SDR SWAA2020100619626

Service difficulty report · Frame · Boeing 7377H4

Difficulty date: September 18, 2020
Submitted: October 6, 2020
Operation: Air carrier
Aircraft: N496WN
Make and model: Boeing 7377H4
Aircraft serial: 32478
Aircraft time: 54,479 hours, 32,341 cycles
System (JASC): 5311 · Fuselage Main, Frame
Part: Frame
Condition: Corroded
Location: Bs 947
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

CORROSION ON FUSELAGE FRAME AT BS 947; S-25R WL 162. CORROSION ON FRAME FOUND TO BE OUT OF LIMITS DUE TO PROXIMITY TO FASTENER HOLES, PER SRM 53-00-07-1A-1 FIG 102 DETAIL C. REMOVED FRAME STR 23R-23L. LOCATED, DRILLED, & INSTALLED NEW FRAME, PER SRM 51-40-02-0G-0; DWG 14700401; DWG 147A1047; DWG 147A0002.

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