# Service difficulty reports: N557AS

A list on [N557AS](https://openairdocs.org/aircraft/N557AS.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 11 · 525 reports

- [SDR ASAA2026050866003](https://openairdocs.org/sdr/ASAA2026050866003.md): Sign · detached · May 8, 2026 · N557AS · Boeing 737890 · Emergency Lighting
  > EXIT SIGN OVERHEAD 16/17 DEF FALLING OFF. GROUNDED - YES. SECURED EXIT SIGN OVERHEAD 16/17 DEF OK FOR SERVICE.
- [SDR ASAA2026042065603](https://openairdocs.org/sdr/ASAA2026042065603.md): Fire Detector · malfunctioned · Apr 20, 2026 · N557AS · Boeing 737890 · Fire Detection
  > MOMENTARY WHEEL WELL FIRE WARNINGS ON CLIMBOUT. GOT BELL, MASTER FIRE, AND WW FIRE INDICATION. NO MASTER CAUTION. GROUNDED - YES. AFTER CREW CONSULT WHEEL WELL WARNING WAS ONLY MOMENTARY THEN EXTINGUISHED PERFORMED BITE CHECK OF OVERHEAT DETECTOR CONTROL MODU
- [SDR ASAA2026011564021](https://openairdocs.org/sdr/ASAA2026011564021.md): Battery · inoperative · Jan 15, 2026 · N557AS · Boeing 737890 · Emergency Lighting
  > EMERGENCY LIGHTS AT R1 DOOR INOP. GROUNDED - YES. REMOVED AND INSTALLED SERVICABLE EMERGENCY LIGHTS BATTER, OPS CHECKS GOOD IAW B737-800 AMM 33-51-06-960-805.
- [SDR ASAA2025121563132](https://openairdocs.org/sdr/ASAA2025121563132.md): Bulb · inoperative · Dec 15, 2025 · N557AS · Boeing 737890 · Emergency Lighting
  > EMERGENCY EVACUATION LIGHTS BEHIND BOTH WINGS WILL NOT ILLUMINATE. GROUNDED - YES. REMOVED AND REPLACED BULBS FOR EMERGENCY EVAL LIGHTS PER B737-800 AMM 33-51-04-960-801.
- [SDR ASAA2025121363024](https://openairdocs.org/sdr/ASAA2025121363024.md): Power Supply · inoperative · Dec 13, 2025 · N557AS · Boeing 737890 · Emergency Lighting
  > EMERGENCY LIGHTS ASSOCIATED WITH M2335 POWER SUPPLY ARE INOP. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHT POWER SUPPLY M2335 PER B737-800 AMM 33-51-06-960-806,INSTALLATION TEST GOOD.
- [SDR ASAA2025120963013](https://openairdocs.org/sdr/ASAA2025120963013.md): Rib · cracked · Dec 9, 2025 · N557AS · Boeing 737890 · Horizontal Stabilizer, Spar/Rib
  > INSIDE RT HORIZONTAL STAB, RIB AT HSS 92.7 HAS 2 CRACKS (MARKED IN RED). GROUNDED - YES. REPAIRED THE RT HORIZ STAB, RIB AT HSS 92.7 (2EA) USING PN:BAC1505-100962 7075-T73511 PO:1137296.2 AND PN:BAC1490-2793 7075-T62 PO:1137296.1 IAW SRM 55-10-09-2R-4. REMOVE
- [SDR ASAA2025120763016](https://openairdocs.org/sdr/ASAA2025120763016.md): Floor Support · corroded · Dec 7, 2025 · N557AS · Boeing 737890 · Fuselage Miscellaneous Structure
  > MAIN CABIN SUPPORT 147A5710-17 AT BS 986.5 FOUND CORRODED. GROUNDED - YES. REMOVED CORROSION IAW SRM 51-10-02 INVESTIGATION FOUND TO BE 100% MAT LOSS OUT OF LIMITS, DRILLED TO FIT NEW SUPPORT P/N 147A5710-17 PO:1137788.1 AND INSTALLED NEW FLOOR SUPPORT STA 986
