# Service difficulty reports: N794UA

A list on [N794UA](https://openairdocs.org/aircraft/N794UA.md).

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first.

Page 1 of 3 · 147 reports

- [SDR CALA2026101220261](https://openairdocs.org/sdr/CALA2026101220261.md): A/C Pack · faulted · Oct 9, 2026 · N794UA · Boeing 777222 · Cabin Cooling System
  > PACK MODE L EICAS. COULD SMELL ACRID ODOR AND HEAT. 4 MIN LATER RECEIVED EICAS MESSGAE. APPLED MEL 2152S, CONDITIONAL INSPECTION TASK 05-51-58-800-801-C3. NO ODOR FOUND DURING THE CHECK. MEL PROCEDURE ACCOMPLISHED IAW MEL 2152S. PERFORMED FIM 21-52 TASK
- [SDR CALA2026051116115](https://openairdocs.org/sdr/CALA2026051116115.md): Relay · faulted · May 9, 2026 · N794UA · Boeing 777222 · Air Distribution Fan
  > AHM DETECTED MMSG {21-11121 *RELAY (CHILLER BOOST FAN) IN P210 IS NOT IN COMMANDED POSITION* AFTER WORK WAS ACCOMPLISHED DUE TO A SMOKE ODOR CONDITION. REF FIM 21-26- 804 TO PERFORM STEPS G. (1)-(2). ENSURE TO REPORT ON C/B 21307 STATE AND WIRE CONDITION. REPL
- [SDR CALA2026051116107](https://openairdocs.org/sdr/CALA2026051116107.md): Fmu · faulty · May 6, 2026 · N794UA · Boeing 777222 · Fuel Controlling System
  > LEFT ENG FUEL VALVE MESSAGE. LEFT ENGINE: MESSAGE NOT LATCH RESET AND RAN ENG BLOW OUT FUMES, STARTED ENG NORMAL PARAMETERS NORMAL START, AT SHUT DOWN SMOKE ON THE TAIL AND FIRE ON THE TAIL PIPE FOR A SHORT TIME. REMOVED #1 ENG FMU REF AMM 73-21-01. REPLACED
- [SDR CALA2026042815762](https://openairdocs.org/sdr/CALA2026042815762.md): Unknown · odor · Apr 25, 2026 · N794UA · Boeing 777222 · Air Distribution System
  > SMOKE ODOR CONDITIONAL INSP REQUIRED PER AMM 05-51-XX DUE TO AN INCIDENT REPORTED BY THE CREW. REF AMM 05-51-58-800-801-C3, INITIAL INSPECTION AND OPERATIONAL CHECKS CARRIED OUT UP TO C (2) (H) ODOR MORE APPARENT FROM LT PACK THAN RT WITH APU PROVIDING PNEUM
- [SDR CALA2026050415934](https://openairdocs.org/sdr/CALA2026050415934.md): Apu · faulted · Apr 24, 2026 · N794UA · Boeing 777222 · Airborne Auxiliary Power Unit (APU) System
  > ON TAXI OUT SMOKE STARTED TO COME INTO THE COCKPIT. AFTER THAT THE LT PACK FAILED AND RAN THE CHECKLISTS. SMOKE CLEARED ONCE LT PACK WAS SECURED. FLIGHT CREW DEBRIEFED. FLIGHT CREW FOLLOWED SMOKE CHECKLIST. FLIGHT CREW FOUND LT PACK OFF LIGHT ILLUMINATED WHEN
- [SDR CALA2026042915810](https://openairdocs.org/sdr/CALA2026042915810.md): Duct · split · Apr 24, 2026 · N794UA · Boeing 777222 · Pneumatic Distribution System
  > SMOKE ODOR CONDITIONAL INSP REQUIRED PER AMM 05-51-XX DUE TO AN INCIDENT REPORTED BY THE CREW.SMOKE ODOR CONDITIONAL INSP REQUIRED PER AMM 05-51-XX DUE TO AN INCIDENT REPORTED BY THE CREW. REF AMM 05-51-58-800-801-C3, CREW DEBRIEF PER CONDITIONAL INSPECTION R
- [SDR CALA2025082007966](https://openairdocs.org/sdr/CALA2025082007966.md): Unknown · unknown · Aug 19, 2025 · N794UA · Boeing 777222 · Standard Practices/Structures
  > LOWER CREW REST SMELLS LIKE KEROSINE OUTFLOW PAX FLOW AIR IS RUNING NO EVIDENCE SMELLS OK TO CONTINUE
- [SDR CALA2025070306195](https://openairdocs.org/sdr/CALA2025070306195.md): Skin · cracked · Jul 2, 2025 · N794UA · Boeing 777222 · Passenger/Crew Doors
  > DOOR 4L DAMAGE REINSPECTION - ECRA 5210-03387 REVISED TO INCLUDE AN INSPECTION REQUIREMENT PRIOR TO EACH FLIGHT. REF ECRA 5210-03387 REV A. STEPS 11-13 FOR REINSPECT REQUIREMENTS AND LOGS 4974024 AND 4960974 FOR DAMAGE HISTORY.
