SDR SWAA2020091015287

Service difficulty report · Transmitter · Boeing 7377H4

Difficulty date: September 9, 2020
Submitted: September 10, 2020
Operation: Air carrier
Aircraft: N741SA
Make and model: Boeing 7377H4
Aircraft serial: 29277
Aircraft time: 74,734 hours, 44,391 cycles
System (JASC): 2751 · Trailing Flap Position Indicating System
Part: Transmitter
Part number: 96774
Part serial: 4677
Condition: Faulty
Location: Lt Wing Te Flaps
Stage of operation: LD
How discovered: 9
Nature of condition: J
Precautionary procedure: O

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

What was found

WHEN MOVING FLAPS FROM 15 TO 30 FOR LANDING CONFIGURATION, THE FLAPS STOPPED AT 25 WITH A MINOR SPLIT OF THE FLAP, FLAP HANDLE AT 30. DECLARED AN EMERGENCY AFTER RUNNING QRH. R & R LT POS XMITTER, REF AMM 27-58. OPS CHECK GOOD RAR 71400. TAG #702365 LT PN OFF/ON: 96774/18-1738-10 SN OFF/ON: 4677/4890.

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