# Service difficulty reports: N2142U A list on [N2142U](https://openairdocs.org/aircraft/N2142U.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR CALA2026091419395](https://openairdocs.org/sdr/CALA2026091419395.md): Battery Pack · faulted · Sep 12, 2026 · N2142U · Boeing 777300ER · Emergency Equipment > FOUND OFAR & FA SEAT WITH AFT OF DR 1 RT & FWD OF DR 1 L/H & AFT OF DR 1 L/H & FWD OF DR 2 L/H & AFT OF DR 2 L/H & AFT OF DR 2 R/H & FWD OF DR 3 R/H & AFT OF DR 5 L/H & AFT OF DR 5 R/H & FWD OF DR 5 - CL R/H TOTAL 11EA EMERGENCY FLASHLIGHT BATTERIES WERE OVER - [SDR CALA2026081018430](https://openairdocs.org/sdr/CALA2026081018430.md): Battery Pack · no test · Aug 10, 2026 · N2142U · Boeing 777300ER · Emergency Equipment > FOUND R4 FLASHLIGHT NOT TESTING. REPLACED FLASHLIGHT BATTERY IAW AMM 25-64-01, OPS CHECKED OK - [SDR CALA2026042715731](https://openairdocs.org/sdr/CALA2026042715731.md): Battery · discharged · Apr 24, 2026 · N2142U · Boeing 777300ER · Emergency Equipment > EMERGENCY FLASHLIGHT AT F/A SEAT AT DOOR 3R REQUIRES REPLACEMENT. PUSH TO TEST SHOWS RED LIGHT. REMOVED AND REPLACED EMERGENCY FLASHLIGHT AT F/A SEAT AT DOOR 3R REF AMM 25-64-01. PUSH TO TEST OK. - [SDR CALA2026042015512](https://openairdocs.org/sdr/CALA2026042015512.md): Battery Pack · no test · Apr 18, 2026 · N2142U · Boeing 777300ER · Emergency Lighting > EMERGENCY LIGHT BATTERY PACK M33097,ABOVE DR 2R CTR, FAILED DEEP CAPACITY TEST. EMER LIGHT BATTERY PACK (M33097) REPLACED IAW AMM 33-51-06. INSTALLATION TEST PERFORMED IAW AMM 33-51-06 SATISFACTORY. - [SDR CALA2026042015510](https://openairdocs.org/sdr/CALA2026042015510.md): Battery Pack · no test · Apr 17, 2026 · N2142U · Boeing 777300ER · Emergency Lighting > EMERGENCY LIGHT BATTERY PACK M33404,ABOVE DR 4R FWD, FAILED DEEP CYCLE CAPACITY TEST. EMER LIGHT BATTERY PACK (M33404) REPLACED IAW AMM 33-51-06. INSTALLATION TEST PERFORMED IAW AMM 33-51-06 SATISFACTORY. - [SDR CALA2026042015508](https://openairdocs.org/sdr/CALA2026042015508.md): Battery Pack · no test · Apr 17, 2026 · N2142U · Boeing 777300ER · Emergency Lighting > EMERGENCY LIGHT BATTERY PACK M33407,ABOVE DR 5L, FAILED DEEP CYCLE CAPACITY TEST. EMER LIGHT BATTERY PACK (M33407) REPLACED IAW AMM 33-51-06. INSTALLATION TEST PERFORMED IAW AMM33-51-06 SATISFACTORY. - [SDR CALA2026042015506](https://openairdocs.org/sdr/CALA2026042015506.md): Battery Pack · no test · Apr 17, 2026 · N2142U · Boeing 777300ER · Emergency Lighting > EMERGENCY LIGHT BATTERY PACK M33409,ABOVE DR 5R AFT, FAILED DEEP CYCLE CAPACITY TEST. EMER LIGHT BATTERY PACK (M33409) REPLACED IAW AMM33-51-06. INSTALLATION TEST PERFORMED IAW AMM 33-51-06 SATISFACTORY. - [SDR CALA2026042015504](https://openairdocs.org/sdr/CALA2026042015504.md): Battery Pack · no test · Apr 17, 2026 · N2142U · Boeing 777300ER · Emergency Lighting > EMERGENCY LIGHT BATTERY PACK M33408,ABOVE DR 5R FWD, FAILED DEEP CYCLE CAPACITY TEST. EMER LIGHT BATTERY PACK (M33408) REPLACED IAW AMM33-51-06. INSTALLATION TEST PERFORMED IAW AMM 33-51-06 SATISFACTORY. - [SDR CALA2026042015502](https://openairdocs.org/sdr/CALA2026042015502.md): Battery Pack · no test · Apr 17, 2026 · N2142U · Boeing 777300ER · Emergency Lighting > EMERGENCY LIGHT BATTERY PACK M33401,ABOVE DR 4R AFT, FAILED DEEP CYCLE CAPACITY TEST. EMER LIGHT BATTERY PACK (M33401) REPLACED AS PER AMM33-51-06. INSTALLATION TEST PERFORMED AS PER AMM33-51-06 SATISFACTORY. - [SDR