SDR SWAA2022111660909

Service difficulty report · Door Sill · Boeing 7377H4

Difficulty date: October 17, 2022
Submitted: November 16, 2022
Operation: Air carrier
Aircraft: N207WN
Make and model: Boeing 7377H4
Aircraft serial: 34012
Aircraft time: 56,256 hours, 33,707 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Door Sill
Condition: Corroded
Location: Bs 947-992
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 R2 DOOR SILL, BS 947.5-992.8. REMOVED CORROSION IAW SRM 51-10-02-0G-0. PERFORMED UT THICKNESS INSP ON REWORKED AREA IAW NDT PART 4 51-00-00, PROC 3. EVALUATED REWORKED AREA AND FOUND OUT OF LIMITS IAW SRM 53-70-15-1A-1. REMOVED THE DOOR SILL IAW SRM 51-40-02-0G-0. LOCATED AND DRILLED IAW SRM 51-40-05 AND DWG 147A8501. INSTALLED IAW SRM 51-40-02-0G-0, AND DWG 147A8501.

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