# Service difficulty reports: N2644U A list on [N2644U](https://openairdocs.org/aircraft/N2644U.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR CALA2026102120491](https://openairdocs.org/sdr/CALA2026102120491.md): Door · disconnected · Oct 16, 2026 · N2644U · Boeing 777300ER · Landing Gear Doors > CREW AIR RETURNED DUE TO LOUD RATTLING NOISE AND VIBRATION IN FLT DECK LOGPAGE UPDATED FOR SDR REPORTING. THE LT NLG AFT DOOR WAS FOUND DISCONNECTED FROM ACTUATOR ROD AND DAMAGED, CAUSING LANDING GEAR DOOR TO FLAP IN FLIGHT CAUSING THE NOISE AND VIBRATION ISSU - [SDR CALA2026050515995](https://openairdocs.org/sdr/CALA2026050515995.md): Battery · no test · May 1, 2026 · N2644U · Boeing 777300ER · Emergency Lighting > DR 3L M33301 EMER LT BATTERY CAPACITY CHECK FAIL. EMERGENCY LT BATTERY CAPACITY CHECK FAILED. BATTERY REPLACED AND CHECKED NORMAL AS PER AMM33-51-06 - [SDR CALA2026050515993](https://openairdocs.org/sdr/CALA2026050515993.md): Battery · no test · May 1, 2026 · N2644U · Boeing 777300ER · Emergency Lighting > DR 4L M33406 EMER LT BATTERY CAPACITY CHECK FAIL. EMERGENCY LT BATTERY CAPACITY CHECK FAILED. BATTERY REPLACED AND CHECKED NORMAL AS PER AMM33-51-06. - [SDR CALA2026050515991](https://openairdocs.org/sdr/CALA2026050515991.md): Battery · faulted · May 1, 2026 · N2644U · Boeing 777300ER · Emergency Lighting > DR 5L M33407 EMER LT BATTERY CAPACITY CHECK FAIL. DR3L M33407 EMERGENCY LT BATTERY CAPACITY CHECK FAILED. BATTERY REPLACED AND CHECKED NORMAL IAW AMM 33-51-06. - [SDR CALA2026050515989](https://openairdocs.org/sdr/CALA2026050515989.md): Battery · faulty · May 1, 2026 · N2644U · Boeing 777300ER · Emergency Lighting > DR 3L M33303 EMER LT BATTERY CAPACITY CHECK FAIL. DR3L M33304 EMERGENCY LT BATTERY CAPACITY CHECK FAILED. BATTERY REPLACED AND CHECKED NORMAL AS PER AMM33-51-06 - [SDR CALA2026050515987](https://openairdocs.org/sdr/CALA2026050515987.md): Battery · faulty · May 1, 2026 · N2644U · Boeing 777300ER · Emergency Lighting > DR 3R M33304 EMER LT BATTERY CAPACITY CHECK FAIL. DR3L M33304 EMERGENCY LT BATTERY CAPACITY CHECK FAILED. BATTERY REPLACED AND CHECKED NORMAL AS PER AMM33-51-06 - [SDR CALA2026050515985](https://openairdocs.org/sdr/CALA2026050515985.md): Battery · faulty · May 1, 2026 · N2644U · Boeing 777300ER · Emergency Lighting > DR 2R M22098 EMER LT BATTERY CAPACITY CHECK FAIL. EMERGENCY LT BATTERY CAPACITY CHECK FAIL, BATTERY REPLACED AND CHECK NORMAL AS PER AMM 33-51-06, DR 2R EMER LT BATTERY REPLACED AS PER AMM 33-51-06. - [SDR CALA2026050515978](https://openairdocs.org/sdr/CALA2026050515978.md): Battery · no test · May 1, 2026 · N2644U · Boeing 777300ER · Emergency Lighting > L4 DOOR M33405 EMERGENCY LIGHT BATTERY CAPACITY CHECK FAIL. DOOR L3 M33405 EMERGENCY LT BATTERY CAPACITY CHECK FAIL. BATTERY REPLACED AND CHECKED NORMAL