SDR UIEA2026070300568

Service difficulty report · Bypass Valve · Boeing 777F

Difficulty date: July 3, 2026
Submitted: July 7, 2026
Operation: Air carrier
Aircraft: N708GT
Make and model: Boeing 777F
Aircraft serial: 67993
Aircraft time: 13,568 hours, 1,761 cycles
System (JASC): 3230 · Landing Gear Retraction/Extension System
Part: Bypass Valve
Part number: 3910028106
Part serial: 1812
Condition: Faulted
Location: Zone 700
Stage of operation: CL
How discovered: O
Nature of condition: E, F, J
Precautionary procedure: B, A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

ATB GEAR DISAGREE EICAS MESSAGE, R & R NLG SELECTOR BYPASS VALVE IAW AMM 32-31-02. R &R NLG AUTO OFF RELAYS A1 AND B1 (K32014 AND K32016) IAW WDM 32-31-11. R & R PSEU 1 IAW AMM 32-08-01, OPS AND LEAK CHK GOOD. ACFT OKAY TO RETURN BACK TO SERVICE.

More about the Boeing 777F