- [SDR CALA2025070206138](https://openairdocs.org/sdr/CALA2025070206138.md): Battery Pack · malfunctioned · Jul 1, 2025 · N794UA · Boeing 777222 · Emergency Lighting
  > R4 DOOR AFT EMERGENCY LIGHT POWER SUPPLY M33409 BATTERY PACK FOUND MALFUNCTIONED. REPLACED R4 DOOR AFT EMERGENCY LIGHT PO WER SUPPLY M33409 BATTERY PACK AND PERFORMED NEW BATTERY PACK TE ST THE TEST RESULT NORMAL AS PER AMM 33-51-06-960-802 REV.104.
- [SDR CALA2025070206137](https://openairdocs.org/sdr/CALA2025070206137.md): Power Supply · malfunctioned · Jul 1, 2025 · N794UA · Boeing 777222 · Emergency Lighting
  > R3 DOOR FWD EMERGENCY LIGHT BATTERY PACK M33404 FOUND MALFUNCTIONED. REPLACED R3 DOOR FWD EMERGENCY LIGHT PO WER SUPPLY M33404 & BATTERY PACK THE PERFORMED NEW POWER SUPPLY AND NEW BATTERY PACK INSTALLATION TEST,THE RESULT NORMAL AS PER AMM 33-51-06-960-803 &
- [SDR CALA2025070206136](https://openairdocs.org/sdr/CALA2025070206136.md): Battery Pack · malfunctioned · Jul 1, 2025 · N794UA · Boeing 777222 · Emergency Lighting
  > R3 DOOR AFT EMERGENCY LIGHT BATTERY PACK M33401 FOUND MALFUNCTIONED. REPLACED R3 DOOR AFT EMERGENCY LIGHT PO WER SUPPLY M33401 & BATTERY PACK,THE PERFORMED NEW POWER SUPPLY AND NEW BATTERY PACK INSTALLATION TEST,THE RESULT NORMAL AS PER AMM 33-51-06-960-803 &
- [SDR CALA2025062706003](https://openairdocs.org/sdr/CALA2025062706003.md): Battery · inoperative · Jun 25, 2025 · N794UA · Boeing 777222 · Emergency Lighting
  > R1 DOOR M33094 EMERGENCY POWER SUPPLY BATTERY PACK FOUND MALFUNCTION. PERFORMED BY EMP V903218, IDT BY EMP V905467. REPLACE R1 DOOR M33094 EMERGENCY POWER SUPPLY BATTERY PACK AND C/O NEW BATTERY PACK INSTALLATION TEST. THE RESULT FOUND NORMAL AS PER AMM 33-51
- [SDR CALA2024062601896](https://openairdocs.org/sdr/CALA2024062601896.md): Hydraulic System · reads low · Jun 10, 2024 · N794UA · Boeing 777222 · Hydraulic System, Main
  > HYD QTY LOW C EICAS ADVISORY CENTER HYDRAULIC SYSTEM LOW RESERVOIR QUANTITY. HYDRAULIC INTERFACE MODULE. SERVICED HYD SYSTEM TO FULL IAW AMM 12-12-01-610-803.