IAW AMM 33-51-06, DOOR L4 EMERGENCY LIGHT BATTERY REPLACED IAW AMM 33-51-06. - [SDR CALA2026043015894](https://openairdocs.org/sdr/CALA2026043015894.md): Battery · no test · Apr 29, 2026 · N2644U · Boeing 777300ER · Emergency Lighting > DOOR 2L M33096 EMER LT BATTERY TEST FAIL, DOOR 2L M33096 EMERGENCY LIGHT BATTERY REPLACED AND TESTED NORMAL AS PER AMM33-51-06. - [SDR CALA2026043015892](https://openairdocs.org/sdr/CALA2026043015892.md): Charger · no test · Apr 29, 2026 · N2644U · Boeing 777300ER · Emergency Lighting > DOOR 2R M33097 BATTERY CHARGER TEST FAILED, THE CHARGER WAS REPLACED AND TESTED NORMAL IAW AMM33-51-06. - [SDR CALA2026043015890](https://openairdocs.org/sdr/CALA2026043015890.md): Battery · no test · Apr 29, 2026 · N2644U · Boeing 777300ER · Emergency Lighting > DOOR 2R M33097 EMERGENCY LIGHT BATTERY CAPACITY CHECK FAILED, THE BATTERY WAS REPLACED AND TESTED NORMAL IAW AMM 33-51-06. - [SDR CALA2026040615090](https://openairdocs.org/sdr/CALA2026040615090.md): Oven · faulted · Apr 3, 2026 · N2644U · Boeing 777300ER · Buffet/Galleys > OVEN 705 HAD A BURNING ELECTRICAL ODOR. OVEN OFF & SECURED. NO SMELL, REMOVED OVEN CHK BRACKET IS CLEAN. WIRE BUNDLE CLEARANCE IS ENOUGH, RECEPTACAL IS NML AS WELL. SVC REQ'D SHOW ON INDICATOR AFTER 2 MINS WARM UP. PULL OUT CB. PLACARDED INOP. REMOVED A - [SDR CALA2026013013440](https://openairdocs.org/sdr/CALA2026013013440.md): Valve · stuck · Jan 28, 2026 · N2644U · Boeing 777300ER · Waste Disposal System > LAVATORY 4G SINK BOWL FULL OF GREY WATER AND OVERFLOWING, FOWL ODOR THROUGH OUT CABIN. TROUBLESHOT SYS. RESTRICTOR VALVE DEACTIVATED OPEN LOCKED FOR REPAIR UNLOCKING LAV 4G SINK BOWL OPS CHECK GOOD, NO OVERFLOW IAW AMM 38-31-00. - [SDR CALA2026010212574](https://openairdocs.org/sdr/CALA2026010212574.md): Fan · odor · Dec 31, 2025 · N2644U · Boeing 777300ER · Air Distribution Fan > SMOKE ODOR CONDITIONAL INSP REQUIRED PER AMM 05-51-XX DUE TO AN INCIDENT REPORTED BY THE CREW. REF LP 7458681 COMPLIED AMM TASK 05-51-58-800-801-C3 WITH CMC MSG 21-24700 VISUAL CHECK AND DEACTIVATED LOWER RIGHT RECIRCULATING FAN. OPERATE AIR CONDITIONING ON GR - [SDR CALA2025090408480](https://openairdocs.org/sdr/CALA2025090408480.md): Probe · faulted · Sep 4, 2025 · N2644U · Boeing 777300ER · Fuel Indicating System > DURING CLIMBOUT HAD INDICATION OF POSS FUEL LEAK SHOWED 8K LOSS REQUEST TO MEL. INSPECTED AIRCRAFT UPON ARRIVAL. NO FUEL LEAKS NOTED. RIGHT FUEL QTY INDICATION INOP PROBE #24 AT FAULT PLACARD INSTALLED. REPLACED PROBE #24 REF AMM 28-41-02-400-801 CHECKED SAFE - [SDR CALA2025031100484](https://openairdocs.org/sdr/CALA2025031100484.md): Battery · discharged · Mar 10, 2025 · N2644U · Boeing 777300ER · Emergency Lighting > SUPPORT TASK - DR1 LH EMER PWR PACK (M33093) CAPACITY LOW. DR1 LH EMER PWR PACK (M33093) REPLACED AND TEST