Service difficulty report · Sensor · Boeing 7378H4

Difficulty date
July 30, 2021
Submitted
August 3, 2021
Operation
Air carrier
Aircraft
N8635F
Make and model
Boeing 7378H4
Aircraft serial
60083
Aircraft time
11,154 hours, 24,796 cycles
Part
Sensor
Part number
285A12002
Part serial
F05331
Condition
Faulted
Location
Lt Wing Te Flaps
Stage of operation
DE
How discovered
O
Nature of condition
N
Precautionary procedure
O

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

What was found

FLAP DISAGREE AT 5 / LOCK-OUT WHEN FLAPS MOVED TO 5; ALT. FLAPS TO 15 / R&R'D #4 T.E FLAP SKEW SENSOR IAW MM 27-59-01.OPS CHECKS GOOD. R&R'D FSEU IAW MM 27-51-01;NO FAULTS NOTED. OPS CHECKS GOODSKEW SENSOR ISSUE # 3416527; FSEU ISSUE # 3416335 GRB 1214535TAG/GRB: 172900 POS: P PN OFF 285A1200-2 SN OFF: F05331 PN ON: 285A1200-2 SN ON: F04727TAG/GRB: 561114 POS: 4PN OFF: S256A404-3 SN OFF: 23873 PN ON: 9000421-3 SN ON: 1020681

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