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SDR FDEA2020082621983

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Service difficulty report · Floorbeam · Boeing 757222

FAA SDR system

Difficulty date
August 22, 2020
Submitted
August 27, 2020
Operation
Air carrier
Aircraft
N796FD
Make and model
Boeing 757222
Aircraft serial
26710
Aircraft time
70,973 hours, 26,707 cycles
System (JASC)
5315 · Fuselage Main, Floor Beam
Part
Floorbeam
Condition
Corroded
Location
Bs 1681
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

FLOOR BEAM NUTPLATE IS CORRODED BS 1681-RBL47. REMOVED NUTPLATE BRACKET IAW B757 SRM 51-40-02. MAT ID 7075-T6 ALUMINIUM SHEET PO NR 964704.1, IAW BOEING PL 146N5693 REV C AND BOEING DWG 146N5693 REV B. FABRICATED NUTPLATE STRIP IAW BOEING DWG 146N5693 REV B. APPLIED ALODINE, PRIME AND PAINT IAW B757 SRM 51-20-01-0G. INSTALLED NUTPLATE STRIP IAW B757 SRM 51-40-02. PART MARKED IAW GMM 07-0-1000 STEP 7B. INSTALLED NUTPLATE STRIP IAW BOEING DWG # 146N5300 REV C AND B757 SRM 51-40-02-0G AND SRM 53-60-51-2R.