- [SDR ASAA2025113063015](https://openairdocs.org/sdr/ASAA2025113063015.md): Web · corroded · Nov 30, 2025 · N557AS · Boeing 737890 · Fuselage Miscellaneous Structure
  > MAIN CABIN SUPPORT WEB 147A5712-35 CORRODED AT STA 986.5. GROUNDED - YES. REMOVED CORROSION IAW B737-800 SRM 51-10-02, NO ALLOWABLE DAMAGE STATED, DRILLED TO FIT NEW WEB P/N 147A37U35 PO:1137807.1 IAW B737-800 SRM 51-40-05 AND INSTALLED NEW WEB IAW BOEING DWG
- [SDR ASAA2025113063014](https://openairdocs.org/sdr/ASAA2025113063014.md): Floorbeam · corroded · Nov 30, 2025 · N557AS · Boeing 737890 · Fuselage Main, Floor Beam
  > MAIN CABIN FLOOR SUPPORT INTERCOSTAL CORRODED AT STA 986.5 L/H. GROUNDED - YES. REMOVED CORROSION IAW B737-800 SRM 51-10-02. NO ALLOWABLE DAMAGE STATED DRILLED TO FIT NEW INTERCOSTAL 147A5705Y1 PO:1137794.2 B737-800 SRM 51-40-05 AND BOEING DWG 147A5700 REV. B
- [SDR ASAA2025113063011](https://openairdocs.org/sdr/ASAA2025113063011.md): Floor Support · corroded · Nov 30, 2025 · N557AS · Boeing 737890 · Fuselage Miscellaneous Structure
  > MAIN CABIN FLOOR SUPPORT INTERCOSTAL CORRODED AT STA 986.5 RT. GROUNDED - YES. REMOVED CORROSION IAW SRM 51-10-02, NO ALLOWABLE DAMAGE STATED, DRILLED TO FIT NEW INTERCOSTAL IAW SRM 57-40-05 P/N 147A570541 PO:113779.2 AND BOEING DWG 147A5700 INTERCOSTAL INSTAL
- [SDR ASAA2025111662588](https://openairdocs.org/sdr/ASAA2025111662588.md): Floor Panel · punctured · Nov 16, 2025 · N557AS · Boeing 737890 · Fuselage Floor Panel
  > CABIN FLOOR PANEL PN 143A5810-148 PUNCTURED NEAR 4TH INSERT. GROUNDED - YES. FABRICATED NEW PANEL 143A5810-148. IAW ASA B737-800ER SRM 53-00-50-2R-0, DWG 143A5810 REV-, GPM 9.59.
- [SDR ASAA2025110662368](https://openairdocs.org/sdr/ASAA2025110662368.md): Floor Panel · delaminated · Nov 6, 2025 · N557AS · Boeing 737890 · Fuselage Floor Panel
  > AFT WET AREA FLOOR PANEL DELAMINATED. GROUNDED - YES. ACCOMPLISHED PERMANENT REPAIR TO AFT FLOOR PANEL IAW SRM 53-00-50-2R0, 53-00-50-2R1.
- [SDR ASAA2025110563018](https://openairdocs.org/sdr/ASAA2025110563018.md): Floorbeam · corroded · Nov 5, 2025 · N557AS · Boeing 737890 · Fuselage Main, Floor Beam
  > CABIN FLOORBEAM, AFT GALLEY G4 TRANSVERSE FLOORBEAM UPPER SURFACE CORRODED ON SEVERAL AREAS BS 986.5. GROUNDED - YES. REMOVED CORROSION 2 E/A ON FLOORBEAM 986.5 OT=.150" MATERIAL REMOVED.046" REMAINING.104" ALLOWABLE REMOVED MAT.007". OUT OF LIMITS IAW SR
- [SDR ASAA2025110563012](https://openairdocs.org/sdr/ASAA2025110563012.md): Floor Support · corroded · Nov 5, 2025 · N557AS · Boeing 737890 · Fuselage Miscellaneous Structure
  > MAIN CABIN FLOOR SUPPORT, AFT GALLEY NR 4 LT SIDE INTERCOSTAL (BETWEEN LEFT SIDE FLOOR MOUNT FITTINGS) UPPER SURFACE HAS CORROSION ON SEVERAL AREAS. (LBL 22-26, STA 986.5-1016). GROUNDED - YES. REMOVED CORROSION IAW SRM 53-70-51. ORIG MAT 0.040, REMOVED 0.003,
