SDR FDEA201907011450

Service difficulty report · Skin · Boeing 75728A

Difficulty date: July 1, 2019
Submitted: July 9, 2019
Operation: Air carrier
Aircraft: N970FD
Make and model: Boeing 75728A
Aircraft serial: 28166
Aircraft time: 65,850 hours, 22,585 cycles
System (JASC): 5330 · Fuselage Main, Plate/Skin
Part: Skin
Part number: 148N371088
Condition: Corroded
Location: Fuselage
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

CORROSION APU RT ACCESS DOOR FUSELAGE CUTOUT STRUCTURE FWD END, APPROX. BS.1887.5, INNER SURFACE, JUST AFT OF THE APU FIREWALL. EVAL. CORROSION DAMAGE WITH 100% MATERIAL LOSS OUT OF LIMITS, FABRICATED AND INSTALLED REPAIR DOUBLER AND TRIPLER IAW SRM 53-80-01-2R REPAIR 3 ON FUSELAGE SKIN AT FWD END OF APU RT ACCESS DOOR CUT OUT BS.1887.5.

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