402AS · Boeing 737990ER · Emergency Lighting
  > AFT R/H OVERWING EMERGENCY EXIT LIGHT INOP (RELAMPED WAS NO HELP). GROUNDED - YES. REMOVED AND REPLACED BATTERY PACK FOR POWER SUPPLY M1671 REF B737-900 SSM 33-51-13 PG 103 SH 2 AMD REF A, 33-51-06-960-805.
- [SDR ASAA2023010641455](https://openairdocs.org/sdr/ASAA2023010641455.md): Bushing · missing · Jan 6, 2023 · N402AS · Boeing 737990ER · Engine (Turbine/Turboprop)
  > REF LOG PAGE # 60514422 PER MAINTENANCE REQUEST - INSPECT STAGE 1 & STAGE 2 FOR MISSING BUSHING. FOUND 23 BUSHING MISSING ON THE LOWER HALF SEGMENT ON THE ACTUATION RING. ASA 77 INSP #2 ENGINE S/N # 963292. GROUNDED - YES. REMOVED #2 ENGINE S/N # 963-292, REPL
- [SDR ASAA2023010961454](https://openairdocs.org/sdr/ASAA2023010961454.md): Bushing · missing · Jan 6, 2023 · N402AS · Boeing 737990ER · Engine (Turbine/Turboprop)
  > WHILE ACCOMPLISHING ASA T/C SBCFM56-7B-72-0986-1 METALLIC BYBRID BORESCOPE FOUND NUMEROUS VSV BUSHING MISSING ON STAGE 3. FOUND 18 VSV BUSHING MISSING ON THE LOWER HALF SEGMENT. ASA 77 INSP. FOUND 20 BUSHING MISSING ON THE UPPER HALF SEGMENT ON STAGE 3. ASA I
- [SDR ASAA2023010641452](https://openairdocs.org/sdr/ASAA2023010641452.md): Hook · worn · Jan 6, 2023 · N402AS · Boeing 737990ER · Engine (Turbine/Turboprop)
  > WHILE PERFORMING ASA T/C # SBCFM56-7B-72-0986-1 NOTED THE J-HOOK TO BE WORN THROUGH FOR APPROX 2.5" AND MISSING THE TOP CUP, THEN CRACKED FOR AN ADDITIONAL 2 INCHES @ 2ND STAGE NEAR THE 9 O'CLOCK SPLIT LINE. PER THE T/C STEP. 6 A. NOTE J-HOOK CAN NOT BE WORN T
- [SDR ASAA2023010961450](https://openairdocs.org/sdr/ASAA2023010961450.md): Bushing · worn · Jan 6, 2023 · N402AS · Boeing 737990ER · Engine (Turbine/Turboprop)
  > WHILE ACCOMP ASA T/C # SBCFM56-7B-72-0986-1 ESN # 963291 #1 POSITION FOUND MAJORITY OF 3RD STG VSV DRIVE RING BUSHING WORN OUT / MISSING. GROUNDED - YES. REMOVED #1 ENGINE S/N # 963291, REPLACED WITH S/N # 890730 REF. ASA T/C # 78471000 W/O # 1933619. DEFECT T
- [SDR ASAA2022122841364](https://openairdocs.org/sdr/ASAA2022122841364.md): Valve · faulted · Dec 28, 2022 · N402AS · Boeing 737990ER · Engine Cooling System
  > REF ASA TASK CARD 78273000 FOUND ENGINE #2 FAULT MESSAGE. ENGINE 2 SHORT TIME FAULT. FAULT CODE 75-30602. THE TBV POSITION SIGNALS DISAGREE. GROUNDED - YES. REMOVED & REPLACED #2 ENG TBV PER B737-900 AMM 75-23-01.
- [SDR ASAA2022122541232](https://openairdocs.org/sdr/ASAA2022122541232.md): Hf Comm · inoperative · Dec 25, 2022 · N402AS · Boeing 737990ER · HF Communications System
  > HF2 IS INOP. GROUNDED - YES. PERFORMED HF2 BITE IAW B737-900 FIM 23-11 TASK 801. NO DEFECTS NOTED. PERFORMED HF OPS TEST IAW B737-900 AMM 23-11-00. TEST PASSED. GROUND VERIFICATION FOR ETOPS SUCCESSFUL.