- [SDR ASAA2025110562955](https://openairdocs.org/sdr/ASAA2025110562955.md): Floor Support · corroded · Nov 5, 2025 · N557AS · Boeing 737890 · Fuselage Miscellaneous Structure
  > MAIN CABIN FLOOR SUPPORT, AFT RIGHT DOOR INTERCOASTAL UPPER SURFACE (ADJACENT TO RIGHT LAVATORY AFT FLOOR MOUNT FITTING) HAS CORROSION (STA 947.5- 967). MARKED AND DOTTED. GROUNDED - YES. REMOVED CORROSIONS AREA'S 2(EA) MARK ON INTERCOSTAL. ORIG MAT. 080, REMO
- [SDR ASAA2025110462621](https://openairdocs.org/sdr/ASAA2025110462621.md): Pan · gouged · Nov 4, 2025 · N557AS · Boeing 737890 · Passenger/Crew Doors
  > R2 DOOR, EXTERNAL HANDLE PAN, INSIDE DIAMETER CUT OUT IS GOUGED. GROUNDED - YES. REMOVED DAMAGED GOUGED HANDLE PAN ASSY AND INSTALLED NEW 147A6137U4 HANDLE PAN ASSY IAW B737-800 SRM 51-40-02 AND BAC DWG 147A6502 REV A.
- [SDR ASAA2025110462620](https://openairdocs.org/sdr/ASAA2025110462620.md): Transition Panel · corroded · Nov 4, 2025 · N557AS · Boeing 737890 · Fuselage Miscellaneous Structure
  > FWD CARGO PIT LT BS 480 TO 500D TRAINSION Z-ANGLE, HAS CORROSION MARKED. GROUNDED - YES. REMOVED CORROSION FROM FWD PIT L/H TRANSITION PANEL AT STA 480-500D IAW B737-800 SRM 53-00-53-1A-2.2.D. ORIG THICKNESS IS.040" IAW B737-800 SRM 53-30-53-01-2. TABLE 2. RE
- [SDR ASAA2025110462589](https://openairdocs.org/sdr/ASAA2025110462589.md): Angle · corroded · Nov 4, 2025 · N557AS · Boeing 737890 · Fuselage Miscellaneous Structure
  > FWD CARGO PIT AFT OF DOOR TRANSITION/Z ANGLE, AT STA 500A HAS CORROSION MARKED. GROUNDED - YES. REMOVED CORROSION FROM FWD PIT AFT SHIELD IAW B737-800 SRM 53-30-15-1A-1, ORIGINAL THICKNESS 0.032 IAW B737-800 SRM 53-30-15-01-1, REMOVED 0.015, REMAINING THICKNES
- [SDR ASAA2025110462558](https://openairdocs.org/sdr/ASAA2025110462558.md): Threshold Web · corroded · Nov 4, 2025 · N557AS · Boeing 737890 · Fuselage Miscellaneous Structure
  > FWD CARGO PIT AT CARGO DOOR CUT OUT LOWER SILL AREA HAS SPOTS OF CORROSION. GROUNDED - YES. REMOVED CORROSION FROM THE FWD PIT DOOR THRESHOLD WEB IAW SRM 51-30-15-1A-1, ORIG THICKNESS IS 0.45 IAW SRM 53-30-15-01-1, REMOVED 0.05, REMAINING THICKNESS IS 0.040
- [SDR ASAA2025110462415](https://openairdocs.org/sdr/ASAA2025110462415.md): Shield · corroded · Nov 4, 2025 · N557AS · Boeing 737890 · Fuselage Miscellaneous Structure
  > AFT CARGO COMPARTMENT-STA 767-787 RIGHT SHIELD WITH CORROSION. GROUNDED - YES. REMOVED CORROSION FROM AFT PIT CARGO DOOR FWD SHIELD IAW B737-800 SRM 53-60-15-1A-1.2.A. ORIGINAL THICKNESS IS 0.050" IAW B737-800 53-60-15-01-1. TABLE 4. REMOVED 0.015, REMAINING T
