Service difficulty report · Stiffener · Boeing 757236

Difficulty date
September 26, 2014
Submitted
October 6, 2014
Operation
Air carrier
Aircraft
N977FD
Make and model
Boeing 757236
Aircraft serial
24118
Aircraft time
46,394 hours, 20,892 cycles
Part
Stiffener
Part number
141N99518
Condition
Corroded
Location
Bs 365
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

RIGHT TUNNEL AREA AT BS 365 NLG WW WALL STIFFENER HAS CORROSION. REMOVED CORROSION IAW SRM 51-10-02. CHECK LIMIT ORIGINAL MATERIAL .120 MATERIAL LOSS .039. FOUND OUT OF LIMITS IAW SRM 53-10-14 FIG 101 DETAIL II. REMOVED AND REPLACED THE STIFFENER IAW SRM 51-40-02 AND DWG 141N9951. MAJOR REPAIR.