Service difficulty report · Structure · Boeing 757224

Difficulty date
September 8, 2021
Submitted
September 10, 2021
Operation
Air carrier
Aircraft
N17122
Make and model
Boeing 757224
Aircraft serial
27564
Aircraft time
87,627 hours, 21,288 cycles
Part
Structure
Part number
148N21231
Condition
Corroded
Location
Bs 1862 Bulkhead
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

(B757-53-3-0591) THERE IS CORROSION ON THE UPPER CHORD, THAT CON NECTS THE SHELF TO THE FWD SIDE OF THE 1862.70 BULKHEAD, LOCATED ABOVE THE ELEVATOR MECHANISM, VIEWED SITTING ON TOP OF THE HOR. STAB. CENTER BOX, LOOKING AFT, FROM RBL8 TO RBL22 REMOVED CORROSION, REPAIRED AREA IAW AMES DOCUMENT 47477REA02 AT TACHED TO ECRA 5383-01003. WORK PERFORMED BY V929527 AND V921207 . PLANNING TO CONTACT EG ON OR BEFORE REACHING 49000 TOTAL AIRCRAF T FLIGHT CYCLES REGARDING UPDATED REPAIR INSTUCTIONS FOR ECRA 53 83-01003. PLANNING TO CONTACT EG ON OR BEFORE REACHING 49000 TOTAL AIRCRAF T FLIGHT CYCLES REGARDING UPDATED REPAIR INSTUCTIONS FOR ECRA 5383-01003. 27712 FLIGHT CYCLES FROM REPAIR TOMC-APPROVAL FROM SC1ELBYC COMMENT QC REVIEWED RECORDS UPDATE QC REVIEWED T/A: 49,000 TAFC..SN