Service difficulty report · Stringer · Boeing 7272Q9

Difficulty date
June 17, 2007
Submitted
June 17, 2007
Operation
Air carrier
Aircraft
N740DH
Make and model
Boeing 7272Q9
Aircraft serial
21930
Aircraft time
47,830 hours, 38,338 cycles
Part
Stringer
Condition
Corroded
Location
Fuselage
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

DURING C CHECK, NOSE SECTION STR 24 LT BS305 SHOWS CORROSION SEEN FROM LT TRUNNION ACCESS AREA. CUT-OUT DAMAGED SECTION OF STRINGER DIM 6 5/8" LENGTH, FABBED REPAIR FILLER FROM BAC1498-137 PO NR 4496178 DIM 6 5/8" REPAIR U CHANNNEL FROM .050 PO NR 9004670 DIM 13" LENGTH AND REPAIR J ANGLES 2EA FROM 7075-T6 .050" PO NR 9004670 DIM 13"LENGTH IAW B727 SRM 53-10-3 FIG1 AND 53-10-2 FIGURE 9. TREATED AND PRIMED REPAIRED PARTS AT NOSE SECTION STRINGER 24 LT BS 305 IAW B727 SRM 53-10-3 FIG 1 AND 51-30-2.

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