- [SDR ASAA2025110462414](https://openairdocs.org/sdr/ASAA2025110462414.md): Transition Panel · corroded · Nov 4, 2025 · N557AS · Boeing 737890 · Fuselage Main, Plate/Skin
  > AFT CARGO COMPARTMENT-STA 727I-767-RIGHT SIDEPLATE WITH CORROSION. GROUNDED - YES. REMOVED CORROSION FROM THE AFT PIT, R/H TRANSITION PANEL AT STA 727I-767 IAW B737-800 SRM 53-00-53-1A-2.2.D. 100% MAT LOSS AND IS FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-0
- [SDR ASAA2025110462413](https://openairdocs.org/sdr/ASAA2025110462413.md): Transition Panel · corroded · Nov 4, 2025 · N557AS · Boeing 737890 · Fuselage Miscellaneous Structure
  > AFT CARGO COMPARTMENT-STA 727G-727H-RIGHT SIDEPLATE WITH CORROSION. GROUNDED - YES. REMOVED CORROSION FROM THE AFT PIT, R/H TRANSITION PANEL AT STA 727G-727H IAW B737-800 SRM 53-00-53-1A-2.2.D. ORIG THICKNESS IS.040" IAW B737-800 SRM 53-00-53-1A-2. TABLE 2. R
- [SDR ASAA2025110363017](https://openairdocs.org/sdr/ASAA2025110363017.md): Bracket · corroded · Nov 3, 2025 · N557AS · Boeing 737890 · Fuselage Miscellaneous Structure
  > IN APU COMPARTMENT, LT SUPPORT BRACKETS, ABOVE DOOR CUTOUT HAVE AREAS OF CORROSION AROUND SCREW HOLES, FROM BS 1088 TO 1156 GROUNDED - YES. REMOVED CORROSION FROM THE LT BRACKETS (CHORD) ABOVE DOOR CUTOUT, BS 1080 TO 1156 IAW SRM 53-80-13-1A-2. ORIG. THICKNESS
- [SDR ASAA2025080459878](https://openairdocs.org/sdr/ASAA2025080459878.md): Light · inoperative · Aug 4, 2025 · N557AS · Boeing 737890 · Emergency Lighting
  > ROW 17 ABC SIDEWALL EMERGENCY EXIT LIGHT ROW INOP. GROUNDED - YES. REMOVED & REPLACED OVERWING EMERGENCY EXIT LIGHT ASSY IAW AMM 33-51-00. OPS CHK GOOD.
- [SDR ASAA2025061558744](https://openairdocs.org/sdr/ASAA2025061558744.md): Cover · detached · Jun 15, 2025 · N557AS · Boeing 737890 · Emergency Lighting
  > CENTER AISLE EMERGENCY SIGN COVER DETACHED. GROUNDED - YES. SECURED CENTER AISLE EMERGENCY SIGN COVER PER AMM 33-51-01-960-802 PERFORMED EMERGENCY LIGHTS OPS TEST PER AMM 33-51-00-720-801, TEST OK.
- [SDR ASAA2025060358447](https://openairdocs.org/sdr/ASAA2025060358447.md): Sign · detached · Jun 3, 2025 · N557AS · Boeing 737890 · Emergency Lighting
  > EXIT SIGN ABOVE ROW 1B FELL OFF. GROUNDED - YES. REINSTALLED EXIT SIGN ROW 1BREF AMM 11-23-01.
- [SDR ASAA2025032656888](https://openairdocs.org/sdr/ASAA2025032656888.md): Light · malfunctioned · Mar 26, 2025 · N557AS · Boeing 737890 · Emergency Lighting
  > EXIT ROW LIGHT ABOVE 17A IS INTERMITTEN. GROUNDED - YES. OPS CHECK GOOD @ 17A EXIT ROW LIGHT.
- [SDR ASAA2024110353597](https://openairdocs.org/sdr/ASAA2024110353597.md): Lamp · inoperative · Nov 3, 2024 · N557AS · Boeing 737890 · Emergency Lighting
  > FLT ATTENDANT REPORTS EMERGENCY LIGHT @16DEF INOP. GROUNDED - YES. RELAMPED EMERGENCY LIGHT @ROW 16DEF REF AMM 33-51-00.OPS CHECK NORMAL.