CALA2026042015500](https://openairdocs.org/sdr/CALA2026042015500.md): Battery Pack · no test · Apr 17, 2026 · N2142U · Boeing 777300ER · Emergency Lighting > EMERGENCY LIGHT BATTERY PACK M33305,ABOVE DR 3R CTR, FAILED DEEP CYCLE CAPACITY TEST. EMER LIGHT BATTERY PACK (M33305) REPLACED AS PER AMM33-51-06. INSTALLATION TEST PERFORMED AS PER AMM33-51-06 SATISFACTORY. - [SDR CALA2026042015498](https://openairdocs.org/sdr/CALA2026042015498.md): Battery Pack · no test · Apr 17, 2026 · N2142U · Boeing 777300ER · Emergency Lighting > EMERGENCY LIGHT BATTERY PACK M33098,ABOVE DR 2R AFT, FAILED DEEP CYCLE CAPACITY TEST. EMER LIGHT BATTERY PACK (M33098) REPLACED AS PER AMM33-51-06. INSTALLATION TEST PERFORMED IAW AMM 33-51-06 SATISFACTORY. - [SDR CALA2026042015495](https://openairdocs.org/sdr/CALA2026042015495.md): Battery Pack · no test · Apr 17, 2026 · N2142U · Boeing 777300ER · Emergency Lighting > EMERGENCY LIGHT PACK, M33099, ABOVE DR 2L AFT, FAILED DEEP CYCLE CAPACITY TEST. EMER LIGHT BATTERY PACK (M33099) REPLACED AS PER AMM33-51-06. INSTALLATION TEST PERFORMED IAW AMM33-51-06 SATISFACTORY. - [SDR CALA2026042015493](https://openairdocs.org/sdr/CALA2026042015493.md): Battery Pack · no test · Apr 17, 2026 · N2142U · Boeing 777300ER · Emergency Lighting > EMERGENCY LIGHT BATTERY PACK M33096, ABOVE DR 2L FWD, FAILED DEEP CYCLE CAPACITY TEST. EMER LIGHT BATTERY PACK (M33096) REPLACED AS PER AMM33-51-06. NSTALLATION TEST PERFORMED AS PER AMM33-51-06 SATISFACTORY. - [SDR CALA2026041915467](https://openairdocs.org/sdr/CALA2026041915467.md): Battery Pack · no test · Apr 17, 2026 · N2142U · Boeing 777300ER · Emergency Lighting > EMERGENCY LIGHT BATTERY PACK (M33094) FAILED DEEP CYCLE CAPACITY TEST. EMERGENCY LIGHT BATTERY PACK (M33094) REPLACED IAW AMM33-51-06. INSTALLATION TEST PERFORMED IAW AMM 33-51-06 SATISFACTORY. - [SDR CALA2026012613265](https://openairdocs.org/sdr/CALA2026012613265.md): Housing · damaged · Jan 26, 2026 · N2142U · Boeing 777300ER · Emergency Lighting > EMERGENCY LIGHT AT 50D DAMAGED, FOUND 50D EMERGENCY LIGHTS BROKEN AND ITS HOUSING DAMAGED. TEMPORARILY SECURED AND DEFERRED IAW MEL 3351S. FLOOR PROXY EMERGENCY LIGHT INOPERATIVE AT 50D. REPLACED THE LIGHT HOUSING & LIGHT ASSY. LIGHT OPS CHECKS GOOD IAW AMM - [SDR CALA2025110510913](https://openairdocs.org/sdr/CALA2025110510913.md): Guard · unsecure · Nov 5, 2025 · N2142U · Boeing 777300ER · Emergency Lighting > EMERGENCY LIGHT SWITCH GUARD IS LOOSE SECURED EMERGENCY LIGHT SWITCH GUARD. - [SDR CALA2025082708167](https://openairdocs.org/sdr/CALA2025082708167.md): Light · inoperative · Aug 24, 2025 · N2142U · Boeing 777300ER · Emergency Lighting > EMERGENCY LIGHTS - OPERATIONAL TEST WITH THE TEST SWITCHES PROCEDURE - DURING THIS TASK, FOUND DOOR4 LEFT SIDE EMERGENCY LIGHT INOP. RPLED PER AMM 33-51-04/401, AND FUNCTION CHK NML. RPLED PER AMM 33-51-04/401, AND FUNCTION CHK NML. - [SDR CALA2024100700763](https://openairdocs.org/sdr/CALA2024100700763.md): Oven · dirty · Oct 4, 2024 · N2142U · Boeing 777300ER · Buffet/Galleys > MID GALLEY OVEN FIRE. REQUEST NEF OVEN 408 OVEN 408 EMITTED SMOKE, CONFIRMED OVEN 408 FOUND WITH CARAMEL ON HEATING ELEMENT/FAN. PERFORMED CONDITIONAL INSPECTION 05-51-58-800-801-C3. ALL OTHER OVENS / COFFEEMAKERS PERFORMED NORMALLY. NOC OK TO DEFER OVE - [SDR CALA2024031900791](https://openairdocs.org/sdr/CALA2024031900791.md): Rivet · missing · Mar 15, 2024 · N2142U · Boeing 777300ER · Trailing Edge Flaps > LEFT