Service difficulty report · Transmitter · Boeing 7377H4

Difficulty date
February 25, 2021
Submitted
March 1, 2021
Operation
Air carrier
Aircraft
N439WN
Make and model
Boeing 7377H4
Aircraft serial
29834
Aircraft time
59,646 hours, 35,338 cycles
Part
Transmitter
Part number
S256A40450
Part serial
2854
Condition
Faulty
Location
Le Flaps
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

ON ARRIVAL TO SNA; LE FLAPS TRANSIT LIGHT. STAYED ILLUMINATED. DIVERTED TO LAX FOR FLAPS 15 LANDING. FLAPS EXTENDED NORMALLY WITH A GREEN LE FLAPS EXT LIGHT / FOUND OUT OF RIG INDICATOR ON RH FLAP POSITION TRANSMITTER. R/R RH FLAP POSITION TRANSMITTER PER AMM 27-58-01 AND OPS TEST AND FLAP POSITION TRANSMITTER TEST NORMAL POS; RH PN OFF; S256A404-50 SN OFF; 2854 PN ON; 18-1738-12 SN ON; 4677

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