SDR UIEA2021041600911

Service difficulty report · Floorbeam · Boeing 76731K

Difficulty date: April 23, 2021
Submitted: April 27, 2021
Operation: Air carrier
Aircraft: N1489A
Make and model: Boeing 76731K
Aircraft serial: 27206
Aircraft time: 109,229 hours, 21,828 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Part number: 143T82368
Condition: Corroded
Location: Bs 560
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

FWD CARGO LOWER DOOR CUTOUT FLOOR BEAM T-CHORD CORROSION AT STA 560+10(<DIV>REMOVED CORROSION AT FWD CARGO STA 560+10 FLOOR BEAM T-CHORD. ORIG. MAT. WAS .100 REMAINING MAT. IS .055 FOUND TO BE OUT OF LIMITS. REMOVED,LOCATED,DRILLED,AND INSTALLED NEW T-CHORD PN:143T8236-8 PO:FS2103388 IAW B767 SRM 51-40-02,51-40-05,51-10-02,AMM 51-24-21,51-24-22,DWG143T8201</DIV>)

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