- [SDR CALA2024061101773](https://openairdocs.org/sdr/CALA2024061101773.md): O-Ring · damaged · Jun 10, 2024 · N794UA · Boeing 777222 · Hydraulic Pump (Electric/Engine), Main
  > HYD LEAK COMING FOR AFT ELECTRIC HYD PUMP IN RT WHEEL WELL. REMOVED WASHER AND REPLACED DAMAGED O-RING IAW AMM 20-10-19-400-801, ACCOMPLISHED LEAK CHECK NO LEAKS NOTED. REMOVED WASHER AND REPLACED DAMAGED O-RING IAW AMM 20-10-19-400-801, ACCOMPLISHED LEAK CH
- [SDR CALA2024021500432](https://openairdocs.org/sdr/CALA2024021500432.md): Oil System · leaking · Feb 2, 2024 · N794UA · Boeing 777222 · Turbine Engine Oil System
  > ACFT ABORT TAKEOFF FOUND LH ENGINE OIL QTY DROPPED TO 5 QTS, ACFT RETURN TO GATE FOUND LARGE ENGINE OIL LEAKAGE THE LH ENGINE OIL LEAKING PICTURE ATTACHED. FLAGGING SDR REFER PREVIOUS WORK DONE AND L7040780. NO.1 ENGINE REPLACEMENT COMPLETED. LH PACK SYSTEM CO
- [SDR CALA2024020300309](https://openairdocs.org/sdr/CALA2024020300309.md): Filter · odor · Feb 1, 2024 · N794UA · Boeing 777222 · Air Distribution System
  > SMOKE AND FUMES IN COCKP IT AND CABIN IN FLIGHT DUE TO SMOKE /ODOR FOLLOW AMM 05-51-58-800-801-C3 SMOKE/ODOR IN THE FLIGHT DECK/CABIN - CONDITIONAL INSPECTION UNLOCKED FOR CLEARING AFTER INSPECTION IS DONE. HKG REPORTS SOURCE OF SMELL IS APU, SEPARATE LP WILL
- [SDR CALA2023122103708](https://openairdocs.org/sdr/CALA2023122103708.md): Battery Pack · inoperative · Dec 20, 2023 · N794UA · Boeing 777222 · Emergency Lighting
  > CABIN L3 DOOR EMERGENCY EXIT SIGN BATTERY PACK CAPACITY CHECK FAILED REF HAECO NON-ROUTINE NO.:9474247, CABIN L3 DOOR EMERGENCY EXIT SIGN BATTERY M33406 REPLACED AND INSTALLATION TEST CARRIED OUT RESULT NORMAL AS PER AMM 33-51-06-960-802 REV99.
- [SDR CALA2023122003696](https://openairdocs.org/sdr/CALA2023122003696.md): Battery · inoperative · Dec 19, 2023 · N794UA · Boeing 777222 · Emergency Lighting
  > LLAR EMERGENCY LIGHT BATTERY PACK FOUND INOP DURING TEST THE BACKUP LIGHTS. REPLACED AND INSTALLATION TEST OF LLAR EMERGENCY LIGHT BATTERY PERFORMED,RESULT NORMAL,LLAR BACK UP LIGHT TEST CARRIED OUT RESULT NORMAL AS PER AMM 33-29-01-600-801,33-51-06-960-802 R
- [SDR CALA2023122003695](https://openairdocs.org/sdr/CALA2023122003695.md): Battery · inoperative · Dec 19, 2023 · N794UA · Boeing 777222 · Emergency Lighting
  > LLAR EMERGENCY LIGHT BATTERY PACK FOUND INOP DURING TEST THE BACKUP LIGHTS REF HAECO NON-ROUTINE NO.:9474241, REPLACED AND INSTALLATION TEST OF LLAR EMERGENCY LIGHT BATTERY PERFORMED, RESULT NORMAL, LLAR BACK UP LIGHT TEST CARRIED OUT RESULT NORMAL AS PER AMM
- [SDR CALA2023121503652](https://openairdocs.org/sdr/CALA2023121503652.md): Battery · failed · Dec 14, 2023 · N794UA · Boeing 777222 · Emergency Lighting
  > CABIN R4 DOOR EMERGENCY LIGHT EXIT SIGN FAILED TO OPERATION REF HAECO NON-ROUTINE NO.:9474029, CABIN R4 DOOR EMERGENCY LIGHT BATTERY M33408 REPLACED AND INSTALLATION TEST PERFORMED AND RESULT NORMA L AS PER AMM 33-51-06-960-802 REV99
- [SDR CALA2023100602954](https://openairdocs.org/sdr/CALA2023100602954.md): Actuator · faulty · Oct 2, 2023 · N794UA · Boeing 777222 · Landing Gear Retraction/Extension System
  > MLG STEERING EICAS ADVISORY EITHER MLG AFT AXLE IS INDICATING- NOT LOCKED. LVL 1 FOR MLG STEERING CONTROL ACT RT IS UNSERVICEABLE, MSG 32-63020. MGSCU REPLACED. CONFIRMED STEERING ACT PINS NOT IN VIEW & SELECTOR LEVERS MOVED TO LOCKED POSITION. CB PULLED.
