# Service difficulty reports: N377DE A list on [N377DE](https://openairdocs.org/aircraft/N377DE.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR DALA2026101205591](https://openairdocs.org/sdr/DALA2026101205591.md): Battery Pack · inoperative · Oct 9, 2026 · N377DE · Boeing 7378EH · Emergency Lighting > EMERGENCY LIGHTS INOPERATIVE ROWS 19-23. R & R THE BATTERY PACK M1671 IAW AMM 33-51. OPS CHKD GOOD. (9444198) AIRCRAFT WAS GROUNDED - [SDR DALA2026031801867](https://openairdocs.org/sdr/DALA2026031801867.md): Windshield · arced · Mar 16, 2026 · N377DE · Boeing 7378EH · Flight Compartment Windows > (LOG 6871726) AT CRUISE WE NOTICED TH FO'S WINDOW HEAT START TO GLOW AND ARC SEVERAL TIMES. THE R1WINDOW THEN STARTED TO CRACK ON THE OUTSIDE. WE TURNED OFF THE WINDOW HEAT AND FOLLOWED QRH. REPLACED F/O WINDSHIELD PER B737AMMO ALSO REPLACED FO/RT FRONT WINDSH - [SDR DALA2026031601812](https://openairdocs.org/sdr/DALA2026031601812.md): Battery Pack · inoperative · Mar 12, 2026 · N377DE · Boeing 7378EH · Emergency Lighting > (LOG 6871715) AFT RIGHT GALLEY EMERGENCY LIGHTS INOPERATIVE. REMOVED AND REPLACED BATTERY PACK M1672 PER B737 AMM 33-51. OPS CHECK GOOD. - [SDR DALA2025050503439](https://openairdocs.org/sdr/DALA2025050503439.md): Trim Panel · out of position · May 2, 2025 · N377DE · Boeing 7378EH · Passenger/Crew Doors > SHIP 3777 -DIV- DIVERTED TO SLC DUE TO 1L CABIN DOOR SQUEAL. CORRECTIVE ACTION: REPOSITIONED L1 DOOR TRIM. REPLACED L1 DOOR LOWER HINGE FLAPPER ASSEMBLY. OPS CHECK GOOD. - [SDR DALA2025031702011](https://openairdocs.org/sdr/DALA2025031702011.md): Battery Pack · inoperative · Mar 13, 2025 · N377DE · Boeing 7378EH · Emergency Lighting > (LOG 6916404) EMERGENCY LIGHTS ASSOCIATED WITH M1670 INOP. REPLACED M1670 BATTERY PACK IAW B737 AMM 33-51. - [SDR DALA2024111811008](https://openairdocs.org/sdr/DALA2024111811008.md): Hinge · damaged · Nov 14, 2024 · N377DE · Boeing 7378EH · Passenger/Crew Doors > SHIP 3777 -ATB- DUE TO L1 DOOR DID NOT SEAL PROPERLY. ABLE TO SEE LIGHT AROUND DOOR SEAL. CORRECTIVE ACTION: FOUND L1 DOOR LOWER HINGE DAMAGED. REPLACED LOWER DOOR HINGE PER B737 AMM. PRESSURE AND OPS CHECKS GOOD. - [SDR DALA2024073007621](https://openairdocs.org/sdr/DALA2024073007621.md): Acm · inoperative · Jul 29, 2024 · N377DE · Boeing 7378EH · Cabin Cooling System > (LOG 6209826) ELECTRICAL FUMES 1500' PRIOR TO LVL OFF AT FL370. CLEARED ENTIRELY WITHIN 20 SECONDS. COCKPIT ONLY. R/R LT ACM PER B737 AMM 21-51. OPS CHECK GOOD. NO LEAKS. R&R LT & RT CABIN RECIRCULATION FILTER REF 737 AMM 21-51. - [SDR DALA2024051605273](https://openairdocs.org/sdr/DALA2024051605273.md): Battery Pack · no test · May 16, 2024 · N377DE · Boeing 7378EH · Emergency Lighting > (LOG 5630112) DURING SVC CHK, FOUND EMER. EXIT LIGHTS AT R1 DOOR, AND FC SEATS 1-4 INOP. R&R FWD POWER SUPPLY- BATTERY PACK IAW AMM 33-51. OPS CHK GOOD. - [SDR DALA2024020501532](https://openairdocs.org/sdr/DALA2024020501532.md): Battery