- [SDR ASAA2024071350975](https://openairdocs.org/sdr/ASAA2024071350975.md): Sign · detached · Jul 13, 2024 · N557AS · Boeing 737890 · Emergency Lighting
  > R1 EXIT SIGN FELL OFF. GROUNDED - YES. REMOVED AN REPLACED EMERGENCY EXIT SIGN ASSY PER AMM 33-51-01. LIGHTS OPS CKS NORMAL.
- [SDR ASAA2024071350974](https://openairdocs.org/sdr/ASAA2024071350974.md): Lens · detached · Jul 13, 2024 · N557AS · Boeing 737890 · Emergency Lighting
  > R1 EMERGENCY EXIT LIGHT COVER BROKEN. GROUNDED - YES. REPLACED R1 EMERGENCY EXIT LIGHT COVER, AS REQ'D, LIGHT OPS NORMAL, REF AMM 33-51-01.
- [SDR ASAA2024040949000](https://openairdocs.org/sdr/ASAA2024040949000.md): Web · gouged · Apr 9, 2024 · N557AS · Boeing 737890 · Fuselage Miscellaneous Structure
  > FOUND INTERCOSTAL WEB DAMAGED E&E BAY CUT OUT RBL 15.47, BS 338 & WL 152. GROUNDED - YES. DAMAGE LOCATED ON R/H INTERCOSTAL WEB UPPER EDGE IN E&E BAY DOOR SURROUND STRUCTURE. DAMAGE EXCEEDS ALLOWABLE DAMAGE LIMITS REF SRM 53-10-15-1A-3. REPLACED WEB SECTION.
- [SDR ASAA2023093045803](https://openairdocs.org/sdr/ASAA2023093045803.md): Skin · cracked · Sep 30, 2023 · N557AS · Boeing 737890 · Horizontal Stabilizer, Plate/Skin
  > RIGHT HORIZONTAL STAB LOWER SKIN IS CRACKED AT STA 101.90 FORWARD OF DRAIN HOLE. (MARKED). GROUNDED - YES. REPAIRED RIGHT HORIZONTAL STAB LOWER SKIN AT STA 101.90 FORWARD OF DRAIN HOLE IAW B737-800 SRM 55-10-01-2R-11, THIS IS A CAT B REPAIR WITH SUPPLEMENTAL I
- [SDR ASAA2023093045802](https://openairdocs.org/sdr/ASAA2023093045802.md): Skin · cracked · Sep 30, 2023 · N557AS · Boeing 737890 · Horizontal Stabilizer, Plate/Skin
  > RIGHT HORIZONTAL STAB LOWER SKIN IS CRACKED AT STA 101.90 AFT OF DRAIN HOLE. (MARKED). GROUNDED - YES. REPAIRED RIGHT HORIZONTAL STAB LOWER SKIN AT STA 101.90 AFT OF DRAIN HOLE IAW B737-800 SRM 55-10-01-2R-1A, THIS IS A CAT B REPAIR WITH SUPPLEMENTAL INSPECTIO
- [SDR ASAA2023093045801](https://openairdocs.org/sdr/ASAA2023093045801.md): Skin · cracked · Sep 30, 2023 · N557AS · Boeing 737890 · Horizontal Stabilizer, Plate/Skin
  > RIGHT HORIZONTAL STAB LOWER SKIN IS CRACKED AT STA 147.90. (MARKED). GROUNDED - YES. REPAIRED RIGHT HORIZONTAL STAB LOWER SKIN AT STA 147.90 IAW B737-800 SRM 55-10-01-2A-11, THIS IS A CAT B REPARI WITH SUPPLEMENTAL INSPECTION OF 56,000 TOTAL FLIGHT CYCLES WITH
- [SDR ASAA2023092945962](https://openairdocs.org/sdr/ASAA2023092945962.md): Battery · failed · Sep 29, 2023 · N557AS · Boeing 737890 · Emergency Lighting
  > R1 DOOR BATTERY PACK FAILS TO STAY ON REQURIED TIME (15 MIN). GROUNDED - YES. REMOVED AND REPLACED R1 DOOR BATTERY PACK OPS CHECKED GOOD IAW B737-800 AMM 33-51-06-960-805.
