# Service difficulty reports: N278AK A list on [N278AK](https://openairdocs.org/aircraft/N278AK.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR ASAA2026071067651](https://openairdocs.org/sdr/ASAA2026071067651.md): Transition Panel · corroded · Jul 10, 2026 · N278AK · Boeing 737900ER · Fuselage Floor Panel > AFT PIT L/H TRANSITION PANEL AT STA 727+15 TO 747+10 HAS CORROSION GROUNDED - YES. REMOVED CORROSION FOUND TO BE OUT OF LIMITS, REPPAIRED TRANSITION PANEL FROM STA 727F+13 TO 747+13 IAW B737-900 SRM 53-00-53-2R-5 W= 2.25" O= 0.040 R= 0.058" L= 56" D= 0.002" - [SDR ASAA2026070867650](https://openairdocs.org/sdr/ASAA2026070867650.md): Web · corroded · Jul 8, 2026 · N278AK · Boeing 737900ER · Fuselage Miscellaneous Structure > AFT PIT LOWER SILL WEB AT DOOR CUOUT IS CORRODED GROUNDED - YES. REMOVED AND ISNTALLED NEW LOWER SILL WEB ON AFT PIT CUTOUT IAW B737-900 SRM 51-40-02-06-0 AND REMOVED DAMAGE ON SILL WEB MAX MAT LOSS 0.019" FOUND TO BE OUT LIITS IAW B737-900 SRM 53-60-15-1A-1. - [SDR ASAA2025102561828](https://openairdocs.org/sdr/ASAA2025102561828.md): Light Sys · malfunctioned · Oct 25, 2025 · N278AK · Boeing 737990ER · Emergency Lighting > ROW 27ABC EMERGENCY LIGHT ON FOR HALF THE FLIGHT. GROUNDED - YES. CYCLING P5: PILOT EMERGENCY LIGHT SWITCH, PERFORMED GOOD OPERATIONAL TEST OF EMERGENCY LIGHT. 27ABC EMERGENCY LIGHT IS NORMAL. REF AMM 33-51-00/501. - [SDR ASAA2025101261500](https://openairdocs.org/sdr/ASAA2025101261500.md): Battery Pack · inoperative · Oct 12, 2025 · N278AK · Boeing 737990ER · Emergency Lighting > EMERGENCY EXIT AND SLIDE LIGHTS FOR R1 AND R2 DOOR INOP. GROUNDED - YES. REMOVED AND REPLACED BATTERY PACKS FOR ASSOCIATED LTS REF AMM 33-51-06. OPS GOOD. - [SDR ASAA2025070259169](https://openairdocs.org/sdr/ASAA2025070259169.md): Light · inoperative · Jul 2, 2025 · N278AK · Boeing 737990ER · Emergency Lighting > EXTERIOR EMERGENCY EXIT LIGHT NEAR R1 DOOR INOP. GROUNDED - YES. TRANSFERED TO AAR MIG-5 S/N: OK427039 - [SDR ASAA2025062959120](https://openairdocs.org/sdr/ASAA2025062959120.md): Battery · inoperative · Jun 29, 2025 · N278AK · Boeing 737990ER · Emergency Lighting > AFT RIGHT SIDE AISLE EMERGENCY LIGHTS FAILED TO STAY ON. GROUNDED - YES. REPLACED AFT RIGHT SIDE AISLE EMERGENCY LIGHT BATTERY OPS CHECK GOOD IAW B737-900 AMM 33-51-06-960-805. - [SDR ASAA2025021055817](https://openairdocs.org/sdr/ASAA2025021055817.md): Battery Pack · inoperative · Feb 10, 2025 · N278AK · Boeing 737990ER · Emergency Lighting > CUSTOMER WALK ITEM: EMERGENCY LIGHT ABOVE 27LH DOES NOT ILLUMINATE WHEN SELECTED. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK FOR POWER SUPPLY M2626 S/N 437601 IAW BOEING 737-900 AMM 33-51-06-960-805. LIGHT OP CHECK SUCCESSFUL IAW STEP 4E - [SDR ASAA2023072244147](https://openairdocs.org/sdr/ASAA2023072244147.md): Lamp · inoperative · Jul 22, 2023 · N278AK · Boeing 737900ER · Emergency Lighting > L1 DOOR'S EMERGENCY EXIT LIGHT HAS ONE INOP BULB. GROUNDED - YES. RELAMPED L1 DOOR EMERGENCY EXIT LIGHT 1EA LIGHT BULB IAW B737-900 AMM 33-51-01. - [SDR ASAA2023071644101](https://openairdocs.org/sdr/ASAA2023071644101.md): Power Supply · inoperative · Jul 16, 2023 · N278AK · Boeing 737900ER · Emergency Lighting > EMERGENCY LIGHTS ASSOCIATED WITH POWER SUPPLY M1675 ARE INOP. GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY M1675 IAW BOEING AMM 33-51-06. OPS CHECK GOOD IAW BOEING AMM 33-51-06. - [SDR