SDR DHL2007741536

Service difficulty report · Intercostal · Boeing 7272Q9

Difficulty date: August 8, 2007
Submitted: August 10, 2007
Operation: Air carrier
Aircraft: N741DH
Make and model: Boeing 7272Q9
Aircraft serial: 21931
Aircraft time: 48,407 hours, 38,367 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Part number: 69441771
Condition: Corroded
Location: Bs 950
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

SFT PIT STRINGER 30 BETWEEN BS 950+10" AND 950A, IS CORRODED. REMOVED "T" CHORD (INTERCOSTAL), CORROSION ON CHORD EXCEEDED LIMITS PER B727 SRM 53-10-1 FIG 1. LOCATED, DRILLED, TREATED, PRIMED, AND INSTALLED NEW INTERCOSTAL "T" CHORD P/N 69-44177-1 AT BS 950 BETWEEN STR 29L AND 29R, PER B727 SRM 51-30-5, 51-10-1, 51-10-2, AND 51-30-2.

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