# Service difficulty reports: N471AS

A list on [N471AS](https://openairdocs.org/aircraft/N471AS.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 5 · 245 reports

- [SDR ASAA2026021964499](https://openairdocs.org/sdr/ASAA2026021964499.md): Pin · sheared · Feb 19, 2026 · N471AS · Boeing 737990ER · Passenger/Crew Doors
  > FA REPORTS L1 DOOR NOT OPENING PROPERLY DOOR DOESNT OPEN ALL THE WAY. GROUNDED - YES. UPON L1 DOOR INSPECTION FOUND L1 DOOR TOP GUIDE ARM PIN BOTTOM SECURING SCREW HEAD SHEARED OFF CAUSING DOOR OPS ISSUE. R & R PIN ASSEMBLY IAW AMM 52-11-21 DOOR OPS CHKD GOOD
- [SDR ASAA2025101761712](https://openairdocs.org/sdr/ASAA2025101761712.md): Bulb · inoperative · Oct 17, 2025 · N471AS · Boeing 737990ER · Emergency Lighting
  > INTERIOR EMERGENCY LIGHTS BULBS INOP ROW 16 A, B, C, AND NEAR LAV E. GROUNDED - YES. RELAMPED EMERGENCY LIGHTS AT ROW 16 ABC AND NEAR LAV E REF B737 AMM 33-51-01. OPS CHECK GOOD.
- [SDR ASAA2025100461414](https://openairdocs.org/sdr/ASAA2025100461414.md): Fuse · inoperative · Oct 4, 2025 · N471AS · Boeing 737990ER · Emergency Lighting
  > EMERGENCY AISLE LIGHTS AT SEAT ROW 17 & 19 FED INOP. GROUNDED - YES. REPLACED TWO EACH FUSES IN BATTERY PACK M1671 REF B737NG AMM 33-51-06-960-804. AISLE LIGHTS AT SEAT ROW 17 AND 19 FED OPS CHECK GOOD REF B737NG AMM 33-51-06-960-804.P.O. 1125797.1.
- [SDR ASAA2025100461410](https://openairdocs.org/sdr/ASAA2025100461410.md): Bulb · inoperative · Oct 4, 2025 · N471AS · Boeing 737990ER · Emergency Lighting
  > EXTERNAL RIGHT EMERGENCY LOWER FUSELAGE SLIDE LIGHT INOP. GROUNDED - YES. REPLACED BULB IN EXTERNAL RIGHT EMERGENCY LOWER FUSELAGE SLIDE LIGHT, NO LONGER INOP REF. B737-600/700/800/900 AMM 33-51-04.
- [SDR ASAA2025100461409](https://openairdocs.org/sdr/ASAA2025100461409.md): Fuse · inoperative · Oct 4, 2025 · N471AS · Boeing 737990ER · Emergency Lighting
  > EMERENCY EXIT LIGHT AT THE BOTTOM OF AFT RIGHT OVERWING DOOR INOP. GROUNDED - YES. REPLACED FUSES IN BATTERY PACK M1671 ON N/R 30983, EMERGENCY EXIT LIGHT PASSES OPS CHECK REF B737 NG AMM 33-51-06-960-804. (S/N 118163)
- [SDR ASAA2025100261413](https://openairdocs.org/sdr/ASAA2025100261413.md): Battery Pack · inoperative · Oct 2, 2025 · N471AS · Boeing 737990ER · Emergency Lighting
  > EMERGENCY EXTERIOR R/H OVERWING EXIT LIGHTS INOP. GROUNDED - YES. REMOVED AND REPLACED BATTERY PACK M1671 IAW B737 AMM 33-51-06-960-806 OPERATIONAL TEST GOOD. (S/N 118163)
- [SDR ASAA2025100261412](https://openairdocs.org/sdr/ASAA2025100261412.md): Battery Pack · inoperative · Oct 2, 2025 · N471AS · Boeing 737990ER · Emergency Lighting
  > EMERGENCY R/H OVERWING EXIT LIGHTS INOP. GROUNDED - YES. REMOVED AND REPLACED BATTERY PACK M1695 IAW B737 AMM 33-51-06-960-806. OPERATIONAL GOOD. (S/N 118800)
- [SDR ASAA2025100261408](https://openairdocs.org/sdr/ASAA2025100261408.md): Power Supply · inoperative · Oct 2, 2025 · N471AS · Boeing 737990ER · Emergency Lighting