Pack · inoperative · Feb 2, 2024 · N377DE · Boeing 7378EH · Emergency Lighting > (LOG 5727808) AFT LEFT DOOR EMERGENCY LIGHTS INOP. REMOVED & REPLACED BATTERY PACK. M1673 & OPS CHEK PER B737 AMM 33-51. - [SDR DALA2023121910402](https://openairdocs.org/sdr/DALA2023121910402.md): Unknown · unknown · Dec 18, 2023 · N377DE · Boeing 7378EH · Passenger/Crew Doors > (LOG 5063670) C2 DOOR HANDLE JAMMED, WILL NOT OPEN DOOR. DISASSEMBLED, CLEANED, LUBRICATED AND REASSEMBLED CARGO DOOR HANDLE MECHANISM PER B737 AMM 52-31. DOOR OPS NML. OKAY FOR SVC. REINSTALLED ACCESS COVERS ON DOOR AND PRESSURE CHECKED. NO LEAKS NOTED. - [SDR DALA2023010600097](https://openairdocs.org/sdr/DALA2023010600097.md): Stringer · damaged · Jan 2, 2023 · N377DE · Boeing 7378EH · Fuselage Main, Longeron/Stringer > DURING INSPECTION FOUND S-21L DAMAGED AT STA 500D. PERFORMED STRINGER REPAIR ON S-21L FWD OF STA 500D TO FWD OF STA 500E IAW B737 SRM 53-00-03-2R. - [SDR DALA2023010600096](https://openairdocs.org/sdr/DALA2023010600096.md): Skin · handler error · Jan 2, 2023 · N377DE · Boeing 7378EH · Standard Practices/Structures > BAG CART HIT A/C ON LEFT SIDE STA 500D S-21L. DAMAGE BETWEEN STA 500C TO 500E ALONG S-21L. PERFORMED REPAIR PER PRI 604740-14 REV 0,1,2. TASK OF PRI 604740-14 REV 0,1,2. - [SDR DALA2022092906393](https://openairdocs.org/sdr/DALA2022092906393.md): Transmitter · inoperative · Sep 28, 2022 · N377DE · Boeing 7378EH · Trailing Edge Flap Control System > SHIP 3777 -FCNT/DE- DECLARED EMERGENCY DUE TO FLAP ASYMMETRY ON APPROACH. CORRECTIVE ACTION: PERFORMED FSEU BITE PROCEDURE. IDENTIFIED FAULT CODE 27-52260 (TE FLAP SNSR R). ALSO FOUND LEFT FLAP POSITION TRANSMITTER OUT OF RIG. REPLACED LT/RT FLAP POSITION TRAN - [SDR DALA2022021701051](https://openairdocs.org/sdr/DALA2022021701051.md): None · none · Feb 16, 2022 · N377DE · Boeing 7378EH · Fuselage Floor Panel > (LOG 2123388) DURING INSPECTION FOUND CORROSION ON RH SIDE PLATE BTW STA 767 TO 787 AT AFT CARGO COMPARTMENT. C2.RH SIDE PLATE BTW STA 767 TO 787 AT AFT CARGO COMPARTMENT WAS REPLACED PER B737-800 SRM 51-40-02-0G. - [SDR DALA2022021701050](https://openairdocs.org/sdr/DALA2022021701050.md): None · none · Feb 15, 2022 · N377DE · Boeing 7378EH · Fuselage Floor Panel > (LOG 2122933) DURING INSPECTION FOUND CORROSION ON WEB FROM 796 TO 847 AT AFT CARGO COMPARTMENT ENTRY. C2. WEB WAS REPLACED PER B737-800 SRM 51-40-02-0G. - [SDR DALA2022020700747](https://openairdocs.org/sdr/DALA2022020700747.md): None · none · Feb 4, 2022 · N377DE · Boeing 7378EH · Fuel Storage > (LOG 2110372) DURING INSPECTION FOUND CORROSION ON FUEL TANK ACCESS DOOR 633 CB,632AB, 532 BB,532NB,532DB,532MB. CORROSION ON FUEL TANK ACCESS DOOR 633 CB,632AB,532 BB,532NB,532DB,532MB, WAS REMOVED PER B737-800 SRM 51-10-02. - [SDR DALA2022020700746](https://openairdocs.org/sdr/DALA2022020700746.md): None · none · Feb 4, 2022 · N377DE · Boeing 