Service difficulty report · Transmission · Boeing 7378H4

Difficulty date
September 30, 2026
Submitted
October 2, 2026
Operation
Air carrier
Aircraft
N8668A
Make and model
Boeing 7378H4
Aircraft serial
36903
Aircraft time
38,665 hours, 18,978 cycles
Part
Transmission
Condition
Tripped
Location
Nr 8 Flap
Stage of operation
AP
How discovered
O
Nature of condition
F, J
Precautionary procedure
O

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

What was found

ON FINAL APPROACH, TRAILING EDGE FLAPS WOULD NOT EXTEND PAST POSITION 5. NO ASSYEMETRY NOTED. PERFORMED ALTERNATE FLAP EXTENSION IAW NORMAL QRH DIRECTED PROCEDURES. ACFT REMAINS IN F15 POSITION. TROUBLESHOT IAW FIM 27-51 TASK 836. PERFORMED BIT OF FSEU IAW FIM 27-51 TASK 801. NO FAULTS FOUND. NR 8 FLAP TRANSMISSION TORQUE BRAKE TRIP INDICATOR TRIPPED. DRAINED SERVICED AND RESET INDICATOR IAW AMM 12-22-51. OPS/LEAK CHECKED GOOD.

More about the Boeing 737-8H4