Service difficulty report · Angle · Boeing 7378H4

Difficulty date
August 2, 2020
Submitted
August 18, 2020
Operation
Air carrier
Aircraft
N8646B
Make and model
Boeing 7378H4
Aircraft serial
36935
Aircraft time
21,285 hours, 9,355 cycles
Part
Angle
Part number
143A7501187
Condition
Corroded
Location
Bs 500e-500i
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

FWD CARGO COMP.LH Z-ANGLE CORROSION AROUND FASTNER HOLES STA 500E-500I LBL25 WL156 / REMOVED CORROSION AT FWD CARGO COMP. L/H Z-ANGLE STA 500E TO 500I LBL 25 IAW B737 SRM 51-10-02-0G-0 ITEM 15. ORIGINAL 'T' .040 REMINING .036 LOSS .004 AT BETWEEN 500I TO 500H FOUND TO BE WITHIN LIMITS IAW B737 SRM 53-00-53-1A-2. TREATED AND PRIME AREAS IAW B737 SRM 51-20-01-0G-0 AND AMM 51-21-72-370-804. STA 500E - 500H ORIGINAL 'T' .040 REMAIN .028 LOSS .012 FOUND TO BE OUT OF LIMITS IAW B737 SRM 53-00-53-1A-2. BETWEEN STA 500E - 500H REPAIR WAS ACCOMPLISHED ON W/O 4235091. P/N 143A7501-187

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