NORMAL AS PER AM M 33-51-06. - [SDR CALA2023122603734](https://openairdocs.org/sdr/CALA2023122603734.md): Converter · vibration · Dec 22, 2023 · N2644U · Boeing 777 · Windshield/Door Rain/Ice Removal > LEFT WINDSHIELD WIPER VIOLENTLY VIBRATED AGAINST WINDSCREEN REMOVED CAPTAIN'S SIDE WIPER MOTOR/CONVERTER. REF AMM 30-42-03-000-802. INSTALLED WINDSHIELD WIPER MOTOR, ARM AND BLADE REF AMM 30-42-03 - [SDR CALA2023071002204](https://openairdocs.org/sdr/CALA2023071002204.md): Battery · discharged · Jul 7, 2023 · N2644U · Boeing 777* · Emergency Equipment > FLASH LT RED LT FLASHING ON THE F/A SEAT OF DR 3L. PART NIS AT TPE,NEEDS BATT PACK 1 EA,M&E:78-2525-3-0058. INOPERATIVE STICKER APPLIED,PLACED ON MEL. TOMC APPROVES DR 3L CABIN FLASHLIGHT HOLDER(S) / FLASHLIGHT(S) MISSING OR INOPERATIVE PER MEL 2564B - [SDR CALA2023060701769](https://openairdocs.org/sdr/CALA2023060701769.md): Battery · unknown · Jun 6, 2023 · N2644U · Boeing 777300ER · Emergency Lighting > OFAR BACKUP LIGHT POWER SUPPLY TEST FOUND THE BATTERY PACK(M3314 3) CAN NOT BE CHARGED REF TO HAECO NON-ROUTINE NO.9459962, ORIGI NATED BY EMP V907748, SPEC NO.B777-33-3-7005. PERFORMED BY EMP V907748 AND IDY BY EMP V903172 - REPLACED THE B ATTERY PACK M33143 - [SDR CALA2022111403122](https://openairdocs.org/sdr/CALA2022111403122.md): Rod · unknown · Nov 11, 2022 · N2644U · Boeing 777 · Doors > PDA 2 PDA FOR LOW PRESSURE CONDITIONED AIR ACCESS DOOR HOLD OPEN ROD. PART OF HOLD OPEN ROB BELIEVED TO HAVE DEPARTED AIRCRAFT. R4EF LOG 3055467 IAW GMM 02-30-95 PDA DOCUMENTED SDR FLAGGED. PART OF LOW PRESSURE CONDITIONED AIR ACCESS DOOR HOLD OPEN ROD MISSIN - [SDR CALA2021110802058](https://openairdocs.org/sdr/CALA2021110802058.md): Light · inoperative · Nov 7, 2021 · N2644U · Boeing 777300ER · Lighting System > SUPPORT TASK - SEAT 12D FLOOR PROXIMITY EMERG LIGHT FOUND INOP TRANSFER REF. NON - ROUTINE LP9130379 AND ORIGINATED BY EMP V897810 12D FLOOR PROXIMITY EMER LT ASSY REPLACED AND TEST NORMAL REF AMM33-51-05 WORK ACCOMPLISHED BY MECHANIC V897794 INSPECTED BY V907 - [SDR CALA2018021600614](https://openairdocs.org/sdr/CALA2018021600614.md): Bulb · inoperative · Feb 14, 2018 · N2644U · Boeing 777300ER · Emergency Lighting > DURING AN A CHECK, FOUND SEAT 34D, 11D, AND 47D EMERGENCY LIGHTS INOPERATIVE. REPLACED THE BULBS. - [SDR CALA2018020200459](https://openairdocs.org/sdr/CALA2018020200459.md): Light · unknown · Feb 2, 2018 · N2644U · Boeing 777300ER · Emergency Lighting > FA ALERTED COCKPIT THAT THE EMERGENCY EXIT LIGHTS ILLUMINATED FOR A MINUTE. CYCLED AIRCRAFT POWER, OP TEST EMERGENCY LIGHT SWITCH IN THE FLIGHT DECK, OP CHECKED GOOD. ## 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 = 'N2644U' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N2644U/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.