Service difficulty report · Floorboard · Boeing 757222

Difficulty date
October 25, 2020
Submitted
October 27, 2020
Operation
Air carrier
Aircraft
N784FD
Make and model
Boeing 757222
Aircraft serial
26681
Aircraft time
73,429 hours, 28,623 cycles
Part
Floorboard
Condition
Corroded
Location
Main Cabin
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

MAIN CABIN FLOOR BOARD STRUCTURE IS CORRODED AT 2 FASTENER HOLES BS 1688.5-BS 1695 RBL 56. REMOVED 3 EA NUTPLATES. BLENDED AREA FREE OF CORROSION. ORIG MATERIAL .071 REMOVED .008 REMAINING .063 WITHIN LIMITS, IAW B757 SRM 53-60-15 AND 51-10-02. ALODINED AND PRIMED AREA, IAW B757 SRM 51-20-01. REINSTALLED 3 EA NUTPLATES AND APPLIED CPC TO AREA, IAW B757 SRM 51-10-02 & AMM 5105-01.