SDR UIEA2025062500814

Service difficulty report · Module · Boeing 7474KZF

Difficulty date: June 25, 2025
Submitted: June 26, 2025
Operation: Air carrier
Aircraft: N407KZ
Make and model: Boeing 7474KZF
Aircraft serial: 36134
Aircraft time: 63,524 hours, 11,372 cycles
System (JASC): 3250 · Landing Gear Steering System
Part: Module
Part number: 7714404
Part serial: 2839A
Condition: Faulted
Location: Zone 700
Stage of operation: AP
How discovered: O
Nature of condition: J
Precautionary procedure: B

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

What was found

CREW DECLARED EMERGENCY INTO ANC. BODY GEAR STEERING EICAS CAUTION MSG (INFLIGHT) & BODY GEAR STEERING SYS STS MSG.(<P>FOUND MMSG 32041, REPLACED LT BGS HYD CONT MODULE AND FUNCTION CHECKS OK, NO LEAKS FOUND IAW B747-400 AMM 32-53-04 REV 113, B747-400 IPC 32-53-51-10 REV89.

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