# Service difficulty reports: N237AK A list on [N237AK](https://openairdocs.org/aircraft/N237AK.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR ASAA2025030156357](https://openairdocs.org/sdr/ASAA2025030156357.md): Power Supply · inoperative · Mar 1, 2025 · N237AK · Boeing 737990ER · Emergency Lighting > ALL EMERGENCY LIGHTS ASSOCIATES WITH POWER SUPPLY M1672 ARE INOP. GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY M1672 S/N 131450 AND OPS CHECK GOOD IAW B737 AMM 33-51-06. - [SDR ASAA2025030156356](https://openairdocs.org/sdr/ASAA2025030156356.md): Power Supply · inoperative · Mar 1, 2025 · N237AK · Boeing 737990ER · Emergency Lighting > ALL EMERGENCY LIGHTS ASSOCIATES WITH POWER SUPPLY M1671 ARE INOP. GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY M1671 S/N 131366 AND OPS CHECK GOOD IAW B737 AMM 33-51-06. - [SDR ASAA2025030156355](https://openairdocs.org/sdr/ASAA2025030156355.md): Power Supply · inoperative · Mar 1, 2025 · N237AK · Boeing 737990ER · Emergency Lighting > ALL EMERGENCY LIGHTS ASSOCIATES WITH POWER SUPPLY M1670 ARE INOP. GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY M1670 AND OPS CHECK GOOD IAW B737 AMM 33-51-06. (S/N 130712) - [SDR ASAA2025030156354](https://openairdocs.org/sdr/ASAA2025030156354.md): Power Supply · inoperative · Mar 1, 2025 · N237AK · Boeing 737990ER · Emergency Lighting > ALL EMERGENCY LIGHTS ASSOCIATES WITH POWER SUPPLY M1695 ARE INOP. GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY M1695 AND OPS CHECK GOOD IAW B737 AMM 33-51-06. (S/N 130770) - [SDR ASAA2025030156353](https://openairdocs.org/sdr/ASAA2025030156353.md): Power Supply · inoperative · Mar 1, 2025 · N237AK · Boeing 737990ER · Emergency Lighting > ALL EMERGENCY LIGHTS ASSOCIATES WITH POWER SUPPLY M1694 ARE INOP. GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY M1694 AND OPS CHECK GOOD IAW B737 AMM 33-51-06. (S/N 130715) - [SDR ASAA2025030156352](https://openairdocs.org/sdr/ASAA2025030156352.md): Power Supply · inoperative · Mar 1, 2025 · N237AK · Boeing 737990ER · Emergency Lighting > ALL EMERGENCY LIGHTS ASSOCIATES WITH POWER SUPPLY M1676 ARE INOP. GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY M1676 AND OPS CHECK GOOD IAW B737 AMM 33-51-06. (S/N 130810) - [SDR ASAA2025030156351](https://openairdocs.org/sdr/ASAA2025030156351.md): Power Supply · inoperative · Mar 1, 2025 · N237AK · Boeing 737990ER · Emergency Lighting > ALL EMERGENCY LIGHTS ASSOCIATES WITH POWER SUPPLY M2335 ARE INOP. GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY M2335 AND OPS CHECK GOOD IAW B737 AMM 33-51-06. (S/N 130367) - [SDR ASAA2024121254549](https://openairdocs.org/sdr/ASAA2024121254549.md): Power Supply · no test · Dec 12, 2024 · N237AK · Boeing 737990ER · Emergency Lighting > WHILE ACCOMPLISHING T/C 78233001 FOUND BATTERY PACKS FOR L1 DOOR L2 DOOR R1 DOOR FAILED. GROUNDED - YES. REMOVED AND REPLACED M1673 POWER SUPPLY BATTERY PACK ASSY. OPS NORMAL. REF AMM 33-51-06 AND WDM 33-51-22. REMOVED AND REPLACED BATTERY PACKS AND POWER SUPP - [SDR ASAA2023122847041](https://openairdocs.org/sdr/ASAA2023122847041.md): Power Supply · discharged · Dec 28, 2023 · N237AK · Boeing 737990ER · Emergency Lighting > EMERG EXIT LIGHT ABOVE ROW 27ABC INOP. GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY ASSOCIATED WITH EMERGENCY EXIT LIGHT ABOVE ROW 27ABC & INSTALLATION TEST GOOD IAW B737-900 AMM 33-51-06. - [SDR ASAA2023122847022](https://openairdocs.org/sdr/ASAA2023122847022.md): Power Supply · inoperative · Dec 28, 2023 · N237AK · Boeing 737990ER · Emergency Lighting > EMERGENCY EXIT LIGHT ABOVE ROW 27ABC INOP. (TRANSFERED FROM LOG PAGE 60747207) GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY ASSOCIATED WITH EMERGENCY EXIT LIGHT ABOVE ROW 27 ABC & INSTALLATION TEST FOOD IAW B737-900 AMM 33-51-06. - [SDR