Service difficulty report · Web · Boeing 7272Q9

Difficulty date
July 11, 2007
Submitted
July 18, 2007
Operation
Air carrier
Aircraft
N741DH
Make and model
Boeing 7272Q9
Aircraft serial
21931
Aircraft time
48,407 hours, 38,367 cycles
Part
Web
Condition
Corroded
Location
Bs 304-312
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

NOSE LANDING GEAR LT WEB HAS CORROSION SPOTS BETWEEN BS 304 AND BS 312 (WHERE NLG TRUNNION FITTING WAS REMOVED). REMOVED CORROSION IAW B727 SRM 51-10-6, FOUND OUT OF LIMITS IAW B727 SRM 53-10-1 FIGURE 1. CUT OUT DAMAGED AREA (DIM. 2.75" BY 2.25"). FABRICATED REPAIR DOUBLER FROM 7075-T6 0.090" PO NR 9005216 (DIM 7" BY 4.75") AND REPAIR FILLER FROM 7075-T6 0.080" PO NR 9004670 (DIM 2.75" BY 2.25") IAW B727 53-10-2 FIGURE 2 AND 51-40-2 FIGURE 1. TREATED AND PRIMED PARTS AND AREA IAW B727 SRM 51-10-2 AND INSTALLED REPAIR PARTS AT NLG LT WEB IAW B727 SRM 51-40-2 FIGURE 1 AND 51-30-2.

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