Service difficulty report · Fitting · Boeing 75721B

Difficulty date
June 9, 2009
Submitted
June 18, 2009
Operation
Air carrier
Aircraft
N933FD
Make and model
Boeing 75721B
Aircraft serial
24330
Aircraft time
52,447 hours, 30,243 cycles
Part
Fitting
Part number
144N8140Y45
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

KEEL BEAM FITTING AT STA 995 HAS INTERGRANULAR CORROSION AT BL 0 INCH. CORROSION FOUND EXCEEDED SRM ALLOWABLE DAMAGE LIMITS. REMOVED AND REPLACED KEEL BEAM FITTING IAW SRM 51-40-02 REV. 97. REPAIR IS CLASSIFIED AS MINOR IAW GMM 6-2-100 CRITERIA.

More about the Boeing 757-21B