- [SDR ASAA2023091545168](https://openairdocs.org/sdr/ASAA2023091545168.md): Magnetic Plug · faulty · Sep 15, 2023 · N557AS · Boeing 737890 · Engine Starter
  > WHILE PERFORMED TASKCARD N2480001 FOUND CHECK VALVE ON #2 ENGINE STARTER MAGNETIC CHIP HOUSING TO REMAIN OPEN. GROUNDED - YES. REMOVED AND REPLACED MAGNETIC CHIP PLUG HOUSING PER AMM 80-11-01 LEAK CHECK GOOD AT THIS TIME.
- [SDR ASAA2023082744782](https://openairdocs.org/sdr/ASAA2023082744782.md): Unknown · unknown · Aug 27, 2023 · N557AS · Boeing 737890 · Emergency Lighting
  > AFT AISLE OVERHEAD EXIT SIGN FELL OFF. GROUNDED - YES. INSTALLED AFT GALLEY OVERHEAD EXIT SIGN.
- [SDR ASAA2023082044723](https://openairdocs.org/sdr/ASAA2023082044723.md): Indicator · inoperative · Aug 20, 2023 · N557AS · Boeing 737890 · Fuel Quantity Indicator
  > WING CENTER TANK INDICATOR INOP. GROUNDED - YES. R&R WING CENTER FUEL INDICATOR REF B737-800 AMM 28-41-61. OPS CHECK GOOD.
- [SDR ASAA2023081544614](https://openairdocs.org/sdr/ASAA2023081544614.md): Unknown · unknown · Aug 15, 2023 · N557AS · Boeing 737890 · Weather Radar System
  > WX RADAR DISPLAYED A 20 DEGREE ARC OF WX RETURN ON THE LEFT SIDE OF THE SCREEN THAT IS NOT THERE. GROUNDED - YES. OPERATIONAL TEST OF WX READAR REF AMM 34-43-00-710-802-001. TEST OK.
- [SDR ASAA2023080844474](https://openairdocs.org/sdr/ASAA2023080844474.md): Unknown · unknown · Aug 8, 2023 · N557AS · Boeing 737890 · Cabin Temperature Control System
  > WITH MASTER CAUTION RECALL CONT CAB ZONE TEMP ILLUMINATED. EXTINGUISHES WITH MASTER CAUTION RESET. GROUNDED - YES. (RESOLVED ON W/O: 1964019 TASKCARD: N/R-00004) ACCOMPLISHED PZTC BITE PROCEDURE REF. FIM 21-62 TASK 801. NO FAULTS ACTIVE OR IN HISTORY. PACK/ZO
- [SDR ASAA2023080244378](https://openairdocs.org/sdr/ASAA2023080244378.md): Window · malfunctioned · Aug 2, 2023 · N557AS · Boeing 737890 · Windshield/Door Rain/Ice Removal
  > RIGHT FWD WINDOW HEAT OVERHEAT DURING DESCEND PHASE. QRH RESET UNSUCCESSFUL. GROUNDED - YES. (RESOLVED ON W/O: 1964242 TASKCARD: N/R-00001) OLD WINDOW IS H12. NEW WINDOW IS H13. MOVED TAP FROM TERM #3 TO #1 REF WDM 30-41-12 P2. V.MULDREW 47631. ASA INSPECTOR#
- [SDR ASAA2023071744104](https://openairdocs.org/sdr/ASAA2023071744104.md): Unknown · unknown · Jul 17, 2023 · N557AS · Boeing 737890 · Cabin Cooling System
  > AFTER PUSH AND ENGINE START, MC & OVHD RIGHT PACK LIGHT ILLUMINATED ON RECALL. ABLE TO RESET. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023071544156](https://openairdocs.org/sdr/ASAA2023071544156.md): Heat Exchanger · failed · Jul 15, 2023 · N557AS · Boeing 737890 · Engine Oil System (Airframe Furnished)
  > #1 ENGINE OIL TREND DATA SHOWS OIL CONSUMPTION TO GREATER THAN EXPECTED. (#PRI2/ETOPS)ENGINE POWER RUN REQUIRED. GROUNDED - YES. (RESOLVED ON W/O: 1961392 TASKCARD: N/R-00002) ACCOMPLISHED STEPS 1-5. NO SIGN OF OBVIOUS LEAKS FOUND. 8 DRAINS BAGGED. D BARRET 4
- [SDR ASAA2023070243871](https://openairdocs.org/sdr/ASAA2023070243871.md): Lens · missing · Jul 2, 2023 · N557AS · Boeing 737890 · Emergency Lighting
  > AFT GALLEY EXIT SIGN MISSING PART OF COVER. GROUNDED - YES. REPLACED LENS RETAINER AND INSTALLED NEW LENS ON AFT GALLEY EXIT SIGN. REF AMM 33-51-01-960-801. UNABLE TO LOCATE MISSING COVER.
