Service difficulty report · Support · Boeing 7572T7

Difficulty date
September 9, 2019
Submitted
October 11, 2019
Operation
Air carrier
Aircraft
N939FD
Make and model
Boeing 7572T7
Aircraft serial
24528
Aircraft time
63,696 hours, 23,611 cycles
Part
Support
Part number
143N6603216
Condition
Corroded
Location
Cargo Door
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

FORWARD CARGO DOOR EVIDENCE OF BULGING OF LEVELING COMPOUND AT LOWER DOOR AREA REMOVED LEVELLING COMPOUND, CORROSION FOUND AT LOWER DOOR INNER SKIN ,EDGE BEAM AND SPLICES, AND TEE SUPPORTS AT BS 580, BS 589 AND BS 600. COROSION REMOVED AT DOOR INNER SKIN AT LOWER CUTOUT AREA LOCATED 12" 20" AND 47" FROM FORWARD EDGE OF DOOR AND,AREA FOUND TO BE OUTSIDE LIMITS IAW SRM 52-30-01-1A REFER TO EA # F-5230-T0349795 P1 FOR RECTIFICATION OF DOOR SKIN CORROSION. CORROSION REMOVED FROM EDGE BEAM AND SPLICES AND FOUND TO BE OUTSIDE SRM LIMITS IAW 52-30-01-1A . FOR RECTIFICATION OF EDGE BEAM AND SPLICE CORROSION REFER TO SNRM N00802. CORROSION ALSO FOUND ON TEE SUPPORT AT BS 580, BS 589 AND BS 600. CORROSION FOUND TO BE OUTSIDE SRM 52-30-02-1A LIMITS .TEE SUPPORTS REPLACED IAW BOEING DWG #143N6603 SRM 51-40-02 AND EA # F-5230- T0349998.

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