  > EMERGENCY AISLE LIGHT AT ROW 9 INOP. GROUNDED - YES. REMOVED AND REPLACED BATTERY PACK M1676 IAW AMM 33-51-06-960-806 OPERATIONAL TEST GOOD. (S/N 117742)
- [SDR ASAA2025091260935](https://openairdocs.org/sdr/ASAA2025091260935.md): Floorbeam · corroded · Sep 12, 2025 · N471AS · Boeing 737990ER · Fuselage Main, Floor Beam
  > AFT WET AREA, AT STA.986.5 AND RBL.43 UPPER CHORD OF FLOOR BEAM HAS A CORRODED FASTENER HOLE. GROUNDED - YES. REMOVED DAMAGE IAW B737-900ER SRM 53-70-51-2R-6 PERFORMED HFEC CUT AND MAT. ID, ROTO PEEN, HEAT TREATED, FABRICATED, APPLIED PROTECTIVE TREATMENT AND
- [SDR ASAA2025090961429](https://openairdocs.org/sdr/ASAA2025090961429.md): Shield · corroded · Sep 9, 2025 · N471AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > FWD CARGO FWD SHIELD HAS CORROSION ON LOWER SIDE. GROUNDED - YES. REMOVED CORROSION, ORIGINAL THICKNESS.032, MAT LOSS.005, REMAINING THICKNESS.027. AREA OUT OF LIMITS PER B737-900ER SRM 53-30-15-01-1 AND SRM 53-30-15-1A-1. REMOVED DAMAGED PART AND INSTALLED
- [SDR ASAA2025090960937](https://openairdocs.org/sdr/ASAA2025090960937.md): Angle · corroded · Sep 9, 2025 · N471AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > AFTER REMOVAL OF CORRODED SHIELD, L-ANGLE P#146A8125-53 WAS FOUND TO BE CORRODED BEYOND LIMITS. ALL WORK COMPLETED ON CUSTOMER CARD G2211728. GROUNDED - YES. ALL WORK ACCOMPLISHED ON CUSTOMER CARD # G2211728.
- [SDR ASAA2025090960936](https://openairdocs.org/sdr/ASAA2025090960936.md): Web · corroded · Sep 9, 2025 · N471AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > AFTER REMOVAL OF CORRODED SHIELD, WEB P#146A8123-18 WAS FOUND TO BE CORRODED OUT OF LIMITS. ALL WORK COMPLETED ON NR 30728. GROUNDED - YES. ALL WORK ACCOMPLISHED ON CUSTOMER CARD #G2211728(COPY ATTACHED) THIS NR IS FOR TRACKING PURPOSES ONLY.
- [SDR ASAA2025090461415](https://openairdocs.org/sdr/ASAA2025090461415.md): Stub Beam · gouged · Sep 4, 2025 · N471AS · Boeing 737990ER · Service Doors
  > R-2 DOOR, HANDLE BOX CUTOUT, LOWER TORQUE TUBE BEARING AREA IS GOUGED. GROUNDED - YES. REMOVED DAMAGED STUB BEAM REFERENCE B737-900 SRM 51-40-02, FABRICATED NEW STUB BEAM REFERENCE BAC DWG#147A6149 REV D, APPLIED CAA TO STUB BEAM BY OUTISDE VEDNOR IAW BAC5019,
- [SDR ASAA2025090260958](https://openairdocs.org/sdr/ASAA2025090260958.md): Pressure Plate · corroded · Sep 2, 2025 · N471AS · Boeing 737990ER · Fuselage Main, Structure
  > LEFT SIDE PRESSURE PLATE BETWEEN SS 986.3 AND 1006 HAS MULTIPLE AREAS OF CORROSION NEAR THE OTBD FITTING.. GROUNDED - YES. REMOVED AND REPLACED WITH NEW PRESSURE PLATE P/N 147A5116U19 PO:1132178.1 IAW B737-900 SRM 51-40-02 AND DWG. 147A5701. BLENDED AREA, OR
- [SDR ASAA2025090260938](https://openairdocs.org/sdr/ASAA2025090260938.md): Pressure Plate · corroded · Sep 2, 2025 · N471AS · Boeing 737990ER · Fuselage Main, Structure
  > RIGHT PRESSURE PLATE BETWEEN BS 986.3 & 1006 HAS MULTIPLE AREAS OF CORROSION NEAR FITTINGS AND FASTENER OPENINGS.. GROUNDED - YES. REMOVED AND REPLACED NEW PRESSURE PLATE IAW DWG. 147A5701.
