Service difficulty report · Sill · Boeing 75728A

Difficulty date
February 4, 2009
Submitted
February 4, 2009
Operation
Air carrier
Aircraft
N912FD
Make and model
Boeing 75728A
Aircraft serial
24260
Aircraft time
59,147 hours, 19,085 cycles
Part
Sill
Part number
146N1012
Condition
Chafed
Location
Bs 1420
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

DURING FOLLOW ON INSPECTION, FOUND FRAME AT BS 1420, 3" BELOW AFT CARGO DOOR SILL TO BE CHAFED. REMOVED 3 SUPPORT ANGLE, DOUBLER, DOOR STOP SUPPORT AND SUPPORT WEB PER SRM 51-40-02 AT BS 1420, BETWEEN RBL 16-23. REMOVED DAMAGED AREA OF FRAME AT BS 1420, 3 INCH BELOW AFT CARGO DOOR SILL PER SRM 51-70-11. REPAIR CHANNEL FABRICATED ON MAE TRAVELER NR T9/775858. LOCATED, DRILLED, TREATED, PRIMED AND TOP COATED REPAIR CHANNEL PER SRM 51-40-05, 51-20-01, AMM 51-21-10. INSTALLED 3 SUPPORT ANGLE, SUPPORT DOUBLER, DOOR STOP SUPPORT, SUPPORT WEB AND REPAIR CHANNEL PER SRM 51-70-11 AND 51-40-02 AT BS 1420, RBL 16-23, 3 INCH BELOW AFT CARGO DOOR SILL. THIS REPAIR IS CLASSIFIED AS A CAT "A" MAJOR REPAIR.

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