Service difficulty report · Frame · Boeing 737301

Difficulty date
March 16, 2015
Submitted
April 24, 2015
Operation
Air carrier
Aircraft
N360WA
Make and model
Boeing 737301
Aircraft serial
23553
Aircraft time
54,330 hours, 40,265 cycles
Part
Frame
Part number
6517685
Condition
Gouged
Location
Bs 348
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

AFT FRAME, BS 348, OF THE L1 ORIFICE GOUGED. ASSESSED AND FOUND TO BE BEYOND LIMITS. ORIGINAL THICKNESS 0.080", REMAINING THICKNESS 0.043". MIN ALLOWABLE THICKNESS 0.072". DURING INSPECTION FOUND THE AFT FRAME, BS348, OF THE L1 ORIFICE GOUGED. ASSESSED AND FOUND TO BE BEYOND LIMITS. ORIGINAL THICKNESS 0.080", REMAINING THICKNESS 0.043". MIN ALLOWABLE THICKNESS 0.072". REPLACED FRAME WITH NEW. SRM 53-00-07. REF DWG 65-17685, REV G. SRM 51-40-02, REV 105. REF MCO 3044, WO 1350549 FOR ASSESSMENT. REF KFC MCO 3044, WO 1352835 FOR REPLACEMENT.