- [SDR ASAA2025083061644](https://openairdocs.org/sdr/ASAA2025083061644.md): Floor Panel · delaminated · Aug 30, 2025 · N471AS · Boeing 737990ER · Fuselage Floor Panel
  > IN FWD GALLEY, FLOOR PANEL 222CF (PN: 141A5810-767) HAS DELAMINATION. GROUNDED - YES. ACCOMPLSIHED PERMANENT REPAIR TO FWD GALLEY FLOOR PANEL 222CF PN:141A5810-767, IAW ASA B737-900 SRM 53-00-50-2R-1 + 53-00-50-2R-0.
- [SDR ASAA2025083061643](https://openairdocs.org/sdr/ASAA2025083061643.md): Floor Panel · delaminated · Aug 30, 2025 · N471AS · Boeing 737990ER · Fuselage Floor Panel
  > IN FWD GALLEY, FLOOR PANEL 222DF (PN: 141A5810-766) HAS DELAMINATION & SEVERAL AREAS OF CORROSION IN FASTNER HOLES. GROUNDED - YES. ACCOMPLISHED PERMANENT REPAIR TO FWD GALLEY FLOOR PANEL 222DF PN: 141A5810-766 IAW ASA B737-900 SRM 53-00-50-2R-1 + 53-00-50-2R-
- [SDR ASAA2025083061480](https://openairdocs.org/sdr/ASAA2025083061480.md): Floor Panel · delaminated · Aug 30, 2025 · N471AS · Boeing 737990ER · Fuselage Floor Panel
  > MULTIPLE CORRODED FASTENERS AND AREAS OF DELAMINATION ON FLOORBOARD 242UF. GROUNDED - YES. REPAIRED DELAMINATION AND REPLACED INSERTS ON FLOORBAORD 242UF IAW B737-900 SRM 53-00-50-2R-1, 53-00-50-212-0.
- [SDR ASAA2025083061091](https://openairdocs.org/sdr/ASAA2025083061091.md): Floor Panel · delaminated · Aug 30, 2025 · N471AS · Boeing 737990ER · Fuselage Floor Panel
  > IN FWD GALLEY, FLOOR PANEL HAS DELAMINATION & AN AREA OF CORROSION IN FASTENER HOLE. GROUNDED - YES. APPLIED PERMANENT REPAIRS TO DAMAGED AREAS OF FLOOR BOARD 141A5810-768 IAW SRM 53-00-50-2R-0, & SRM 53-00-50-2R-7.
- [SDR ASAA2025083060956](https://openairdocs.org/sdr/ASAA2025083060956.md): Floor Support · corroded · Aug 30, 2025 · N471AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > IN FWD GALLEY, 5 INCHES FWD OF STA 312, LBL 12, EVIDENCE OF CORROSION ON FLOOR STRUCTURE (MARKED IN RED) GROUNDED - YES. BLENDED AREA, ORIGINAL THICKNESS.180", MATERIAL REMOVED.069", REMAINING THICKNESS.111", FOUND TO BE OUT OF LIMITS IAW B737-900ER 53-10-
- [SDR ASAA2025083060793](https://openairdocs.org/sdr/ASAA2025083060793.md): Floor Panel · delaminated · Aug 30, 2025 · N471AS · Boeing 737990ER · Fuselage Floor Panel
  > MULTIPLE AREAS OF DELAMINATION AND MULTIPLE BROKEN FASTENERS ON FLOORBOARD P/N: 147A5810-445. GROUNDED - YES. REPAIRED DELAMINATION AND REPLACED INSERTS ON FLOORBOARD P/N: 147A5810-445 IAW B737-900 SRM 53-00-50-2R-1, 53-00-50-2R-0.
