Service difficulty report · Angle · Boeing 7377H4

Difficulty date
October 1, 2021
Submitted
November 17, 2021
Operation
Air carrier
Aircraft
N774SW
Make and model
Boeing 7377H4
Aircraft serial
27882
Aircraft time
69,284 hours, 41,071 cycles
Part
Angle
Condition
Corroded
Location
Aft Cargo Bay
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 BILGE AREA; FLOOR-PANEL SPLICE AT STA#772 CORROSION. REMOVED CORROSION AFT CARGO BILGE AREA FLOOR PANEL SPLICE AT STA772IAW B737 SRM51-10-02-0G-0. VERIFIED 1 PERFORMED UT THICKNESS INSP. ON REWORKED AREA @ AFT CARGO BILGE AREA FLOOR-PANEL SPLICE @ STA 772 IAW B737 NDT PART 4 51-00-00 PROC. 3. MIN THICKNESS .028'. EVALUATED REWORKED AREA ORG MAT 0.070 MAT REMAINING 0.028 MAT LOST 0.042 FOUND TO BE OUT OF LIMITS IAW B 737-7 SRM 53-00-53-1A-2 RECEIVED NEW TEE ANGLE PART #146A9401-4 TO BE INSTALLED ON WORK CARD #TTG8Q004ECQV.

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