SDR DALA2016013100772

Service difficulty report · Cusp Web · Doug MD88

Difficulty date: January 30, 2016
Submitted: February 1, 2016
Operation: Air carrier
Aircraft: N990DL
Make and model: Doug MD88
Aircraft serial: 53342
Aircraft time: 63,496 hours, 45,933 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Cusp Web
Condition: Corroded
Location: Bs 636-684
Stage of operation: IN
How discovered: 9
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

CORROSION ON RT CUSP WEB UPPER AND LOWER SURFACE BETWEEN X=-54 TO X=-60 FROM BS 636 TO 639 AND 682 TO 684. CUSP WEB IN STA 636 TO 639 WAS REPAIRED IAW SRM 53-05, FIG 131A-1. CUSP WEB IN STA 682 TU 684 WAS REPAIRED IAW SRM 53-05, FIG 131A-21.

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