Service difficulty report · Intercostal · Boeing 75721B

Difficulty date
November 25, 2009
Submitted
December 1, 2009
Operation
Air carrier
Aircraft
N934FD
Make and model
Boeing 75721B
Aircraft serial
24331
Aircraft time
50,153 hours, 32,684 cycles
Part
Intercostal
Part number
146N852215
Condition
Corroded
Location
Zone 100
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

AFT CARGO COMPARTMENT NR 2 DOOR SILL INTERCOSTAL CORRODED AT STA 1389, RBL 24. EVALUATE AND RECTIFY. UPPER CHORD AND WEB AT AFT CARGO COMPARTMENT NR2 DOOR SILL INTERCOSTAL AT STA 1389, RBL 24 CARRIED OUT AS SRM 51-40-02 REV 98. WEB FABRICATED IAW DWG 146N8522 SHT 6 REV E AND PL 146N8522 REV AH. WEB PART MARKED AS FX 146N8522-15 IAW GMM 7-0-1001. CHROMIC ACID ANODIZING CARRIED OUT IAW EA F-5100-132608 ITEM 34, REPAIR IS CLASSIFIED AS MAJOR REPAIR GMM 6-2-100 CRITERIA.

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