- [SDR ASAA2025083060790](https://openairdocs.org/sdr/ASAA2025083060790.md): Floor Panel · delaminated · Aug 30, 2025 · N471AS · Boeing 737990ER · Fuselage Floor Panel
  > MULTIPLE CORRODED FASTNERS AND AREAS OF DELAMINATION ON FLOORDBOARD 241ABF P/N: 147A5810-439. GROUNDED - YES. REPAIRED DELAMINATION AND REPLACED FASTENERS ON FLOORBOARD 241AF P/N: 147A5810-439 IAW B737-900 SRM 53-00-50-2R-1, 53-00-50-2R-0.
- [SDR ASAA2025083060785](https://openairdocs.org/sdr/ASAA2025083060785.md): Floorboard · delaminated · Aug 30, 2025 · N471AS · Boeing 737990ER · Fuselage Floor Panel
  > MULTIPLE CORRODED FASTNERS AND AREAS OF DELAMINATION ON FLOORBOARD 242TF. GROUNDED - YES. REPAIRED DELAMINATION AND REPLACED INSERTS ON FLOORBOARD 242TF IAW B737-900 SRM 53-00-50-2R-1, 53-00-50-2R-0.
- [SDR ASAA2025083060782](https://openairdocs.org/sdr/ASAA2025083060782.md): Floorboard · delaminated · Aug 30, 2025 · N471AS · Boeing 737990ER · Fuselage Floor Panel
  > MULTIPLE CORRODED FASTENERS AND AREAS OF DELAMINATION ON FLOORBOARD 241ADF P/N: 147A5810-443. GROUNDED - YES. REPAIRED DELAMINATION AND REPLACED INSERTS ON FLOORBOARD 241ADF P/N:147A5810-443 IAW B737-900 SRM 53-00-50-2R-1, 53-00-50-2R-1.
- [SDR ASAA2025082961089](https://openairdocs.org/sdr/ASAA2025082961089.md): Landing · corroded · Aug 29, 2025 · N471AS · Boeing 737990ER · Fuselage Structure (General)
  > FWD CARGO AFT RT BULKHEAD PANEL LANDING IS CORRODED BEYOND REPAIR. GROUNDED - YES. REMOVED AND REPLACED FWD CARGO AFT RT BULKHEAD PANEL LANDING IAW B737-900ER SRM 51-40-02 AND BDWG 143A9481 REV -. PANEL LANDING FOUND TO HAVE 100% MATERIAL LOSS.
- [SDR ASAA2025082761129](https://openairdocs.org/sdr/ASAA2025082761129.md): Transition Panel · corroded · Aug 27, 2025 · N471AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > FWD CARGO TRANSITION PROFILE CORRODED AT STA 500L TO 500A AND BL 25R. GROUNDED - YES. REMOVED CORROSION AS REQ IN MULTIPLE AREAS. ORIG THICKNESS IS 0.040 PER SRM 53-30-53-01-02. LOWEST MATERIAL REMOVED WAS 0.020 REMAINING THICKNESS IS 0.020. FOUND TO BE OUT OF
- [SDR ASAA2025082761128](https://openairdocs.org/sdr/ASAA2025082761128.md): Shield · corroded · Aug 27, 2025 · N471AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > FWD CARGO TRANSITION PROFILE CORRODED AT BS 500 AND BL 25R. GROUNDED - YES. REMOVED FWD CARGO TRANSITION PROFILE AT STA 500. LOCATED AND DRILLED NEW PART IAW B737-900ER SRM 51-40-05. P/N 143A8126Y38 PO 1132983.1 PER B DWG 143A8126 REV -. INSTALLED NEW PART IN
- [SDR ASAA2025082760554](https://openairdocs.org/sdr/ASAA2025082760554.md): Transition Panel · corroded · Aug 27, 2025 · N471AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > FWD CARGO LH TRANSITION PANEL CORRODED AT STA 500H TO 500J. GROUNDED - YES. REMOVED CORROSION AND FOUND TO BE OUT OF LIMITS WITH 30% MATERIAL LOSS IAW B737-900ER SRM 53-30-53-01-2 AND 53-00-53-1A-2. TOOL T8224V CAL DUE 31/MAR/26. ACCOMPLISHED SIDEPLATE SPLICE
