# Boeing 777-2U8

- Type: Aircraft model (FAA registry)
- Registry code: 1388000
- Manufacturer (registry): BOEING
- Model: 777-2U8
- Aircraft type: Fixed wing multi engine
- Category: Airplane
- Engines: 2 · Turbo-fan
- Seats: 442
- Weight class: 20,000 lb and over
- Certification: Type certificated
- Registered aircraft: 4
- Page: https://openairdocs.org/model/boeing-777-2u8

Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker.

## ADs that may apply (OpenAirDocs)

Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

None matched.

## Registered aircraft (4)

- [N783KW](https://openairdocs.org/aircraft/N783KW): [Alta Airlines Holdings LLC](https://openairdocs.org/faa-owner/ALTA%20AIRLINES%20HOLDINGS%20LLC), [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City), S/N 33683
- [N819AX](https://openairdocs.org/aircraft/N819AX): [Cargo Aircraft Management Inc](https://openairdocs.org/faa-owner/CARGO%20AIRCRAFT%20MANAGEMENT%20INC), [Wilmington, OH](https://openairdocs.org/faa-place/OH/Wilmington), built 2004, S/N 33681
- [N828AX](https://openairdocs.org/aircraft/N828AX): [Cargo Aircraft Management Inc](https://openairdocs.org/faa-owner/CARGO%20AIRCRAFT%20MANAGEMENT%20INC), [Wilmington, OH](https://openairdocs.org/faa-place/OH/Wilmington), built 2005, S/N 33682
- [N846AX](https://openairdocs.org/aircraft/N846AX): [Cargo Aircraft Management Inc](https://openairdocs.org/faa-owner/CARGO%20AIRCRAFT%20MANAGEMENT%20INC), [Wilmington, OH](https://openairdocs.org/faa-place/OH/Wilmington), built 2007, S/N 36124

## NTSB investigations

None matched to aircraft with this model.

## FAA accident and incident reports

None matched to aircraft with this model.

## Service difficulty reports (14)

As reported by operators and repair stations, by the model named in the report.

- [SDR CNMA20261007001](https://openairdocs.org/sdr/CNMA20261007001), Oct 5, 2026: DRIVE UNIT. INOPERATIVE. WXR FAIL ON SYS L AND R STATUS MSG WXR SYS
- [SDR CNMA2026060001](https://openairdocs.org/sdr/CNMA2026060001), Jun 21, 2026: INDICATION SYS. INTERMITTENT. DURING CLIMB FUEL IMBALANCE CK LIST CAME UP. EVENTUALLY RT SIDE SHOWED 8K LEFT SIDE SHOWED 35K DURING DESCENT IT WENT BACK TO NORMAL
- [SDR CNMA20260403001](https://openairdocs.org/sdr/CNMA20260403001), Apr 1, 2026: ACTUATOR. INOPERATIVE. FLIGHT CONTROL SYS STS MSG DURING CLIMB
- [SDR CNMA202403210003](https://openairdocs.org/sdr/CNMA202403210003), Mar 20, 2024: VALVE. FAULTED. CABIN ALTITUDE WARNING - EICAS MESSAGE @ 10650'. CABIN WOULD NOT PRESSURIZE.
- [SDR CNMA202002240001](https://openairdocs.org/sdr/CNMA202002240001), Feb 22, 2020: OIL SYSTEM. LEAKING. SMOKE DETECTOR FOWARD CREW REST TWICE. MIST IN AIR. BURNING EYES. CORRECTIVE ACTION: APU LEAKING OIL INTERNALLY. REMOVED AND REPLACED APU IAW B777 AMM 49-11 LEA
- [SDR CNMA20191009002](https://openairdocs.org/sdr/CNMA20191009002), Sep 26, 2019: LINE. DAMAGED. HYD QTY LOW C EICAS MESSAGE DISPLAYED IN FLIGHT. R & R A DAMAGED HYD LINE AT THE TRUNNIONS SWIVEL ASSY IAW AMM 20-10. LEAK CHECK GOOD AT THIS TIME.
- [SDR CNMA201908070001](https://openairdocs.org/sdr/CNMA201908070001), Jul 3, 2019: PROBE. INACCURATE. EICAS MESSAGE "FUEL DISAGREE" DISPLAYED ON CLIMB OUT. TOTALIZER FUEL READ 16 THOUSAND LBS. LESS THAN CALCULATED FUEL AND LIFT OFF FUEL SHOWED 6 THOUSAND LBS LES
- [SDR CNMA201906120001](https://openairdocs.org/sdr/CNMA201906120001), May 20, 2019: FLOW VALVE. FAILED. PACK L EICAS MSG DURING CLIMB. REMOVED & REPLACED L LOWER FLOW CONTROL AND SHUTOFF VALVE IAW AMM 21-51 OPS CHECK GOOD NO DEFECTS NOTED.
- [SDR CNMA2019030001](https://openairdocs.org/sdr/CNMA2019030001), Mar 24, 2019: WARNING SYSTEM. ACTIVATED. AFTER ROTATION - CARGO DOOR AFT EICAS CAME ON, PRESSURE WAS NORMAL. RETURNED FOR PRECAUTIONARY LANDING. MM 52-21950
- [SDR CNMA201710250002](https://openairdocs.org/sdr/CNMA201710250002), Oct 12, 2017: POWER SUPPLY. INOPERATIVE. L2 AFT EMERGENCY LIGHT INOP. REPLACE POWER SUPPLY IAW AMM 33-51. OPS CHECK GOOD.
- [SDR CNMA201710250001](https://openairdocs.org/sdr/CNMA201710250001), Oct 10, 2017: LIGHT. INOPERATIVE. OVERHEAD EMERGENCY EXIT LIGHT AT SEAT 38AC INOP DUE TO EO B7733-08. COMPLETED EO B7733-09 ON LOG PAGE 155583 ENTRY 2. OPS CHECK NORMAL.
- [SDR CNMA2017070001](https://openairdocs.org/sdr/CNMA2017070001), Jul 17, 2017: SLEEVE. DAMAGED. BLEED LEAK L FOLLOWED BY BLEED LOSS WING L. REMOVED AND REPLACED THE SLEEVE AT HEAT EXCHANGER PRIMARY CHECK VALVE IAW AMM 21-52. OPS CHECKED GOOD. LT PACK SYSTE
- [SDR CNMA201705030001](https://openairdocs.org/sdr/CNMA201705030001), Apr 30, 2017: POWER SUPPLY. FAILED. DURING EMERGENCY LIGHT VERIFICATION, FOUND THE EMERGENCY LIGHT OUT AT THE R3 DOOR. REMOVED AND REPLACED POWER SUPPLY MODULE IAW AMM 33-51. OPS CHECKED GOOD
- [SDR CNMA2016060002](https://openairdocs.org/sdr/CNMA2016060002), Jun 28, 2016: GENERATOR. FAILED. STATUS MESSAGE ELECTRICAL RIGHT BACKUP GENERATOR DISPLAYED. REPLACED THE RT BACKUP GENERATOR, OIL COOLER & OVERFILL DRAIN LINE. RAN ENGINE SEVERAL MINUTES AT VA

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