SDR SWAA2022031201669

Service difficulty report · Strap · Boeing 73776N

Difficulty date: July 12, 2019
Submitted: March 14, 2022
Operation: Air carrier
Aircraft: N7811F
Make and model: Boeing 73776N
Aircraft serial: 28654
Aircraft time: 48,447 hours, 28,800 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Strap
Condition: Corroded
Location: Aft Cargo Bay
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 TENSION STRAP AROUND FASTENER HOLE AT AFT CARGO BAY BS804 RBL19 WL160. / CORROSION ON TENSION STRAP WAS FOUND TO BE OUT OF LIMITS DUE TO CORROSION DISTANCE FROM FASTENERS HOLES PER SRM 53-60-15-1A-1 FIG 103 DETAIL D; REMOVED ACB TENSION STRAP BS775-BS862; RBL19; WL160 PER SRM 51-40-02-0G; INSTALLED NEW TENSION STRAP BS775-BS862 RBL19; WL160 PER SRM 51-40-02-0G-0; DWG 146A8120; DWG 146A0081; DWG 146A8340 93114U 30JUL19

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