- [SDR ASAA2025082661257](https://openairdocs.org/sdr/ASAA2025082661257.md): Channel · corroded · Aug 26, 2025 · N471AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > AFT CARGO COMPARTMENT LONGITUDINAL FLOOR SUPPORT ASSEMBLY B/N: STA 727A & 727I, S-25L & S-26L, HAS MULTIPLE CORROSION SPOTS. GROUNDED - YES. DAMAGE FOUND TO BE CORRODED THROUGH IN MULTIPLE LOCATIONS WITH 100% MAT LOSS. FOUND TO BE OUT OF LIMITS IAW B737-900ER
- [SDR ASAA2025082661255](https://openairdocs.org/sdr/ASAA2025082661255.md): Channel · corroded · Aug 26, 2025 · N471AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > AFT CARGO COMPARTMENT LONGITUDINAL FLOOR SUPPORT ASSEMBLY BS 727A & 727I, S-25R & S-26R, HAS MULITPLE CORROSION SPOTS. GROUNDED - YES. DAMAGE FOUND TO BE CORRODED THROUGH IN MULTIPLE LOCATIONS WITH 100% MAT LOSS. FOUND TO BE OUT OF LIMITS IAW SRM 53-60-53-01-2
- [SDR ASAA2025082661090](https://openairdocs.org/sdr/ASAA2025082661090.md): Floor Support · corroded · Aug 26, 2025 · N471AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > AFT CARGO COMPARTMENT LONGITUDINAL FLOOR SUPPORT ASSEMBLY B/N STA 727I & 767, S -25R & S -26R, HAS MULTIPLE CORROSION SPOTS. GROUNDED - YES. DAMAGE FOUND TO BE CORRODED THROUGH IN MULTIPLE LOCATIONS WITH 100% MATERIAL LOSS. FOUND TO BE OUT OF LIMITS PER SRM 53
- [SDR ASAA2025082660957](https://openairdocs.org/sdr/ASAA2025082660957.md): Frame Splice · corroded · Aug 26, 2025 · N471AS · Boeing 737990ER · Fuselage Main, Frame
  > AFT CARGO COMPARTMENT RH LOWER FRAME B/N: STA 787, S-25R & S-24R HAS CORROSION. GROUNDED - YES. SPLICE HAS NO ALLOWABLE LIMITS REMOVED CORRODED SPLICE AND INSTALLED P#146A1300-3 PER B737-900ER SRM 51-40-02 AND BDWG 146A1262 REV J.
- [SDR ASAA2025082660939](https://openairdocs.org/sdr/ASAA2025082660939.md): Shield · corroded · Aug 26, 2025 · N471AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > AFT CARGO COMPARTMENT LONGITUDINAL FLOOR SUPPORT ASSEMBLY BETWEEN: BS 767 & 787. S25R & S26R, HAS MULTIPLE CORROSION SPOTS. GROUNDED - YES. BLENDED AWAY CORROSION, ORIGINAL THICKNESS (SHIELD).050 MAT LOSS.017, REMAINING THICK.033, AREA OUT OF LIMITS PER SRM
- [SDR ASAA2025082660553](https://openairdocs.org/sdr/ASAA2025082660553.md): Floor Support · corroded · Aug 26, 2025 · N471AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > AFT CARGO COMPARTMENT LONGITUDINAL FLOOR SUPPORT ASSEMBLY B/N STA 727I AND 847, S-25L & S-26L HAS MULTIPLE CORROSION SPOTS. GROUNDED - YES. DAMAGE FOUND TO BE CORRODED THROUGH WITH 100 PERCENT MATERIAL LOSS. FOUND TO BE OUT OF LIMITS IAW B737-900 SRM 53-60-53-
- [SDR ASAA2025082260940](https://openairdocs.org/sdr/ASAA2025082260940.md): Web · corroded · Aug 22, 2025 · N471AS · Boeing 737990ER · Fuselage Miscellaneous Structure
  > FWD CARGO DOOR WEB IS CORRODED IN NUMEROUS PLACES. GROUNDED - YES. CORROSION REMOVED, ORIGINAL THICKNESS.045, MAT LOSS.0175, REMAINING THICKNESS.0275, AREA OUT OF LIMITS PER B737-900ER SRM 53-30-15-1A-1 REMOVED WEB AND INSTALLED IAW SRM 51-40-02 AND DWG 143
- [SDR ASAA2025050457738](https://openairdocs.org/sdr/ASAA2025050457738.md): Battery Pack · inoperative · May 4, 2025 · N471AS · Boeing 737990ER · Emergency Lighting
  > EMERGENCY LIGHTS IN LH PREMIUM SECTION INOP. GROUNDED - YES. REMOVED AND REPLACED BATTERY FOR POWER SUPPLY M2335, OPS CHECK GOOD. AMM REF 33-51-06-960-805.