- [SDR ASAA2023062343693](https://openairdocs.org/sdr/ASAA2023062343693.md): Unknown · unknown · Jun 23, 2023 · N557AS · Boeing 737890 · Electrical Power System
  > ELEC LIGHT COMES ON P5 OVERHEAD PANEL. GROUNDED - YES. PER FIM 24-31-00-810-801, PERFORMED BITE TEST AND SPCU INOP MSG SHOWED. CYCLED SPCU NORMAL AND STBY C/BS PER FIM 24-34, TASK 802. FAULT CLEARED AND ELEC LIGHT DISTINGUISHED. OK FOR SERVICE.
- [SDR ASAA2023052943405](https://openairdocs.org/sdr/ASAA2023052943405.md): Unknown · unknown · May 29, 2023 · N557AS · Boeing 737890 · Passenger/Crew Doors
  > FA REPORTS L1 DOOR HANDLE DIFFICULT TO OPEN. GROUNDED - YES. FOUND L1 DOOR HANDLE TORQUE OUTSIDE OF SPECIFIED RANGE. ADJUSTED GUIDE ARM AND HORIZONTAL CONTROL ROD. L1 DOOR HANDLE TORQUE WITHIN SPECIFIED RANGE PER B737-800 AMM 52-11-00-700-804. PRESSURIZED CABI
- [SDR ASAA2023051943310](https://openairdocs.org/sdr/ASAA2023051943310.md): Modulating Valve · faulty · May 19, 2023 · N557AS · Boeing 737890 · Cabin Temperature Control System
  > FWD CABIN ZONE TEMP LIGHT OVERHEAD. GROUNDED - YES. REF B737-800 AMM 21-61-21 REMOVED AND REPLACED TRIM AIR VALVE (TAV), OPS TEST GOOD.
- [SDR ASAA2023050743176](https://openairdocs.org/sdr/ASAA2023050743176.md): Oil Tank · leaking · May 7, 2023 · N557AS · Boeing 737890 · Turbine Engine Oil System
  > WHEN OPENING FAN COWLS ON #1 ENGINE INBOARD SIDE, NOTICED A LARGE SPRAY PATTERN ON THE INBOARD SIDE OF FAN COWL FOUND EEC CABLES WET WITH OIL AS WELL FOUND OIL TANK VENT LINE CROOKED AND NOT SEALING 2 INSERTS WERE BROKEN ANS 2 INSERTS WERE ALMOST BROKE. GROUND
- [SDR ASAA2023040142674](https://openairdocs.org/sdr/ASAA2023040142674.md): Unknown · unknown · Apr 1, 2023 · N557AS · Boeing 737890 · Passenger/Crew Doors
  > L1 ENTRY DOOR STICKS. DIFFICULT TO OPEN AND CLOSE. GROUNDED - YES. L1 DOOR OPENS AND CLOSES CORRECTLY. NO DEFECTS NOTED.
- [SDR ASAA2023032942631](https://openairdocs.org/sdr/ASAA2023032942631.md): Unknown · unknown · Mar 29, 2023 · N557AS · Boeing 737890 · Windshield/Door Rain/Ice Removal
  > CAPTAIN'S FWD WINDSHIELD OVERHEAT LIGHT ILLUMINATED, RAN QRH, OVERHEAT LIGHT REMAINS ILLUMINATED. GROUNDED - YES. FOUND P18-3 C/B D2 PULLED + COLLARED W/MIG 51A. REMOVED COLLAR + CLOSED C/B. OPS NML.

Next page: https://openairdocs.org/aircraft/N557AS/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 = 'N557AS' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N557AS/reports

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.