- [SDR ASAA2022121541141](https://openairdocs.org/sdr/ASAA2022121541141.md): A/C Pack · false indication · Dec 15, 2022 · N402AS · Boeing 737990ER · Cabin Temperature Control System
  > CONT CABIN ZONE TEMP LT ON RECALL AFTER ENGINE START (MAINT TAXI). GROUNDED - YES. #2 PZTC BITE SHOWS FLT DECK TRIM VALVE LT ON BIT/PREV FLT. NO FAULTS ON VERIFY TEST. RESET AFTER BIT REF B737-900 AMM 21-61-00. CABIN TEMP CONT OPS CKS GOOD. REF AMM 21-61-00 NO
- [SDR ASAA2022112740983](https://openairdocs.org/sdr/ASAA2022112740983.md): Exciter · faulted · Nov 27, 2022 · N402AS · Boeing 737990ER · Exciter
  > #2 ENGINE FAILED TO START WITH THE RIGHT IGNITOR 2 FAILED ATTEMPTS. GROUNDED - YES. REMOVED AND REPLACED THE R/H IGNITER PLUG, R/H IGNITION LEAD AND EXCITER. OPS CHECK GOOD. PERFORMED TWO SUCCESSFUL ENGINE STARTS ON THE R/H IGNITION. REF AMM 74-21-01, AMM 74-
- [SDR ASAA2022111840861](https://openairdocs.org/sdr/ASAA2022111840861.md): Fmc · false indication · Nov 18, 2022 · N402AS · Boeing 737990ER · Flight Management Computing Hardware System
  > LEFT FMC FAILED DURING CRUISE WITH VTK AND MAP FLAGS ON CAPTAIN'S ND. NORMAL OPERATION RESTORED BEFORE QRH PROCEDURE. GROUNDED - YES. OPS TEST FMC. NO FAULTS FOUND. PERFORMED B737-900 FIM 34-61 TASK 836 NO FAULTS PRESENT PER FIM FAULT WAS INTERMITTENT NO ACTIO
- [SDR ASAA2022110440629](https://openairdocs.org/sdr/ASAA2022110440629.md): Warning Message · illuminated · Nov 4, 2022 · N402AS · Boeing 737990ER · Cabin Temperature Control System
  > WHILE ACCOMPLISHING BITE OF PZTC REF L/P 60409914, FOUND #1 PZTC ZONE LT HARD FAIL ON VERIFY BIT, WOULD NOT RESET. AFT CABIN TRIM VALVE HARD FAULT. GROUNDED - YES. RAN PACKS AND VERIFIED AFT ZONE TEMP RESPONDED TO TEMP CONTROL SELECTION. AIR COND ON 6 PACK OPE
- [SDR ASAA2022110440628](https://openairdocs.org/sdr/ASAA2022110440628.md): Warning Message · illuminated · Nov 4, 2022 · N402AS · Boeing 737990ER · Cabin Temperature Control System
  > CONT ZONE TEMP ON RECALL. GROUNDED - YES. ACCOMPLISHED BITE OF PZTC REF B737-900 FIM 21-62 TASK 801 #1 FAULTED ON BIT AND PREV FLT, FLT DECK TRIM VALVE, ON VERIFY GREEN GO. RE-ACCCOMPLISHED PZTC AND NO FAULTS, CONT CAB ZONE TEMP NO LONGER ILLUMINATES ON RECALL
- [SDR ASAA2022102840489](https://openairdocs.org/sdr/ASAA2022102840489.md): Fire Detector · faulted · Oct 28, 2022 · N402AS · Boeing 737990ER · Fire Detection
  > MAINTENANCE CONTROL/TECH SERVICES REQUEST: FOLLOW UP TO HISTORY OF #1 ENGINE B FIRE LOOP FAULTING. GROUNDED - YES. COMPLIED WITH ALL TSR STEPS. (STEP 1) ACCOMPLISHED B737-900 FIM 26-10 TASK 805. UPPER FAN (M1757) = 5.88K, LWR FAN (M1758) = 3.84K, RT CORE (M176
- [SDR ASAA2022101140237](https://openairdocs.org/sdr/ASAA2022101140237.md): Loop · dirty · Oct 11, 2022 · N402AS · Boeing 737990ER · Detection System
  > ENGINE #1 FIRE WARNING SWITCH WILL NOT ILLUMINATE DURING TEST. (LOOP B WILL NOT TEST, LOOP A TESTS SATISFACTORY). GROUNDED - YES. PERFORMED FIRE DETECTION MODULE BITE. REF B737-900 FIM 26-10 TASK 801, FOUND #1 ENG "B" LOOP FAULT. CLEAN DETECTORS #1 ENG LOWER L
- [SDR ASAA2022090939925](https://openairdocs.org/sdr/ASAA2022090939925.md): Actuator · leaking · Sep 9, 2022 · N402AS · Boeing 737990ER · Compressor Bleed Control
  > #2 ENGINE RH VSV ACTUATOR EXCESSIVELY LEAKING. APPROX 60 DROPS/MIN. GROUNDED - YES. REPLACED #2 ENG RH VSV ACTUATOR PER B737-900 AMM 75-31-01.
- [SDR ASAA2022080839438](https://openairdocs.org/sdr/ASAA2022080839438.md): Sign · detached · Aug 8, 2022 · N402AS · Boeing 737990ER · Emergency Lighting
  > CEILING - MOUNTED EXIT SIGN KNOCKED DOWN. AND IS HANGING BY ITS POWER WIRE MID-CABIN. GROUNDED - YES. RE-SECURED IN PLACE LIGHT ASSEMBLY AS REQUIRED & OPS TEST GOOD. IAW B737-900 AMM 33-51-00.
- [SDR ASAA2022072639232](https://openairdocs.org/sdr/ASAA2022072639232.md): Probe · faulty · Jul 26, 2022 · N402AS · Boeing 737990ER · Engine Temperature Indicating System
  > ENG #2 EGT RED ON T/O, 960 C FOR 9 SEC. GROUNDED - YES. REPLACED T49.5 PROBE #3 REF B737-900 AMM 77-21-01/401. REPLACED CJ10 HARNESS REF AMM 7321-06/401.

Next page: https://openairdocs.org/aircraft/N402AS/reports.md?page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
WHERE n_number = 'N402AS' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N402AS/reports

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