Service difficulty report · Ballscrew · Boeing 7572Q8

Difficulty date
September 13, 2026
Submitted
September 14, 2026
Operation
Air carrier
Aircraft
N996FD
Make and model
Boeing 7572Q8
Aircraft serial
26270
Aircraft time
49,263 hours, 22,382 cycles
Part
Ballscrew
Part number
7829998
Part serial
2717624
Condition
Failed
Location
Zone 500
Stage of operation
AP
How discovered
O
Nature of condition
F
Precautionary procedure
O

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

What was found

FOUND LT WING FLAP INBD TRANSMISSION WITH INDICATOR TRIPPED & JACKSCREW DAMAGED. AMM: 27-51-11-4 AMM: 27-51-06-4 REMOVED INBD T/E FLAP XMISSION & INBD TE BALLSCREW IAW AMM. DIMENSION X NOTED AS 19.75 IN. FSEU-1 READINGS: LT FLAP 340.03 DEG, RT FLAP 340.25 DEG, LT SLAT: 349.43 DEG, RT SLAT: 349.08 DEG. FSEU-2 READINGS: LT FLAP: 339.73 DEG, RT FLAP: 340.51 DEG, LT SLAT 349.46 DEG, RT SLAT 349.00 DEG. AMM 27-51-06-4, AMM 27-51-11-4 REF WRI 27-50/2181, INSTALLATION OF LT WING INBD FLAP XMISSION MOUNT & FLAP XMISSION IAW AMM. XMISSION & TORQUE LIMITER SERVICED IAW AMM 27-51-11-4, AMM 27-51-06-4. FINISHED INSTALLATION OF FLAP XMISSION & INSTALLED INBD TE BALLSCREW IAW AMM. OPS CHKD GOOD. ACFT OKAY TO CONTINUE.

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