Service difficulty report · Frame · Boeing 7377H4

Difficulty date
September 17, 2021
Submitted
November 3, 2021
Operation
Air carrier
Aircraft
N793SA
Make and model
Boeing 7377H4
Aircraft serial
27888
Aircraft time
67,300 hours, 39,722 cycles
Part
Frame
Condition
Corroded
Location
Fuselage
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 WET AREA AT STA. 1006 UNDER PANEL 242VF HAS CORROSION ON FRAME. REMOVED CORROSION IAW SRM 51-10-02-0G-0. UT THICKNESS INSP. IAW NDT PART 4 51-00-00 PROCEDURE 3. MIN. THICKNESS 0.079'. ORIGINAL MAT. 0.080''. MAT REMOVED 0.001' MAT REMAINING 0.079' FOUND WITHIN LIMITS IAW SRM 53-70-51-1A-1, & DWG 147A5733. TREATED AND PRIMED AREA IAW AMM 51-21-72-37-804 AND AMM 51-21-41-370-802.

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