Service difficulty report · Stiffener · Boeing 75721B

Difficulty date
June 18, 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
Stiffener
Part number
271N61442
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

LT KEEL BEAM STIFFENER BRACKET FOUND CORRODED AT STA 967, LBL 8. EVALUATE AND REPAIR. CORRODED LT KEELBEAM STIFFENER BRACKET AT STA 967, LBL 8 REMOVED AND REPLACED IAW SRM 51-40-02 REV. 96. STIFFENER BRACKET FABRICATED IAW PL 2171N6144 SHT. 2 OF 5 AND MFG DIMENSIONAL DWG SHT 1. PART MARKED IDENTIFIED AS FX 271N6144-2 IAW GMM 7-0-1001. REPAIR IS CLASSIFIED AS MINOR IAW GMM 6-2-100 CRITERIA.

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