- [SDR ASAA2025031756641](https://openairdocs.org/sdr/ASAA2025031756641.md): Light · unsecure · Mar 10, 2025 · N471AS · Boeing 737990ER · Emergency Lighting
  > TECH SERVICE REQUEST. FOLLOW UP TO REPORTS OF PHOTOLUMINESCENT STRIP LIFTING UP DURING FLIGHT AT APPROX ROW 13-----#PRI1-----. GROUNDED - YES. (RESOLVED ON W/O: 2041532 TASKCARD: N/R-00002) CHECK RH SIDE ON BOTH ENDS FOUND SECURED/IN LIMITS REMOVED/REPLACED P
- [SDR ASAA2025022456253](https://openairdocs.org/sdr/ASAA2025022456253.md): Unknown · odor · Feb 24, 2025 · N471AS · Boeing 737990ER · Air Distribution System
  > AT ROTATION + INITIAL CLIMB OVERLY STRONG FUMES / ODOR ENTERED THE CABIN + FLIGHT DECK. LASTED ABOUT ONE MINUTE + GRADUALLY DISSIPATED. NOTICE A SIMILAR ODOR WHEN #2 ENG WAS SHUT DOWN DURING TAXI - IN. GROUNDED - YES. AIR TURNBACK - RECEIVED TURNOVER FROM FLIG
- [SDR ASAA2025012655526](https://openairdocs.org/sdr/ASAA2025012655526.md): Power Supply · inoperative · Jan 26, 2025 · N471AS · Boeing 737990ER · Emergency Lighting
  > WHILE T/C 72025000, FOUND LEFT SLIDE/WING LIGHT WON'T WORK. GROUNDED - YES. REMOVED AND REPLACED BATTERY PACK PER AMM 33-51-06.1 C/B OPENED AND CLOSED. OPS CHECK NORMAL.
- [SDR ASAA2025012655525](https://openairdocs.org/sdr/ASAA2025012655525.md): Power Supply · inoperative · Jan 26, 2025 · N471AS · Boeing 737990ER · Emergency Lighting
  > WHILE T/C 72025000, FOUND LEFT SLIDE LIGHT WON'T WORK. GROUNDED - YES. REMOVED AND REPLACED BATTERY PACK PER AMM 33-51-06.1 C/B OPENED AND CLOSED. OPS CHECK NORMAL.
- [SDR ASAA2024070250714](https://openairdocs.org/sdr/ASAA2024070250714.md): None · none · Jul 2, 2024 · N471AS · Boeing 737990ER · Passenger/Crew Doors
  > CATERING REPORTS L2 DOOR DIFFICULT TO USE, CALLED FOR CONSULT. GROUNDED - YES. VERIFIED L2 DOOR OPS CHECK PER AMM 52-13-00, L2 DOOR OPERATES NORMALLY WITH NO DEFECTS NOTED.
- [SDR ASAA2024060650162](https://openairdocs.org/sdr/ASAA2024060650162.md): Sign · detached · Jun 6, 2024 · N471AS · Boeing 737990ER · Emergency Lighting
  > FA REPORTS FWD GALLEY CALL LIGHT PANEL FALLING DOWN. GROUNDED - YES. VERIFIED FAULT, FOUND I/B RETAINER BROKEN OFF. REPLACED FWD ENTRY EXIT SIGN ASSEMBLY PLUS FWD GALLEY MASTER CALL LIGHT INFO LIGHT ASSEMBLY. ACCOMP EMERGENCY LIGHTS OPS TEST, TEST PASS ALSO AC
- [SDR ASAA2023110346001](https://openairdocs.org/sdr/ASAA2023110346001.md): Unknown · unknown · Nov 3, 2023 · N471AS · Boeing 737990ER · Engine Temperature Indicating System
  > ENG ECONOMIC FAULT 77-20861. GROUNDED - YES. CHECKED AND CONFIRMED ENG FAULT 77-20861, ECONOMIC FAULT EGT BOTTOM LEFT T 495S3, RE-CHECK IN 50 FIT HOURS, RELEASED PER TC 78273000. RECHECKED NO FAULTS FOUND/SHOWN. THIS CLEARS PLT DEFERRAL.
