Service difficulty report · None · Boeing 73771B

Difficulty date
August 27, 2022
Submitted
September 15, 2022
Operation
Air carrier
Aircraft
N7852A
Make and model
Boeing 73771B
Aircraft serial
29371
Aircraft time
45,535 hours, 28,586 cycles
Part
None
Part number
146A750125
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 CARGO TRACK-TIE BS794 PLUS 11INCH RBL13 WL159 AT AFT CARGO COMPARTMENT 2022-452190 / [01] TOOL USED DIGITAL CALIPER P/N: 500-196-30; S/N: A21033526; DUE DATE : 18-OCT-22;[02] REPAIRED CARGO TRACK-TIE LOCATED ON RBL 13 WL 159 BTW BS 747 TO BS 887 IAW B737-700 SRM 53-00-53-2R-3 REAPIR 3 PARAGRAPH 4 ALTERNATIVE 1; ALTERNATIVE 3 AND DRAWING 145A7500 REV: B. MATERIAL USED: CHANNEL EXTRUDED P/N: BAC1509-10068 P/O: 2022 152241; EXTRUSION P/N: BAC1520-1397 T76511 P/O: 2022 136434. SEE INDIVIDUAL SIGNOFFS BELOW;[03] CERTIFIED RII MAJOR REPAIR PERFORMED. <BR>SEE INDIVIDUAL SIGNOFFS BELOW.

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