Service difficulty report · Intercostal · Boeing 7272Q9

Difficulty date
July 19, 2007
Submitted
July 19, 2007
Operation
Air carrier
Aircraft
N741DH
Make and model
Boeing 7272Q9
Aircraft serial
21931
Aircraft time
48,407 hours, 38,367 cycles
Part
Intercostal
Condition
Dented
Location
Bs 950a-950b
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

AFT PIT LT 950A-950B AT STR-25L AND 24L INTERCOSTAL WEB ARE DENTED AT TOP AREA. FOUND BOTH INTERCOSTAL WEBS (STR 24L AND 25L) CRACKED AT DENTED AREA IAW B727 SRM 51-10-1. STOP DRILLED CRACKS (0.0250" DIAMETER) IAW B727 SRM 51-10-1. FABRICATED 2EA ANGLE REPAIRS FROM 2024-T3 0.050" PO NR 9002463 (DIM 4 BY 2.5) IAW B727 SRM 53-10-2 FIG 5 AND 51-40-3 FIG 1. TREATED AND PRIMED AREA AND ANGLES IAW B727 SRM 51-10-2 AND INSTALLED REPAIR ANGLES AT AFT PIT LT BS 950A-950B AT STRS 24L AND 25L INTERCOSTAL WEBS TOP AFT AREA IAW B727 SRM 51-40-3 FIG 1 AND 51-30-2.

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