SDR IPXA201910027445

Service difficulty report · Intercostal · Doug MD11F

Difficulty date: September 25, 2019
Submitted: October 2, 2019
Operation: Air carrier
Aircraft: N274UP
Make and model: Doug MD11F
Aircraft serial: 48575
Aircraft time: 70,903 hours, 13,760 cycles
System (JASC): 5420 · Nacelle/Pylon Miscellaneous Structure
Part: Intercostal
Part number: AJC75825
Condition: Cracked
Location: Nr 2 Pylon
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

INSPECTION TYPE:4C, LOWER PYLON CARRY THRU REAR SPAR INTERCOSTAL IS CRACKED AT STA. YID=375, XID=-7.1 AND ZID=65.REPAIRED CRACKED LOWER PYLON CARRY THRU REAR SPAR INTERCOSTAL AT STA. YID=375, XID=-7.1 AND ZID=65 IAW SRM 55-30-02 REPAIR 7 FIG. 204. (MAJOR)

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