Service difficulty report · Nut Plate · Boeing 757231

Difficulty date
December 1, 2025
Submitted
December 2, 2025
Operation
Air carrier
Aircraft
N727TW
Make and model
Boeing 757231
Aircraft serial
30340
Aircraft time
88,886 hours, 21,824 cycles
Part
Nut Plate
Condition
Corroded
Location
Zone 200
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

CORROSION ON THE NUTPLATES AND THE INTERCOSTAL PANAL, FOR THE FLOOR SUPPORT FOR THE ALC FLOOR, AT BS 1330, RBL11. TREATED AND PRIMED REWORK AREA IAW AMM 51-21-04 AND 51-21- 14 AND REINSTALLED AND REMOVED NP'S IAW SRM 51-40-02 PARA 4. (1330742)