Service difficulty report · Cargo Track · Boeing 73771B

Difficulty date
October 21, 2022
Submitted
November 14, 2022
Operation
Air carrier
Aircraft
N7854B
Make and model
Boeing 73771B
Aircraft serial
29372
Aircraft time
45,663 hours, 30,470 cycles
Part
Cargo Track
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

CORROSION ON CARGO TRACK IN AFT CARGO BAY, BS 767+6, LBL3. OUT OF LIMITS IAW SRM 53-00-53-1A-2; PARA 4 A, (2), (A), FIG. 103. REMOVED DAMAGED AREA IAW SRM 53-00-53-2R-2; PAR. 4. D. L=3.25' X W=0.90'. RECEIVED MACHINED REPAIR ANGLE. FABRICATED A NEW REPAIR ANGLE IAW SRM 53-00-53-2R-2, FIG. 203, TABLE 205, ITEM 6, ALTERNATIVE 5, REPAIR 2. LOCATED AND DRILLED IAW SRM 51-40-0500G-0, FIG 2 & SRM 53-00-53-2R-2, FIG 203, PARA. 4, ALTERNATIVE 5, REPAIR 2. DETAIL F. APPLIED CHEMICAL CONVERSION COATING IAW SOPM 20-43-03, APPLIED CHEMICAL CONVERSION ON AREA IAW SOPM 20-43-03 & APPLIED PRIMER SOPM 20-41-02. INSTALLED REPAIR ANGLE IAW SRM 53-00-53-2R-2, FIG 203, PARA 4D, ALTERNATIVE 5, REPAIR 2, DETAIL F.

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