Service difficulty report · Skin · Boeing 7373Q8

Difficulty date
September 18, 1999
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N17386
Make and model
Boeing 7373Q8
Aircraft serial
26321
Part
Skin
Condition
Cracked
Location
Bs 726.75
Stage of operation
IN
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

INSPECTION FOUND THREE 2 CRACKS IN LOWER KEEL BEAM SKIN PANEL AT BS 726.75, LBL 6 TO RBL 6. THE CRACKS WERE STOP DRILLED AND REPAIRED IAW SRM 53-60-12, FIGURE 202 AND ECRA 5330-02861. A DIP WAS ISSUED TO REINSPECT BLIND FASTENERS EVERY 3,000 FLIGHT CYCLES AND ACCOMPLISH A PERMANENT REPAIR NO LATER THAN 12/31/01 OR 20,000 CYCLES, WHICHEVER OCCURS FIRST.

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