WING #4 FLAP AFT FAIRING OUTBOARD TOTAL 20EA RIVETS MISSING OR LOOSE. RIGHT WING #5 FLAP AFT FAIRING OUTBOARD TOTAL 20EA RIVETS MISSING OR LOOSE. INBOARD TOTAL 10EA RIVETS MISSING OR LOOSE. ABOVE FAIRING POSITION IS LEFT WING #3 FLAP AFT FAIRING. ACPD PER - [SDR CALA2024012400223](https://openairdocs.org/sdr/CALA2024012400223.md): Fan · failed · Jan 22, 2024 · N2142U · Boeing 777300ER · Air Distribution Fan > CARGO VENT FAN BULK EICAS STATUS FAILURE OF BULK CARGO VENTILATION FAN. FIM TASK REF: FIM TASK REFERENCE NOT FOUND CMC MSG# 2111013 FLIGHT STATUS: L INTERMITTENCE CODE: M PH: CRUISE NARRATIVE: ECSMC (LEFT) UPDATED MAA CODE FIX USING VENDOR MAA SCREEN PLEASE C - [SDR CALA2023071202226](https://openairdocs.org/sdr/CALA2023071202226.md): Battery · failed · Jul 11, 2023 · N2142U · Boeing 777300ER · Emergency Lighting > SUPPORT TASK-DR L1 M33093 EMER LIGHT BATTERY CAPACITY LOW. TRANSFER REFER NON-ROUTINE WO.1933493. DR L1 M33093 EMER LIGHT BATTERY REPLACED AND TESTED NORMAL AS PER AMM 33-51-06. - [SDR CALA2023071202225](https://openairdocs.org/sdr/CALA2023071202225.md): Charger · failed · Jul 11, 2023 · N2142U · Boeing 777300ER · Emergency Lighting > B777-33-3-7019 R4 DOOR M33401 EMER BATT CHARGER FAIL. TRANSFER REFER NON-ROUTINE WO.1924221 DR R4 M33401 EMER LIGHT BATTERY CHARGER REPLACED AND TESTED NORMAL AS PER AMM 33-51-06. - [SDR CALA2023071202224](https://openairdocs.org/sdr/CALA2023071202224.md): Battery · failed · Jul 11, 2023 · N2142U · Boeing 777300ER · Emergency Lighting > B777-33-3-7019 DR R2 M33098 EMER LIGHT BATTERY TEST FAIL. TRANSFER REFER NON-ROUTINE WO.1926108. DR R2 M33098 EMER LIGHT BATTERY REPLACED AND TESTED NORMAL AS PER AMM 33-51-06. - [SDR CALA2023071202223](https://openairdocs.org/sdr/CALA2023071202223.md): Battery · failed · Jul 11, 2023 · N2142U · Boeing 777300ER · Emergency Lighting > B777-33-3-7019 DR L4 M33406 EMER LIGHT BATTERY TEST FAIL. TRANSFER REFER NON-ROUTINE WO.1926110. DR L4 M33406 EMER LIGHT REPLACED AND TESTED NORMAL AS PER AMM 33-51-06. - [SDR CALA2020053101000](https://openairdocs.org/sdr/CALA2020053101000.md): Battery · discharged · May 28, 2020 · N2142U · Boeing 777300ER · Emergency Lighting > THE LT DOOR 1 EMERGENCY LIGHT BATTERY M33093 CAPACITY IS LOW REF ER NON-ROUTINE NR 9413719. SPEC NR B7 77-33-3-7019. - [SDR CALA2020053100999](https://openairdocs.org/sdr/CALA2020053100999.md): Battery · discharged · May 28, 2020 · N2142U · Boeing 777300ER · Emergency Lighting > THE RT DR2 EMERGENCY LIGHT BATTERY M33097 CAPACITY IS LOW REF ER NON-ROUTINE NR 9413718, SPEC NR B7 77-33-3-7019. - [SDR CALA2018062101455](https://openairdocs.org/sdr/CALA2018062101455.md): Connector · loose · Jun 10, 2018 · N2142U · Boeing 777300ER · Light System Wiring > DURING A CHECK, FOUND THE SEAT MOUNT EMERGENCY LIGHT NOT ILLUMINATING AT SEATS 40 - 45. FOUND THE EMERGENCY LIGHT CONNECTOR LOOSE AT SEAT 45FG, THE CONNECTOR SECURED AND OPS CHECKED GOOD IAW AMM 33-51-00. - [SDR CALA2018062101454](https://openairdocs.org/sdr/CALA2018062101454.md): Light · broken · Jun 10, 2018 · N2142U · Boeing 777300ER · Emergency Lighting > FOUND 2EA SEAT MOUNTED LT BROKEN ON CHECK. FOUND SEAT MOUNTED FLOOR PROXIMITY LIGHT AT ROW 44FG AN D 45FG BROKEN. LIGHT ASSY REPLACED OK IAW AMM 33-51-05. ## 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 = 'N2142U' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N2142U/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.