SDR DLM90080256

Service difficulty report · Structure · Doug MD9030

Difficulty date: February 22, 2008
Submitted: February 27, 2008
Operation: Air carrier
Aircraft: N911DA
Make and model: Doug MD9030
Aircraft serial: 53391
Aircraft time: 33,888 hours, 18,071 cycles
System (JASC): 5510 · Horizontal Stabilizer Structure
Part: Structure
Part number: 59404851
Condition: Corroded
Location: Horizontal Stab
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

DURING CURRENT HMV, CORROSION WAS FOUND IN THE HORIZONTAL STABILILZER CENTER SECTION HINGE BORES, BOTH LT AND RT. SUBJECT CORROSION WAS REMOVED BY SPOTFACING AND OVERSIZING THE BORES BEYOND THE SRM ALLOWABLE LIMITS. AS SUCH, BOEING WAS CONTACTED FOR APPROVAL OF REPAIR, AND IS DOCUMENTED IN ER/A 466670-14.

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