- [SDR CALA2023083002657](https://openairdocs.org/sdr/CALA2023083002657.md): Pump · low pressure · Aug 26, 2023 · N794UA · Boeing 777222 · Hydraulic Pump (Electric/Engine), Main
  > HYD QTY LOW R EICAS ADVISORY RIGHT HYDRAULIC SYSTEM RESERVOIR QUANTITY LOW. QTY <.4 FIM TASK REF: 29-11 TASK 827 CMC MSG# 2910330 FLIGHT STATUS: A INTERMITTENCE CODE: H PH: CRUISE NARRATIVE: HYDRAULIC INTERFACE MOD ULE (HYDIM)(R) REMOVED AND REPLACED RH E
- [SDR CALA2022093002574](https://openairdocs.org/sdr/CALA2022093002574.md): Battery · none · Sep 29, 2022 · N794UA · Boeing 777 · Lighting System
  > B777-33-3-7019 DR 2 LH EMER LT BATTERY PACKS TEST FAIL. TRANSFER REF. NON-ROUTINE WO.1097710 AND ORIGINATED BY EMP V902113. DR L2 EMER LT BATTERY PACK M33099 REPLACED AND TESTED NORMAL AS PER AMM 33-51-06. WORK ACCOMPLISHED BY MECHANIC V898181 AND INSPECTED BY
- [SDR CALA2022093002573](https://openairdocs.org/sdr/CALA2022093002573.md): Battery · none · Sep 29, 2022 · N794UA · Boeing 777 · Lighting System
  > B777-33-3-7025 LLAR BACKUP LIGHTS BATTERY PACK DEEP CYCLE TEST FAIL. TRANSFER REF. NON-ROUTINE WO.1097714 AND ORIGINATED BY EMP V902113. LLAR BACKUP EMER LIGHT BATTERY REPLACED AND TESTED NORMAL AS PER AMM 33-51-06. WORK ACCOMPLISHED BY MECHANIC V898181 INSPE
- [SDR CALA2022093002572](https://openairdocs.org/sdr/CALA2022093002572.md): Battery · none · Sep 29, 2022 · N794UA · Boeing 777 · Lighting System
  > B777-33-3-7019 DR3 LH EMER LT BATTERY PACKS TEST FAIL. TRANSFER REF. NON-ROUTINE WO.1097703 AND ORIGINATED BY EMP V902113. DR L3 EMER LT BATTERY PACK M33406 REPLACED AND TESTED NORMAL AS PER AMM 33-51-06. WORK ACCOMPLISHED BY MECHANIC V898181 AND INSPECTED BY
- [SDR CALA2022052501346](https://openairdocs.org/sdr/CALA2022052501346.md): Epas · failed · May 25, 2022 · N794UA · Boeing 777222 · Emergency Lighting
  > DOOR 1R EPAS UNIT DOES NOT FLASH GREEN WHEN ARMED. REPLACED EPAS BATTERY PACK AT DOOR 1R PER TASK 52-11-20-400-813. SYSTEM OP''S CHECKED GOOD. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1179327 SN OFF 2340 PERFORMD IDT INSP OF REPLACED EPAS BATTERY PACK AT DOO
- [SDR CALA2022052501345](https://openairdocs.org/sdr/CALA2022052501345.md): Battery Pack · failed · May 25, 2022 · N794UA · Boeing 777222 · Emergency Lighting
  > DOOR 2R EPAS UNIT DOES NOT FLASH GREEN WHEN ARMED. REPLACED DOOR 2R EPAS BATTERY PACK UNIT PER TASK IPC REFERENCE # 52-38-00 52-11-20-400-813. SYSTEM OP''S CHECKED GOOD. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1381867 SN OFF 3093 PERFORMED IDT INSP OF REPLA
- [SDR CALA2022052501344](https://openairdocs.org/sdr/CALA2022052501344.md): Light · failed · May 25, 2022 · N794UA · Boeing 777222 · Emergency Lighting
  > REF LOGPAGE 8601878 CORRECTIVE ACTION FOR EMERGENCY EXIT LIGHTING SYSTEM OPERATIONAL CHECK - R1 DOOR AND RH POLARIS SEAT EMERGENCY LIGHTS DID NOT ILLUMINATE DURIMG TEST WAS NOT RECORDED AS SDR OR IDT. OPENED PANEL FOR INSPECTION, CLOSED PANEL AFTER INSPECTION