ASAA2023062843780](https://openairdocs.org/sdr/ASAA2023062843780.md): Lens · missing · Jun 28, 2023 · N237AK · Boeing 737990ER · Emergency Lighting > AIRCRAFT LEFT AFT EMERGENCY LENS COVER IS MISSING. GROUNDED - YES. REPLACED LENS COVER LIGHT OPS CHECK GOOD. A/C OK FOR SERVICE. - [SDR ASAA2023012341618](https://openairdocs.org/sdr/ASAA2023012341618.md): Battery Pack · no test · Jan 23, 2023 · N237AK · Boeing 737990ER · Emergency Lighting > WHILE PERFORMING MTC 78233008-EMERGENCY EXIT LIGHTS OPS TEST- FOUND TWO OVERHEAD BIN EMERGENCY LIGHTS INOP ON R/H SIDE ABOVE ROWS 25DEF AND 29 DEF. BOTH LIGHTS TURN ON AND BLINK SHORTLY BEFORE TURNING OFF. GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY BATT - [SDR ASAA2022012437276](https://openairdocs.org/sdr/ASAA2022012437276.md): Web · corroded · Jan 24, 2022 · N237AK · Boeing 737990ER · Fuselage Main, Structure > AFT PIT DOOR SUROUND LOWER SILL WEB CORRODED MILTIPLE AREAS BETWEEN STA 787 TO STA 847. GROUNDED - YES. REMOVED CORROSION FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-60-15-1A-1. REMOVED AND REPLACED SILL WEB IAW 737-900ER SRM 51-40-02-0G-0.W= 2" O=.050 R= - [SDR ASAA2022011437340](https://openairdocs.org/sdr/ASAA2022011437340.md): Cargo Track · corroded · Jan 14, 2022 · N237AK · Boeing 737990ER · Fuselage Main, Structure > AFT PIT CARGO TRACK AT RBL-16 HAS CORROSION AT STA 767+6. GROUNDED - YES. REPAIR TO AFT PIT CARGO TRACK AT RBL-16 AND AT 767+6 IAW ASA EA 900ER-53EA-24154 CAT A REPAIR NO FURTHER INSPECTION REQ.W=.90 O=.070 R=.037 L= 3.75" D=.033. - [SDR ASAA2022011437331](https://openairdocs.org/sdr/ASAA2022011437331.md): Cargo Track · corroded · Jan 14, 2022 · N237AK · Boeing 737990ER · Fuselage Main, Structure > AFT PIT CARGO TRACK AT RBL-16 HAS CORROSION AT STA 767+6. GROUNDED - YES. REPAIR TO AFT PIT CARGO TRACK AT RBL-16 AND AT 767+6 IAW ASA EA 900ER-53EA-24154 CAT A REPAIR NO FURTHER INSPECTION REQ.W=.90 O=.070 R=.037 L= 3.75" D=.033. - [SDR ASAA2022011437245](https://openairdocs.org/sdr/ASAA2022011437245.md): Plate · corroded · Jan 14, 2022 · N237AK · Boeing 737990ER · Fuselage Main, Structure > AFT PIT TRANSITION AT RBL-21 HAS MULTIPLE AREAS OF CORROSION BETWEEN STA 727I+6 TO STA 767. GROUNDED - YES. REPAIRED DAMAGED SECTION OF TRANSITION FROM STA 727I+6 TO 767 R/H IAW B737-900 SRM 53-00-53-2R-5.W= 3.00" O=.040" R=.000" L= 3.0" D=.040". - [SDR ASAA2021120636830](https://openairdocs.org/sdr/ASAA2021120636830.md): Lens · none · Dec 6, 2021 · N237AK · Boeing 737990ER · Emergency Lighting > RAMP FOUND EMER LIGHT COVER LENS BROKEN ON L/H SIDE 16A. GROUNDED - YES. REPLACED EMER LIGHT COVER LENS @ 16A. - [SDR ASAA2020010831800](https://openairdocs.org/sdr/ASAA2020010831800.md): Power Supply · failed · Jan 3, 2020 · N237AK · Boeing 737990ER · Emergency Lighting > EMERGENCY LIGHTS COMMON TO L2 DOOR BATTERY PACK DISCHARGE CHECK FAILED. GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY AND OPS CHECK GOOD IAW ASA B737-900 AMM 33-51-06. - [SDR ASAA2017041920492](https://openairdocs.org/sdr/ASAA2017041920492.md): Girt Bar · out of alignment · Apr 19, 2017 · N237AK · Boeing 737990ER · Emergency Equipment > R1 DOOR GIRT BAR TOO TIGHT, DIFFICULT TO ARM. ACFT GROUNDED. INSPECTED THE R1 DOOR GIRT BAR AND FOUND IT MISALIGNED. REMOVED SLIDE PACK AND REALIGNED THE GIRT BAR. INSTALLED SLIDE PACK AND ALL OPS CK'S NORMAL IAW AMM 25-66-01. NO DISCREPANCIES FOUND. - [SDR ASAA2017021719874](https://openairdocs.org/sdr/ASAA2017021719874.md): Skin · dented · Feb 17, 2017 · N237AK · Boeing 737990ER · Fuselage Main, Plate/Skin > DENT IN FUSELAGE AFT OF L-2 DOOR. GROUNDED - YES. REPAIRED PER EA 900ER-53EA-18514 AND ER 17-01468. ## 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 = 'N237AK' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N237AK/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.