SDR UIEA2014012100016

Service difficulty report · Transmitter · Boeing 74747UF

Difficulty date: January 21, 2014
Submitted: January 21, 2014
Operation: Air carrier
Aircraft: N475MC
Make and model: Boeing 74747UF
Aircraft serial: 29252
Aircraft time: 63,310 hours, 11,444 cycles
System (JASC): 2751 · Trailing Flap Position Indicating System
Part: Transmitter
Part number: 900040817
Part serial: 0048A
Condition: Faulty
Location: Te Flap
Part time: 14,266 hours, 2,611 cycles
Stage of operation: CL
How discovered: O
Nature of condition: N
Precautionary procedure: J, A

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

What was found

AIR TURN BACK AT 3,000', DURING INITIAL FLAP RETRACTION, FLAPS DRIVE EICAS MESSAGE. DUMPED FUEL TO MAX LANDING WEIGHT & NORMAL TOUCHDOWN. REPLACED LT INBD FLAP POSITION TRANSMITTER & NBSP IAW AMM 27-58-01/401. OPERATIONS CHECKED GOOD IAW AMM 27-58-01 501.

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