Service difficulty report · Cusp Web · Boeing 757231

Difficulty date
October 18, 2017
Submitted
October 20, 2017
Operation
Air carrier
Aircraft
N722TW
Make and model
Boeing 757231
Aircraft serial
29385
Aircraft time
64,869 hours, 17,048 cycles
Part
Cusp Web
Condition
Corroded
Location
Bs 1349
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

AFT CARGO BAY BS 1349 RT LOWER CUSP WEB HAS CORROSION. REMOVED THE CORROSION AND EVALUATED THE CUSP WEB, FOUND OUT OF ALLOWABLE LIMITS IAW SRM 53-60-13. CUT OUT THE DAMAGED SECTION AND REPAIRED IAW SRM 51-70-13 FIG 1.