SDR USAA2014051900030

Service difficulty report · Support Angle · Boeing 7572B7

Difficulty date: May 16, 2014
Submitted: May 19, 2014
Operation: Air carrier
Aircraft: N939UW
Make and model: Boeing 7572B7
Aircraft serial: 27303
Aircraft time: 64,411 hours, 24,551 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Support Angle
Part number: 143N832859
Condition: Corroded
Location: Fuselage
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

C4 CHECK LEVEL 2 GALVANIC CORROSION ON L2 DOOR SILL SCUFF PLATE SUPPORT ANGLES BETWEEN BS 720 TO BS 740, LBL 67. REPLACED L2 DOOR SILL SCUFF PLATE SUPPORT ANGLES BETWEEN BS 720 TO BS 740, LBL 67 IAW SRM 51-40-02, 51-40-05, 51-21-01 & 51-20-00.

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