- [SDR CALA2021092801703](https://openairdocs.org/sdr/CALA2021092801703.md): Battery Pack · none · Sep 27, 2021 · N794UA · Boeing 777222 · Emergency Lighting
  > EMERGENCY LIGHT TEST FOUND M33098 EMERGENCY LIGHT BATTERY POOR CAPACITY REF HAECO NON-ROUTINE NO.9458595 - ORIGINATED BY EMP V905449 SPEC NO.B777-33-3-7019 PERFORMED BY EMP V905449, REPLACED THE M33098 EMERGENCY LIGHT BATTERY AND PERFORM BATTERY PACK CAPACITY
- [SDR CALA2021082301423](https://openairdocs.org/sdr/CALA2021082301423.md): Battery · inoperative · Aug 23, 2021 · N794UA · Boeing 777222 · Emergency Lighting
  > EMERGENCY LIGHT BATTERY PACKS ABOVE L1 DOOR (M33093 AND M33424) INOP. REPLACED BATTERY PACKS ABOVE L1 DOOR M33093 & M33424 REF AMM 33-51-06-960-802. OP CHECKED GOOD.
- [SDR CALA2020020300323](https://openairdocs.org/sdr/CALA2020020300323.md): Fmc · inoperative · Feb 3, 2020 · N794UA · Boeing 777222 · Flight Management Computing Hardware System
  > FMC FMC DATA ON CDU IS MISSING OR INCORRECT LEFT CDU UNABLE TO ACCESS FMC ON LEFT CDU. NO FMC PROMPT ON MENU PAGE 1L. REPLACED CDU REF AMM 34-61-02-020-801 REPLACED CDU UPDATED PARTS INFO ROTABLE PARTS CHANGE WAS INDICATED - TT # 1115879 SN OFF 3437 UNIT, CON
- [SDR CALA2019111601984](https://openairdocs.org/sdr/CALA2019111601984.md): Skin · chafed · Nov 14, 2019 · N794UA · Boeing 777222 · Vertical Stabilizer, Plate/Skin
  > VERTICAL STABILIZER R/H ROOT PNL 322AR 321AR TO FUSELAGE INTERFA CE CROWN SKIN FOUND CHAFING FROM BSTA2129 TO BSTA2150. REFER NON -ROUTINE NO.9488790 SPEC NO. B777-53-3-7032. VERT STAB R/H PNL 322AR TO FUSELAGE INTERFACE CROWN SKIN BS2129-BS2150 CHAFING AREA R
- [SDR CALA2019111601983](https://openairdocs.org/sdr/CALA2019111601983.md): Skin · chafed · Nov 13, 2019 · N794UA · Boeing 777222 · Vertical Stabilizer, Plate/Skin
  > VERTICAL STABILIZER L/H ROOT PNL 322AL 321AL TO FUSELAGE INTERFA CE CROWN SHIN FOUND CHAFING FROM BSTA2110 TO BSTA2150. REFER NON -ROUTINE NO.9488791 - ORIGINATED BY EMP V902926 SPEC NO.B777-55- 3-7031. VERT STAB L/H ROOT PNL 322AL, 321AL TO FUSE INTERFACE CRO
- [SDR CALA2019111601985](https://openairdocs.org/sdr/CALA2019111601985.md): Skin · damaged · Nov 13, 2019 · N794UA · Boeing 777222 · Cargo/Baggage Doors
  > FWD CGO DOOR AFT LOWER CORNER FND EXISTING REINFORCE REPAIR. REF ER NON-ROUTINE NO.9488927 EA5100-023 45E OP19. REMOVED THE EXISTING REPAIR AS PER SRM 51-40-02 REV 81 AND INSTALL NEW REPAIR PER ECRA 5234-01074 REV 0. ATTACHED SWS FOR DETAIL. ACCOMPLISHED AT H
- [SDR CALA2018073001698](https://openairdocs.org/sdr/CALA2018073001698.md): Light · broken · Jul 24, 2018 · N794UA · Boeing 777222 · Emergency Lighting
  > M/D LLAR DOOR FWD 1EA LWR EMER LIGHT FOUND BROKEN. REPLACED M/D LLAR DOOR FWD LWR EMER LIGHT & C/OUT OP TEST FOUND SAT IS AS PER AMM 33-51-05-960-801 REV83.
