Service difficulty report · Stringer · Boeing 7272Q9

Difficulty date
June 16, 2007
Submitted
June 16, 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 REF N/R 053895, NOSE SECTION STR 24L BS305 SHOWS CORROSION SEEN FROM LT TRUNNION ACCESS AREA. ACTION CUT-OUT DAMAGED SECTION OF STRINGER DIM 6 3/8" LENGTH, FABRICATED REPAIR FILLER FROM BAC 1498-137 PO 4496178 DIM 6 5/8 REPAIR U CHANNEL FROM BAC1493-412 PO NR 7191256 DIM 13"LENGTH AND REPAIR J ANGLES 2EA FROM 7075-T6 .050 PO NR 9004670 DIM NR 9004670 DIM 13" LENGTH IAW B727 SRM 53-10-3 FIG 1 AND 53-10-2 FIG 9. TREATED AND PRIMED REPAIR PARTS IAW B727 SRM 51-10-2 AND INSTALLED REPAIR PARTS AT NOSE SECTION STRINGER 24LT BS 305 IAW B727 SRM 53-10-3 FIG1 AND 51-30-2.

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