- [SDR ASAA2023102345797](https://openairdocs.org/sdr/ASAA2023102345797.md): Unknown · unknown · Oct 23, 2023 · N471AS · Boeing 737990ER · Cabin Pressure Control System
  > UPON LANDING, MASTER CAUTION 'AUTO FAIL' AND 'ALTN' ILLUMINATED ON PRESSURIZATINO CONTROL PANEL. GROUNDED - YES. CONFIRMED, CPC #2 SET CURRENT LEG FAILURE 007: OFV LRU FAIL, CPC #1 SET NO RELATED RECENT FAILURES. ACCOMPLISHED CPC SYSTEM GROUND TEST PER AMM 23-
- [SDR ASAA2023092445308](https://openairdocs.org/sdr/ASAA2023092445308.md): Unknown · unknown · Sep 24, 2023 · N471AS · Boeing 737990ER · Navigation System
  > ON TAKE OFF CA AN FO FLIGHT DIRECTOR WENT OFF. DID RESET THEM GOT CA FO BACK AND THEN REALIZED FO COMPAS ROSE WAS MISSING. MAP MFD CLEARED ON LANDING ON FO SIDE. GROUNDED - YES. AIR TURNBACK - PERFORMED ADIRU BIT PROCEDURE REF AMM 34-31-00. NO FAULT NOTED FO'S
- [SDR ASAA2023080244374](https://openairdocs.org/sdr/ASAA2023080244374.md): Control Panel · malfunctioned · Aug 2, 2023 · N471AS · Boeing 737990ER · Autopilot System
  > MCP HEADING SELECTOR SWITCH KNOB STUCK ON HEADING 238. SWITCH KNOB ROTATE FREELY BUT HEADING DOES NOT CHANGE. GROUNDED - YES. CONFIRMED MCP LOCKED UP. OPENED-TAGGED 9 EACH C/B'S. REPLACED MCP. CLOSED AND REMOVED TAGS ON 9 EACH C/B'S. MCP AND LLM TESTS NORMAL R
- [SDR ASAA2023080144346](https://openairdocs.org/sdr/ASAA2023080144346.md): Unknown · unknown · Aug 1, 2023 · N471AS · Boeing 737990ER · Fire Protection System
  > #1 ENGINE FIRE HANDLE DOES NOT ILLUMINATE DURING OVHT/FIRE TEST. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023072944299](https://openairdocs.org/sdr/ASAA2023072944299.md): Unknown · unknown · Jul 29, 2023 · N471AS · Boeing 737990ER · Fire Protection System
  > FIRE DECTION ENG 1 LOOP B INOP. GROUNDED - YES. PERFORMED TEST NO FAULTS AT HANDLE AND FIRE DETECTION CONTROL UNIT REF B737-900 AMM 26-10-00-710-801.
- [SDR ASAA2023072844307](https://openairdocs.org/sdr/ASAA2023072844307.md): Display · faulty · Jul 28, 2023 · N471AS · Boeing 737990ER · Flight Management Computing Hardware System
  > F/O MCDU SCREEN SHOWED JUMBLED WEIRD CHARACTERS AND LETTERS MULTIPLE TIMES ENROUTE. GROUNDED - YES. REMOVED AND REPLACED F/O MCDU. OPS CHECK GOOD IAW B737-900 AMM 34-61-01-400-802.
- [SDR ASAA2023070243875](https://openairdocs.org/sdr/ASAA2023070243875.md): Unknown · unknown · Jul 2, 2023 · N471AS · Boeing 737990ER · Flight Management Computing Hardware System
  > R(FO) MCDU OCCASIONALLY BLANKS, THEN PAGE RETURNS WITH ABOUT HALF THE CHARACTERS MISSING AND SOME APPEARING GRAY. FULL PAGE RETURNS WITHIN A FEW SECONDS. MCDU CAPABILITIES (E.G. SELECTING VREF ON INT/REF PAGE) WORK NORMALLY. GROUNDED - YES. PER B737-900 FIM 34

Next page: https://openairdocs.org/aircraft/N471AS/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 = 'N471AS' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N471AS/reports

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