- [SDR CALA2018073001697](https://openairdocs.org/sdr/CALA2018073001697.md): Light · broken · Jul 24, 2018 · N794UA · Boeing 777222 · Emergency Lighting
  > M/D R1 DOOR 2EA EXIT IDENT FOUND BROKEN. REPLACED M/D R1 DOOR EXIT IDENT LT & C/OUT OP TEST FOUND SATIS A S PER AMM 33-51-01-960-802 REV83.
- [SDR CALA2018073001702](https://openairdocs.org/sdr/CALA2018073001702.md): Battery · low · Jul 24, 2018 · N794UA · Boeing 777222 · Emergency Lighting
  > M/D R3 DOOR 2EA EMER LT POWER PACKS (M33401 & M33404) FOUND LOW CAPACITY. REPLACED M/D R3 DOOR 2EA EMER LT POWER PACKS (M33401 & M33404) & C/OUT OP TEST FOUND SATIS AS PER AMM 33-51-06-960-802 REV83.
- [SDR CALA2018073001701](https://openairdocs.org/sdr/CALA2018073001701.md): Light · broken · Jul 24, 2018 · N794UA · Boeing 777222 · Emergency Lighting
  > M/D A & B ZONE PARTITION TTL: 4EA LWR EMER LT FOUND BROKEN. REPLACED M/D A&B ZONE PARTITION LWR EMER LT & C/OUT OP TEST FOUND SATIS AS PER AMM 33-51-05-960-801 REV83.
- [SDR CALA2018073001700](https://openairdocs.org/sdr/CALA2018073001700.md): Battery · low · Jul 24, 2018 · N794UA · Boeing 777222 · Emergency Lighting
  > M/D R4 DOOR 1EA E MER LT POWER PACK (M33408) FOUND LOW CAPACITY. REPLACED M/D R4 DOOR EMER LT POWER PACK (M33408) & C/OUT ''OP'' TE ST FOUND ''SATIS'' AS PER AMM 33-51-06-960-802 REV83.
- [SDR CALA2018073001699](https://openairdocs.org/sdr/CALA2018073001699.md): Battery · low · Jul 24, 2018 · N794UA · Boeing 777222 · Emergency Lighting
  > M/D L2 DOOR 1EA EMER LT POWER PACK (M33096) FOUND LOW CAPACITY. REPLACED M/D L2 DOOR EMER LT POWER PACK (M33400) & C/OUT OP TEST FOUND SATIS AS PER AMM 33-51-06-960-802 REV83.
- [SDR CALA2018073001696](https://openairdocs.org/sdr/CALA2018073001696.md): Battery · low · Jul 24, 2018 · N794UA · Boeing 777222 · Emergency Lighting
  > M/D L3 DOOR 1EA EMER LT POWER PACK (M33400) FOUND LOW CAPACITY. REPLACED M/D L3 DOOR EMER LT POWER PACK (M33400) & C/OUT OP TEST FOUND SATIS AS PER AMM 33-51-06-960-802 REV83.
- [SDR CALA2018020500488](https://openairdocs.org/sdr/CALA2018020500488.md): Battery · discharged · Feb 5, 2018 · N794UA · Boeing 777222 · Emergency Equipment
  > EMERGENCY FLASHLIGHT AT DOOR 1L INOP. REPLACED BATTERY, CKS OK.
