Service difficulty report · Unknown · Boeing 7378H4

Difficulty date
September 21, 2023
Submitted
September 22, 2023
Operation
Air carrier
Aircraft
N8639B
Make and model
Boeing 7378H4
Aircraft serial
60086
Aircraft time
31,100 hours, 14,777 cycles
Part
Unknown
Part number
UNKNOWN
Condition
Unknown
Location
Unknown
Stage of operation
TX
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 INDICATE 1* WITH FLAP POSITION HANDLE AT 5*<[01] REMOVED/REPLACED FLAP POSITION INDICATOR PER AMM 27-58-02 OPS CHECK GOOD. REMOVE/REPLACE FLAP/SLAT ELECTRONICS UNIT PER AMM27-51-01-400-801. OPS CHECK GOOD. PERFORMED FSEU DISPLAY AND EXISTING FAULTS TEST PER AMM 27-51-00-740-801. NO FAULTS. LEADING EDGE CRUISE DEPRESSURIZATION TEST PER AMM 27-81-00-730-801 NO FAULTS. LEADING EDGE UNCOMMANDED MOTION PROTECTION TEST PER AMM27-81-00-700-804 NO FAULTS. TRAILING EDGE FLAP LOAD RELIEF SYSTEM BITE TEST PER AMM 27-51-00-740-803 NO FAULTS. TRAILING EDGE FLAP ASYMMETRY SKEW SYSTEM BITE TEST PER AMM27-51-00-740-802 NO FAULTS. FLAP SKEW DETECTION SYSTEM FUNCTIONAL TEST PER AMM 27-59-00-730-801 NO FAULTS.

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