Service difficulty report · Structure · Boeing 7572Q8

Difficulty date
November 8, 2018
Submitted
November 9, 2018
Operation
Air carrier
Aircraft
N703TW
Make and model
Boeing 7572Q8
Aircraft serial
27620
Aircraft time
81,488 hours, 21,714 cycles
Part
Structure
Condition
Corroded
Location
Bs 1510
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

(AIRCRAFT 6802, L/P 0818227) INITIAL INSPECTION: CORROSION ON PREVIOUS REPAIRS ON STRINGERS RBL/LBL 2.90, 7.55 AND 10.45, STA 1510 AT AFT CARGO COMPARTMENT FLOOR STRUCTURE. (CCT). SUMMARY : OF NRC 00126 PREVIOUS REPAIRS DOUBLERS ON STRINGERS RBL 7.55 AND 10.45, STA 1510 AT AFT CARGO COMPARTMENT FLOOR STRUCTURE, ALSO LBL 2.90 , 7.55 WERE REPLACED PER B757-200 SRM 53-00-53 REPAIR 1. FIGURE 201 BUT PREVIOUS DOUBLER REPAIR STA 1510 RBL 2.90 WAS REPLACED PER ER/A 332525-14MA REV. C. REPAIR DOUBLER ON LBL 10.45, STA 1510 WAS CLEANED PER PS 900-1-2-1 N.01 AND RE-INSPECTED PER B757-200 SRM 51-10-02 PAR. 15 A 5A AND NOT CORROSION WAS FOUND.

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