- [SDR CALA2017103003861](https://openairdocs.org/sdr/CALA2017103003861.md): Light · inoperative · Oct 30, 2017 · N794UA · Boeing 777222 · Emergency Lighting
  > COCKPIT EMERGENCY DOME LIGHT BURNED OUT. RELAMPED EMERGENCY DOME LIGHT CHECK OK, REF AMM 33-51-07-960-801.
- [SDR CALA2017012900183](https://openairdocs.org/sdr/CALA2017012900183.md): Cdu · faulty · Jan 29, 2017 · N794UA · Boeing 777222 · Central Display
  > BOTH FMC'S HAVE FAILED OR FMC SELECTOR IS IN L WITH THE LEFT FMC FAILED OR IS IN R WITH THE RIGHT FMC FAILED. RIGHT CONTROL DISPLAY UNIT (CDU) FAULT. EMERGENCY DECLARED. SWAPPED CDU FROM F/O POSITION TO CENTER POSITION DUE TO FAILURE OF F/O CDU. REPLACED CEN
- [SDR CALA2016120901053](https://openairdocs.org/sdr/CALA2016120901053.md): Lamp · inoperative · Dec 9, 2016 · N794UA · Boeing 777* · Emergency Lighting
  > EXTERIOR EMERGENCY LIGHT AT DOOR 4L IS INOPERATIVE. REPLACED THE LAMP IAW AMM 33-51-04. O PS CHECKED GOOD.
- [SDR CALA2016112500958](https://openairdocs.org/sdr/CALA2016112500958.md): Skin · dented · Nov 22, 2016 · N794UA · Boeing 777222 · Passenger/Crew Doors
  > CATERING REPORTED DOOR R2 LOWER AFT CORNER HAS A DENT WITH A SCRATCH. DIMENSIONS ARE 3.94 X.0723 A O VERY IS GREATER THAN 30. A OVER Y IS 54, WILL REQUIRE REINSPECTED AT NEXT MAINT OPPURTUNITY. R2 MED LOWER AFT CORNER SKIN REPAIRED AS PER ECRA 5210-02 759, SU
- [SDR CALA2016100500723](https://openairdocs.org/sdr/CALA2016100500723.md): Switch · failed · Oct 5, 2016 · N794UA · Boeing 777222 · Cabin Pressure Control System
  > AFTER TAKE OFF, UNABLE TO PRESSURIZE AIRCRAFT. OUTFLOW VALVE AFT EICAS ADVISORY AUTO CONTROL ON AFT OUTFLOW VALVE FAILED OR MANUAL MODE FOR AFT OUTFLOW VALVE SELECTED. ACP WIRING CHECKS PER FIM 21-31 TASKS 811 AND 814. NO DISCRE PANCIES NOTED. CHECKED WIRING
- [SDR CALA2014060591209](https://openairdocs.org/sdr/CALA2014060591209.md): Oxygen Mask · faulty · Jun 3, 2014 · N794UA · Boeing 777222 · Crew Oxygen System
  > HOT MIC AT CAPTAIN`S BOOM. SUSPECT O2 MASK SYS. REINSTALL O2 MASK SYS & CHECK ALL PUSH TO TALK SWITCH. HOT MIC RETURN TO NORMAL.
- [SDR CALA2014051691026](https://openairdocs.org/sdr/CALA2014051691026.md): Light · inoperative · May 16, 2014 · N794UA · Boeing 777222 · Emergency Lighting
  > EXIT PATH LIGHTING LENS MISSING & BULB INOPERATIVE, SHATTERED, FROM VIDEO CONSOLE - OTTOMAN BETWEEN SEATS 6H & 7H. REPLACED BULB & LENS, OPERATIONS CHECKED GOOD.
- [SDR CALA2013121293619](https://openairdocs.org/sdr/CALA2013121293619.md): Starter · faulty · Dec 12, 2013 · N794UA · Boeing 777222 · APU Start/Ignition System
  > APU CONTROL STATUS MESSAGE. REPLACED APU STARTER MOTOR IAW MM. FOUR GOOD STARTS, NO MESSAGES.

Next page: https://openairdocs.org/aircraft/N794UA/reports.md?page=2

## 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 = 'N794UA' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N794UA/reports

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