ASAA2023070344117](https://openairdocs.org/sdr/ASAA2023070344117.md): Transition Panel · corroded · Jul 3, 2023 · N278AK · Boeing 737900ER · Fuselage Miscellaneous Structure > FWD CARGO LOCATED BETWEEN STA.500B AND 500I @ STR 26R, RIGHT TRANSITION PANEL UPPER SURFACE CORRODED AROUND FASTENER HOLES AS MARKED. (DOT ATTACH). GROUNDED - YES. REMOVED CORROSION FROM TRANSITION PANEL BETWEEN STA. 500B - 500I, STR 26R. ORIGINAL THICKNESS IS - [SDR ASAA2023070344103](https://openairdocs.org/sdr/ASAA2023070344103.md): Channel · corroded · Jul 3, 2023 · N278AK · Boeing 737900ER · Fuselage Miscellaneous Structure > FWD CARGO LOCATED BETWEEN STA.500F AND 500L @ STR 26L, LEFT TRANSITION PANEL UPPER SURFACE HAS CORROSION NUMEROUS PLACE AS MARKED. (DOT ATTACH). GROUNDED - YES. REMOVED CORROSION FROM STA. 500F AND 500L @ STR 26L, LEFT TRANSITION PANEL UPPER SURFACE IN FWD CA - [SDR ASAA2023070344102](https://openairdocs.org/sdr/ASAA2023070344102.md): Web · corroded · Jul 3, 2023 · N278AK · Boeing 737900ER · Fuselage Miscellaneous Structure > FWD CARGO ENTRY THRESHOLD FLOOR WEB UPPER SURFACE HAS CORROSION NUMEROUS PLACE AS MARKED. (DOT ATTACH). GROUNDED - YES. REMOVED CORROSION, ORIG THICKNESS.045". REMOVED.016", REMAINING.029" FOUND TO BE OUT OF LIMITS IAW B737-900 SRM 53-30-15-1A-1. REMOVED DA - [SDR ASAA2023070244116](https://openairdocs.org/sdr/ASAA2023070244116.md): Transition Panel · corroded · Jul 2, 2023 · N278AK · Boeing 737900ER · Fuselage Miscellaneous Structure > AFT CARGO, L/H TRANSITIONAL PANEL AT STA787L TO STA727C(L) BETWEEN STR25L TO STR26L CORROSION IS FOUND IN VARIOUS LOCATIONS. (MARKED IN RED). STREAMER IS ATTACHED. DOT#S458. GROUNDED - YES. REMOVED ADDITION CORROSION FROM STA 727 TO STA. 847. ORIGINAL THICKNES - [SDR ASAA2023070244100](https://openairdocs.org/sdr/ASAA2023070244100.md): Transition Panel · corroded · Jul 2, 2023 · N278AK · Boeing 737900ER · Fuselage Miscellaneous Structure > R/H AFT CARGO, FROM STA767R TO STA767D(R) BETWEEN STR25R TO STR26R CORROSION FOUND ON THE TRANSITIONAL PANEL., IN VARIOUS LOCAATIONS.(MARKED IN RED) AND STREAMER IS ATTACHED. DOT#S457 GROUNDED - YES. REMOVED ADDITIONAL CORROSION FROM STA 727 TO STA 787. ORIGIN - [SDR ASAA2023062943915](https://openairdocs.org/sdr/ASAA2023062943915.md): Floor Panel · cracked · Jun 29, 2023 · N278AK · Boeing 737900ER · Fuselage Miscellaneous Structure > FWD WET AREA FLOOR PNL AFT OF L1 DOOR P/N 141A5810-181 BROKEN. GROUNDED - YES. COMPLETED PERMANENT REPAIR OF FWD WET AREA FLOOR PANEL IAW B737-900ER SRM 53-00-50-2R-0 & 53-00-50-2R-1. - [SDR ASAA2023062943902](https://openairdocs.org/sdr/ASAA2023062943902.md): Floor Panel · cracked · Jun 29, 2023 · N278AK · Boeing 737900ER · Fuselage Floor Panel > AFT WET AREA FLOOR PNL AT R2 ENTRY DOOR P/N 147A5810-440 BROKEN. GROUNDED - YES. REPAIRED AFT WET AREA FLOOR PNL 147A5810-440 IAW B737-900 SRM 53-00-50. - [SDR ASAA2019032628792](https://openairdocs.org/sdr/ASAA2019032628792.md): Latch · out of adjust · Mar 26, 2019 · N278AK · Boeing 737900ER · Emergency Equipment > CAPT'S EMERGENCY ESCAPE ROPE COVER VERY DIFFICULT TO OPEN W/OUT BRUTE FORCE. LATCH WILL NOT RELEASE COVER. GROUNDED - YES. THE LATCH ON THE CAPT SIDE EMERGENCY EQUIPMENT ESCAPE ROPE WAS OUT OF ADJUSTMENT. ADJUSTED THE LATCH ON THE COCKPIT PANEL. DOOR OPENS AND ## 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 = 'N278AK' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N278AK/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.