# SDR UIEA2025062500814

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 25, 2025
- Submitted: June 26, 2025
- Operation: Air carrier
- Aircraft: [N407KZ](https://openairdocs.org/aircraft/N407KZ), registered now
- Make and model: Boeing 747-4KZF
- Registry model: [Boeing 747-4KZF](https://openairdocs.org/model/boeing-747-4kzf) (OpenAirDocs)
- Aircraft serial: 36134
- Aircraft time: 63,524 hours, 11,372 cycles
- System (JASC): [3250 · Landing Gear Steering System](https://openairdocs.org/jasc/3250)
- 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
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2025062500814

## Discrepancy

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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