Service difficulty report · Sensor · Boeing 7377H4

Difficulty date
May 4, 2022
Submitted
May 9, 2022
Operation
Air carrier
Aircraft
N770SA
Make and model
Boeing 7377H4
Aircraft serial
30589
Aircraft time
70,182 hours, 41,575 cycles
Part
Sensor
Condition
Faulty
Location
R/H Wing
Stage of operation
DE
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

FLAPS DID NOT COME DOWN WHEN SELECTING FLAPS TO 5. WHEN USING ALTERNATE FLAP EXTENSION; ONLY RIGHT SIDE FLAPS STARTED MOVING. LEFT SIDE FLAPS STAYED AT UP POSITION. FLAPS DID NOT COME DOWN WHEN SELECTING FLAPS TO 5. WHEN USING ALTERNATE FLAP EXTENSION ONLY RIGHT SIDE FLAPS STARTED MOVING. LEFT SIDE FLAPS STAYED AT UP POSITION. PERFORMED A NO FLAP LANDING PER QRH. LANDED UNEVENTFUL. PSEU LIGHT ILLUMINATED AFTER LANDING. / [01] PERFORMED FSEU BITE CHECK; FIM 27-51 TASK 801; FOUND FAULT CODE 27-53279.<BR>FOUND FL TE FLAP POS/SKEW SNSR & IND LEFT CIRCUIT BREAKER OUT. RESET CIRCUIT BREAKER. OPS CHECK NORMAL.<BR>PSEU LIGHT EXTINGUISHED.

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