SDR SWAA2020102621582

Service difficulty report · Floor Support · Boeing 7377H4

Difficulty date: October 7, 2020
Submitted: October 26, 2020
Operation: Air carrier
Aircraft: N205WN
Make and model: Boeing 7377H4
Aircraft serial: 34010
Aircraft time: 54,001 hours, 32,013 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Condition: Corroded
Location: Aft Cargo
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 INTERCOSTAL AT AFT CARGO BAY BS 787-BS 793 RBL 23.5 WL 157. DAMAGE EVALUATION ON ACB INTERCOSTAL BS 787-793 RBL 23.5 WL 157 WAS FOUND TO BE OUT OF LIMITS DUE TO PROXIMITY TO HOLES, PER SRM 53-60-15. REMOVED AND INSTALLED NEW ACB INTERCOSTAL BS 787-793 RBL 235 WL 157, PER DWG146A8320 AND SRM 51-40-02. 87713U 14OCT20.

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