SDR SCNA20201201384

Service difficulty report · Support Angle · Boeing 7378K2

Difficulty date: November 23, 2020
Submitted: December 1, 2020
Operation: Air carrier
Aircraft: N817SY
Make and model: Boeing 7378K2
Aircraft serial: 30392
Aircraft time: 65,543 hours, 25,167 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Support Angle
Condition: Corroded
Location: Threshold
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 ON L1 DOOR LOWER SILL THRESHOLD SUPPORT ANGLE BS 316-344 LBL 68 WL 208. CORROSION DAMAGE ON L1 DOOR LOWER SILL THRESHOLD SUPPORT ANGLE BS 316-344 LBL 68 WL 208 FOUND TO BE OUT OF LIMITS, PER SRM 53-10-15-1A-1 STEP 4B FOG 108 DETAIL D. REMOVED AND REPLACED SUPPORT ANGLE, PER SRM 51-40-02 AND BOEING DRAWING 141A8110 REV A, ER 20-03573 REV IR AND SCA EA 53-0067 REV 00.

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