7378EH · Fuel Storage > (LOG 2110359) DURING INSPECTION FOUND CORROSION AT ACCES DOOR 532QB. CORROSION ON FUEL TANK ACCESS DOOR: 532QB WAS REMOVED B737-800 SRM 51-10-02. - [SDR DALA2021112907297](https://openairdocs.org/sdr/DALA2021112907297.md): Battery Pack · inoperative · Nov 26, 2021 · N377DE · Boeing 7378EH · Emergency Lighting > (LOG 8083707) DURING INSPECTION FOUND 3 EA CABIN OVERHEAD EMERGENCY LIGHTS INOP. REPLACED PWR SUPPLY AND BATTERY PACK M2335 AND TESTED PER B737 AMM 33-51-06. - [SDR DALA2021031901567](https://openairdocs.org/sdr/DALA2021031901567.md): Sensor · inoperative · Mar 18, 2021 · N377DE · Boeing 7378EH · Trailing Flap Position Indicating System > SHIP 3777 -MISC/DE- DUE TO FLAPS WILL NOT EXTEND ON APPROACH. CORRECTIVE ACTION: FSEU BITE CHECK FAULT CODE 27-52259 (TE FLAP SENSOR L) REPORTED. REPLACED LEFT FLAP POSITION SENSOR. OPS CHECKS GOOD. FOUND FLAP POSITION INDICATOR N54 BAD. REPLACED SAME. PERFORM - [SDR DALA2021011900349](https://openairdocs.org/sdr/DALA2021011900349.md): Battery · inoperative · Jan 16, 2021 · N377DE · Boeing 7378EH · Emergency Lighting > DURING INSPECTION FOUND ALL EMERGENCY LIGHTS OUT AT OVER WING EMERGENCY EXIT ROWS. FOUND BATTERY AT ROW 17DEF INOPERABLE. REMOVED AND REPLACED BATTERY AT ROW 17DEF, PER 737 AMM 33-51-06 TEST OK. - [SDR DALA2021011900338](https://openairdocs.org/sdr/DALA2021011900338.md): Battery Pack · inoperative · Jan 16, 2021 · N377DE · Boeing 7378EH · Emergency Lighting > DURING INSPECTION FOUND EMERGENCY LIGHTS OUT AT OVER WING EMERGENCY ROW. FOUND BATTERY AT ROW 17DEF INOPERABLE. REMOVED AND REPLACED BATTERY AT ROW 17DEF, PER B737 AMM 33-51-06 TEST OK. - [SDR DALA2020091803121](https://openairdocs.org/sdr/DALA2020091803121.md): Battery Pack · inoperative · Sep 18, 2020 · N377DE · Boeing 7378EH · Emergency Lighting > DURING INSPECTION FOUND ROWS RT 10-15 EMERGENCY LIGHTS INOPERATIVE. REMOVED AND REPLACED BATTERY PACK M1676, IAW B737 AMM 33-51. OPS CHECK NORMAL. - [SDR DALA2020051302387](https://openairdocs.org/sdr/DALA2020051302387.md): Battery Pack · discharged · May 8, 2020 · N377DE · Boeing 7378EH · Emergency Lighting > OVERHEAD EMERGENCY LIGHTS AT ROW 18 ABC AND 27 ABC ARE INOPERATIVE. REPLACED LIGHT BATTERY PACK M1670. SYSTEM OPERATION IS NORMAL. - [SDR DALA2020050502356](https://openairdocs.org/sdr/DALA2020050502356.md): Battery · discharged · May 3, 2020 · N377DE · Boeing 7378EH · Emergency Lighting > FOUND EMERGENCY LIGHT BATTERY PACK M1673 INOPERATIVE. REPLACED BATTERY. SYSTEM OPERATION IS NORMAL. - [SDR DALA2020050502352](https://openairdocs.org/sdr/DALA2020050502352.md): Battery Pack · discharged · May 2, 2020 · N377DE · Boeing 7378EH · Emergency Lighting > AFT ROW EXIT EMERGENCY LIGHTS AND LEFT ROW LIGHT INOPERATIVE DURING SERVICE CHECK. REPLACED BATTERY PACK. SYSTEM OPERATION IS NORMAL. - [SDR DALA2020041002235](https://openairdocs.org/sdr/DALA2020041002235.md): Battery Pack · discharged · Apr 9, 2020 · N377DE · Boeing 7378EH · Emergency Lighting > (LOG 6944429) EMERGENCY SEAT LIGHTS NOT TESTING AT ROWS 19 THRU 22. REPLACED EMERGENCY LIGHT BATTERY PACK AT SEAT 23 M16T1 PER B737 AMM 33-51. OPS TEST OK. - [SDR DALA2020040602183](https://openairdocs.org/sdr/DALA2020040602183.md): Control Valve · faulty · Apr 2, 2020 · N377DE · Boeing 7378EH · Cabin Cooling System > 3777 - DIV DIVERTING TO LAX DUE TO FLT DECK TEMP BEING HOT. MAINTENANCE REPLACED LEFT PARK MIX MUFF DUCT CLAMPS PER AMM 21-51. ALSO REPLACED TRIM AIR VALVE AND LEFT PACK TEMP CONTROL VALVE PER AMM 21-61.OPERATIONAL CHECK OK. - [SDR DALA2019082805051](https://openairdocs.org/sdr/DALA2019082805051.md): Light · inoperative · Aug 24, 2019 · N377DE · Boeing 7378EH · Emergency Lighting > DURING INSPECTION FOUND EMERGENCY AISLE LIGHT ABOVE ROW 1 INOPERATIVE. REMOVED AND REPLACED EMER LIGHT ASSY ABOVE ROW 1 PER B717 AMM 33-22 OP CKS GOOD. - [SDR DALA2019051302996](https://openairdocs.org/sdr/DALA2019051302996.md): Chiller · malfunctioned · May 10, 2019 · N377DE · Boeing 7378EH · Buffet/Galleys > (LOG 5768692) FLT CREW REPORTED AN ELECTRICAL SMELL COMING FROM FWD GALLEY NEAR CHILLER. REPLACED FWD GALLEY CHILLER PER AMM 25-31. OPS NORMAL. - [SDR DALA2018112986910](https://openairdocs.org/sdr/DALA2018112986910.md): Skin · damaged · Nov 27, 2018 · N377DE · Boeing 737800* · Galley Doors > (LOG 0843144) DURING INSPECTION FOUND EXISTING RE-WORK EXTERNAL SKIN AFT LOWER CORNER LOC. AT AFT GALLEY DOOR AT UPPER FUSELAGE. MAINTENANCE REPAIRED EXTERNAL SKIN AFT LOWER CORNER LOC. AT AFT GALLEY DOOR AT UPPER FUSELAGE ASPER ER/A 573312-14 REV. ORIGINAL AN - [SDR DALA2018012400412](https://openairdocs.org/sdr/DALA2018012400412.md): Handle · out of position · Jan 23, 2018 · N377DE · Boeing 7378EH · Passenger/Crew Doors > FA REPORTED THAT FORWARD ENTRY DOOR HANDLE DISPLACED APPROXIMATELY.750 INCHES FROM THE SEATED POSITION IN FLIGHT. HANDLE RETURNED TO NORMAL SEATED CLOSED POSITION ON LANDING. OPEN AND CLOSED DOOR SEVERAL TIMES. NO TROUBLE FOUND. DOOR LOCKS NORMAL. - [SDR DALA2017050503580](https://openairdocs.org/sdr/DALA2017050503580.md): Skin · cracked · May 4, 2017 · N377DE · Boeing 737800* · Fuselage Main, Plate/Skin > DURING INSPECTION, FOUND A CRACK ON EXTERNAL SKIN BS 1088 + 13, STRINGER 20R. MAINTENANCE PERFORMED A PERMANENT REPAIR IAW SRM 53-80-01, REPAIR 1. - [SDR DALA2017033002607](https://openairdocs.org/sdr/DALA2017033002607.md): Web · bent · Mar 29, 2017 · N377DE · Boeing 737800* · Fuselage Floor Panel > DURING INSPECTION, FOUND INTERCOSTAL WEB AT FLOOR LEVEL AFT BULKHEAD AT FWD CARGO BAY, BS 520 TO 500I, RBL 5 BENT. MAINTENANCE REPLACED INTERCOSTAL WEB IAW SRM 51-10-02, ITEM 9, SRM 51-40-02, AND DWG 143A7902, REV A. ## 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 = 'N377DE' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N377DE/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.