Service difficulty report · Frame · Boeing 7272Q9

Difficulty date
June 6, 2007
Submitted
June 18, 2007
Operation
Air carrier
Aircraft
N740DH
Make and model
Boeing 7272Q9
Aircraft serial
21930
Aircraft time
47,830 hours, 38,338 cycles
Part
Frame
Condition
Corroded
Location
Bs 950d
Stage of operation
IN
How discovered
V
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 CARGO BS 950D BETWEEN STR27L AND STR 29R RT FWD SIDE OF FRAME HAS FLANGE WITH CORROSION SEVERAL PLACES. REMOVED CORROSION AT FRAME BS 950D BETWEEN STR29R AND 28R ORIGINAL MAT .071" MAT LOSS .036" MAT REMAINING .035" FOUND OUT OF LIMITS IAW B727 SRM 53-10-1 FIG 1 AND 53-10-2 FIG 5. CUT OUT DAMAGED AREA APPROX DIM 6" BY 2" AT FRAME 950D BETWEEN STR 29R TRU 28R IAW B727 SRM 53-10-4 FIG 15. FAB SHEAR TIE REPAIR FROM P/N 7075T6 .080" PO NR 9004670 APPROX DIM 6" BY 2" IAW B727 SRM 53-10-4 FIG 15 AND 51-20-1 FIG 7. INSTALLED SHEAR TIE REPAIR AT FRAME BS 950D BETWEEN STR 29R AND 28R IAW B727 SRM 53-10-4 FIG 15 AND 51-30-2.

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