SDR SWAA2020012840809

Service difficulty report · Support Angle · Boeing 7378H4

Difficulty date: January 12, 2020
Submitted: January 28, 2020
Operation: Air carrier
Aircraft: N8602F
Make and model: Boeing 7378H4
Aircraft serial: 38110
Aircraft time: 27,034 hours, 11,570 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Support Angle
Condition: Corroded
Location: Bs 294-312
Stage of operation: IN
How discovered: 9
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

CORROSION FOUND ON UPPER FLANGE OF INBOARD CREASE BEAM AT FORWARD SERVICE DOOR BS 294+8 - 312+1 0, RBL 56, WL 207. REMOVED AND REPLACED THE THRESHOLD SUPPORT ANGLE AT FORWARD SERVICE DOOR INNER CHORD MOPSILL STA 294+8-312+10 RBL56 WL207 DUE TO OUT OF LIMITS CORROSION 100% MATERIAL LOSS AROUND FASTENER HOLES IAW SRM 51-10-02-0G-0, SRM 51-10-02-0G-0 AND DRAWING 141A8310.

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