Service difficulty report · Duct · Boeing 7272Q9

Difficulty date
June 3, 2005
Submitted
June 29, 2005
Operation
Air carrier
Aircraft
N741DH
Make and model
Boeing 7272Q9
Aircraft serial
21931
Aircraft time
46,665 hours, 37,160 cycles
Part
Duct
Condition
Defective
Location
Nr 2 Intake
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

REPAIR OF NR 2 ENG S-DUCT INNER SKIN AREA. CUT OUT 5 EA HAT CHANNEL SECTION ON OUTER RING OF THE S-DUCT FOR ACCESS TO THE 5 REPAIRS WITH BLIND FASTENERS FROM BS 1223-1275 AND REPLACED WITH SOLID FASTENERS IAW B727 SRM 51-30-2 FIG 7. FABRICATED HAT CHANNEL REPAIRS MAT'L 7075-T6 .050 PO 9002126 FOR BS 1275 2 EA 9.5 X 4.5 INCH BS 1265 2 EA 8.5 X 4.5 INCH BS 1255 2 EA 8.5 X 4.375 INCH BS 1243 2 EA 9.5 X 4.5 INCH AND 1223 2 EA 8.5 X 4.5 INCH BL 0.0 IAW B727 SRM 54-10-3 FIG 10. TREATED AND PRIMED ALL REPAIR ZEE ANGLES IAW B727 SRM 51-10-2. INSTALLED ALL REPAIR ZEE ANGLES IAW B727 SRM 54-10-3 FIG 10.

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