Service difficulty report · Ballscrew · Boeing 75728A

Difficulty date
May 29, 2019
Submitted
June 6, 2019
Operation
Air carrier
Aircraft
N968FD
Make and model
Boeing 75728A
Aircraft serial
26274
Aircraft time
74,909 hours, 21,380 cycles
Part
Ballscrew
Part number
7821344
Condition
Damaged
Location
Te Flaps
Stage of operation
IN
How discovered
V
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

WHILE COMPLYING WITH TSI 27-50/5006 FOUND OVERLOAD INDICATOR POPPED ON R/H INBOARD TRANSMISSION ASSY ON INBD FLAP INPECTED BALLSCREW WITH A CHEESECLOTH FOR SHARP EDGES AND FOUND UNSATISFACTORY ON TRANSMISSION #5. INSPECTED ALL OTHER TRANSMISSION ASSY'S AND FOUND ALL OTHER ONE'S SATIS REF FIM 27-51/FT808 R&R #5 BALLSCREW IAW MM 27-51-11-4 UP TO STEP 3.F.2 INCLUDED. 1 OF THE 2 BOLTS THAT HOLDS THE GIMBAL TO THE BALLSCREW NUT IS MISSING(ORDERED AOG), REF STEP 3.E.4.D. C/W AMM 27-51-11-4 FROM STEP 3.F.2 UNTIL THE END. OPERATIONAL TEST SATIS SAME REF. INSTALLED BOLT MISSING STEP 3.E.4.D. A/C OK FOR SVC.

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