Service difficulty report · Structure · Boeing 76734AF

Difficulty date
March 19, 2012
Submitted
March 28, 2012
Operation
Air carrier
Aircraft
N317UP
Make and model
Boeing 76734AF
Aircraft serial
27745
Aircraft time
41,512 hours, 12,886 cycles
Part
Structure
Part number
148T214020
Condition
Cracked
Location
Bs 1809 Bulkhead
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

INSPECTION TYPE: C, BS 1809.5 BULKHEAD FWD HORIZONTAL INNER CHORD RT 1EA FASTENER HOLE FOUND CRACKED. CHORD AT APPROX WL 257 & RBL28 AREA IS REPAIRED IAW SRM 53-80-08-2R10, FIG 201, REV 52, ORI MATL BAC1506-2466-7075T73511, CRACK LENGTH 0.5",TRIM OUT AREA 1.1"X1.375". CATEGORY B MAJOR REPAIR WITH MATL 7075-0-0090" & 7075-0-0100" REPAIR ANGLES, 7075T6-0190" FILLER,CHORD REPAIR 15.125" SUPP INSP REQ WITHIN 6000 FLI CYC IN SRM 53-80-08-2R10, FIG 202, SHT 1 & 2.

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