SDR SWAA2020120729278

Service difficulty report · Floor Support · Boeing 7378H4

Difficulty date: November 10, 2020
Submitted: December 7, 2020
Operation: Air carrier
Aircraft: N8329B
Make and model: Boeing 7378H4
Aircraft serial: 37006
Aircraft time: 26,638 hours, 11,989 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Part number: 147A56765
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 INTERCOASTAL BS 947& 4 LBL 31 AT FASTENER HOLE (UNDERSIDE). REMOVED DAMAGED INTERCOASTAL, PER SRM 51-40-02. DRILLED UP REPLACEMENT INTERCOASTAL, PER SRM 51-40-05. INSTALLED NEW REPLACEMENT INTERCOASTAL (P/N 147A5676-5) PER SRM 51-40-02.

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