SDR USAASB01222

Service difficulty report · Transmitter · Boeing 737301

Difficulty date: August 4, 2001
Submitted: October 9, 2001
Operation: Air carrier
Aircraft: N351US
Make and model: Boeing 737301
Aircraft serial: 23554
System (JASC): 2751 · Trailing Flap Position Indicating System
Part: Transmitter
Part number: 1817389
Condition: Faulty
Location: T/E Flap
Stage of operation: AP
How discovered: O
Nature of condition: N
Precautionary procedure: O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

ORD - FLT 537 - A TRAILING EDGE FLAP ASYMMETRY OCCURRED ON APPROACH TO ORD FROM CLT. LEFT FLAP INDICATED 1 UNIT WHILE RIGHT FLAP INDICATED 1.5 UNITS. CREW DECLARED AN EMERGENCY, ACCOMPLISHED QUICK REF HANDBOOK PROCEDURES AND COMPLETED A FLAPS 1 LANDING WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE LEFT FLAP POSITION TRANSMITTER PER MM 27-58-12. OPERATIONAL CHECK GOOD. (M)